OCCUPATION AND HEALTH

Analysis on current situation of chemical poisons and emergency rescue in an aircraft maintenance warehouse in Guangzhou City

FAN Xiaomeng, XU Shaoxiong, FENG Yuchao, ZHANG Hai, ZHOU Liping, WANG Zhi

2024, 40(6): 721-726.

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Objective To understand the current situation of chemical poisons and emergency rescue facilities in an aircraft maintenance warehouse in Guangzhou City,and put forward improvement suggestions to effectively prevent occupational hazards. Methods In September 2022,during the normal production stage of the enterprise,the current situation of chemical poisons and emergency rescue facilities in an aircraft maintenance warehouse in Guangzhou City was investigated and analyzed by occupational health investigation,occupational health testing,field experiment and other methods. Results The concentration of toluene in each production workshop of the aircraft maintenance depot was <0.16-1.20 mg/m³,the concentration of xylene was 0.26-1.20 mg/m³,the concentration of ethylbenzene was 0.09-1.60 mg/m³,and the concentration of isopropanol was <0.13-18.00 mg/m³. The detection results of the concentration of other chemical toxins were all below the 10% occupational exposure limit（OELs）. Harmful factors that may lead to occupational disease hazards included chemical irritants,sulfuric acid,phosphoric acid,potassium hydroxide,hydrogen sulfide and ammonia. Possible occupational hazard accidents included eye,skin irritation,chemical skin burns,chemical eye burns,acute hydrogen sulfide poisoning,and acute ammonia poisoning. Conclusions The current situation of chemical poisons and emergency rescue in this aircraft maintenance warehouse in Guangzhou City is not optimistic. In response to possible occupational hazards and accidents,enterprises should continue to improve and maintain emergency rescue facilities,strengthen emergency drills,improve emergency management ability,and effectively prevent employees from occupational injuries.

Study on correlation between sleep status during long voyage and constitution of Traditional Chinese Medicine of officers and soldiers in a naval vessel unit

QI Xiuzhong

2024, 40(6): 727-731.

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Objective To investigate the common sleep problems and influencing factors during long voyage of officers and soldiers in a naval vessel unit,and explore its correlation with the constitution of Traditional Chinese Medicine（TCM）. Methods Totally 740 naval officers and soldiers were selected by random cluster sampling method. Their sleep status and TCM constitution were assessed by the Pittsburgh sleep quality index（PSQI） and TCM constitution scale. Totally 630 valid PSQI scales were collected,with an effective rate of 85.1%. And 738 valid TCM constitution scales were collected,with an effective rate of 99.7%. Results Before the voyage,15 days and 30 days after voyage,the incidence of sleep disorders in 630 navy servicemen was 40.2%,49.4% and 54.6%,respectively. There were statistically significant differences in the total score of PSQI and factor score of sleep quality,sleep latency,sleep duration,sleep efficiency and daytime dysfunction between navy servicemen and the domestic norm（all P<0.01）. 53.8% of 738 naval officers and soldiers were regarded as lopsided constitution,including Yin-deficiency（12.2%）,Yang-deficiency（10.7%） and Dampness-heat（9.1%）. The sleep problems of navy servicemen during long voyage were correlated with TCM constitution,positions and the time from the previous long voyage mission. The Phlegm-dampness,Yin-deficiency,Blood-stasis and Dampness-heat were independent risk factors for the sleep disorders（all P<0.01）,and played a major role in different stages during the long voyage respectively. Conclusions The naval officers and soldiers with sleep disorders during long voyage account the high proportion,whose overall health level need to be improved. Their sleep status is correlated with TCM constitution. It is suggested that traditional Chinese medicine "preventive treatment of disease" can play an important role in health maintenance of navy servicemen through conditioning the lopsided constitution.

Whole-genome sequencing and virulence characteristics of Klebsiella variicola

SHEN Lanfeng, HU Renjing, WAN Lin, HUANG Jun

2024, 40(6): 732-738.

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Objective To perform whole-genome sequencing of Klebsiella variicola and virulence experiments of Galleria mellonella,in order to provide reference for the study of molecular virulence characteristics of Klebsiella variicola. Methods A total of three strains of Klebsiella variicola isolated from patients blood in the Affiliated Central Hospital of Jiangnan University from January to December 2021 were collected,to perform the species identification and whole-genome sequencing. The difference of lgLD₅₀ of Galleria mellonella infection model was used to analyze the virulence of Klebsiella variicola. Results The three strains of Klebsiella variicola could be identified by Vitek MS V3.2,and the characteristic peak was found at 8 250 m/z in all the mass spectra. The string test showed that the wxkv2055 was positive. The dug susceptibility test showed that wxkv2055 and wxkv2031 were only resistant to ampicillin and sensitive to other antibiotics,while wxkv2096 was resistant to ampicillin,ciprofloxacin,levofloxacin,amikacin,gentamicin,and trimethoprim/sulfamethoxazole. The whole genome sequencing showed that the GC contents of the three strains were 56.8%-57.2%,the capsular serotypes included KL14,KL16,KL34,the O antigen typing included O5,O3/O3a,and the MLST typing included 1169,595,and 718. The wxkv2055 carries a 23.81 kb IncHI1B virulence plasmid. The virulence model analysis of Galleria mellonella showed that the lgLD₅₀ of wxkv2055 was significantly lower than that of wxkv2031 and wxkv2096（both P<0.05）,the lgLD₅₀ of wxkv2055 was not statistically different from that of the control hypervirulent bacteria NTUH-K2044（P>0.05）. Conclusions The Klebsiella variicola wxkv2055 isolated from blood carries virulence plasmid. The Galleria mellonella virulence model indicated that the virulence of wxkv2055 is higher. The molecular epidemiology of three strains of Klebsiella variicola is different from Klebsiella pneumoniae. At present,the grassroots laboratories need to improve the ability to identify Klebsiella variicola,conduct in-depth research on the pathogenicity and strain characteristics of Klebsiella variicola,and provide guidance for clinical diagnosis and treatment.

Correlative analysis of negative tendency of self-ability,psychological capital and job burnout of nurses in cardiology department

GAO Wenjuan, LIU Yan, ZHANG Hairong

2024, 40(6): 739-743.

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Objective To explore the correlation between the negative tendency of self-ability,psychological capital and job burnout of nurses in cardiology department. Methods From November to December 2022,187 nurses in the department of cardiology in four grade-A tertiary hospitals in Xi'an City were selected by simple random sampling method,and investigated with the general situation scale,self-ability negative tendency scale,psychological capital scale and job burnout scale. And the data were analyzed. Results The score of negative tendency of self-ability of nurses in cardiology department was （36.86±8.72）points,the score of psychological capital was （82.35±12.61）points,and the score of job burnout was （62.16±11.28）points. There were statistically significant differences in the score of negative tendency of self-ability among cardiology nurses of different age,working years,professional title,marital status,and monthly income（all P<0.05）. There were statistically significant differences in the score of psychological capital among cardiology nurses of different age,working years,professional title,marital status,and monthly income（all P<0.05）. There were statistically significant differences in the score of job burnout among cardiology nurses of different age,working years,professional title,monthly income,and night shift（all P<0.05）. The negative tendency of self-ability of nurses in cardiology department was positively correlated with job burnout（r=0.593,P<0.01）,while negatively correlated with psychological capital （r=-0.602,P<0.01）,and the psychological capital was negatively correlated with job burnout（r=-0.538,P<0.01）. The psychological capital had a mediating effect between the negative tendency of self-ability and job burnout of cardiology nurses,the mediating effect was 0.225,and the mediating effect accounted for 41.06% of the total effect. Conclusion There is a close relationship between the negative tendency of self-ability and job burnout of nurses in cardiology department,and the psychological capital plays a part of intermediary role between the negative tendency of self-ability and job burnout.

Correlation analysis of stakeholder stress,psychological capital,and job burnout among ultrasound medical nurses

WANG Li, MA Hui, ZHENG Minjuan

2024, 40(6): 744-748.

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Objective To explore the correlation of stakeholder pressure,psychological capital,and job burnout among ultrasound medical nurses. Methods From January to February 2023,a convenience sampling method was used to select 174 nurses from the ultrasound medical department of eight comprehensive hospitals in Xi'an City as the survey subjects. The survey was conducted using the general situation scale,stakeholder stress scale,psychological capital scale,and job burnout scale,and the data was analyzed. Results The scores of stakeholder pressure,psychological capital,and job burnout among nurses in the ultrasound medical department of eight comprehensive hospitals in Xi'an City were （29.64±5.24）,（88.54±16.46） and （58.74±9.87）points,respectively. There were statistically significant differences in stakeholder pressure among ultrasound medical nurses of different age,professional title,working years,monthly income,and marital status（all P<0.05）. There were statistically significant differences in psychological capital of ultrasound medical nurses of different age,educational background,professional title,and years of service（all P<0.05）. There were statistically significant differences in job burnout among ultrasound medical nurses of different age professional title,working years,and monthly income（all P<0.05）. The stakeholder pressure was positively correlated with job burnout（r=0.576,P<0.01）,and negatively correlated with psychological capital（r=-0.528,P<0.01）. The psychological capital was negatively correlated with job burnout（r=-0.584,P<0.01）. The psychological capital played a partial mediating role between stakeholder stress and job burnout,and the mesomeric effect was 0.281,accounting for 36.83% of the total effect. Conclusion The level of stakeholder stress among ultrasound medical nurses in eight comprehensive hospitals in Xi'an City is relatively high,and it is an important influencing factor for nurses' job burnout,the psychological capital plays a mediating role in the impact of stakeholder stress on job burnout of ultrasound medical nurse.

Evaluation of occupational hazard status of concrete station in Shaanxi Province

ZHOU Jianpeng, SUN Bochen

2024, 40(6): 749-751.

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Objective To understand the status quo of occupational hazards in a commercial concrete station in Xianyang City of Shaanxi Province,and to provide reference for reducing the incidence of occupational diseases. Methods The status quo of a commercial concrete station in Xianyang City of Shaanxi Province was evaluated in September 2020,and the data were collected by field investigation,inspection list,detection and inspection,and occupational health examination. Results The main occupational hazard factors in the construction project were chemical factors（other dust and silica dust） and physical factors（noise）. The maximum time-weighted average concentration of workers' exposure to dust was 2.2 mg/m³,which was the forklift driver at the loading position of the silo. The maximum short-term exposure concentration was 4.7mg/m³,and the maximum 8 h equivalent sound level intensity of workers’ exposure was 85.4 dB（A）,which was the forklift driver at the loading position of the silo. Conclusions The construction project of a commercial concrete station in Shaanxi Province belongs to the category of serious occupational hazards,and the forklift driver is the key control point of this project.In the future evaluation and supervision process,it is suggested to establish a comprehensive file for forklift drivers of similar commercial concrete station bin loading operation position,unified management by region,which can strengthen the effectiveness and pertinence of occupational health management.

Investigation on quality of life and influencing factors of pneumoconiosis patients in Wulong District of Chongqing City

LUO Jie, XIA Li

2024, 40(6): 752-756.

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Objective To investigate the quality of life of patients with pneumoconiosis and its influencing factors in Wulong District of Chongqing City,so as to provide reference for improving the quality of life of pneumoconiosis patients,as well as pneumoconiosis treatment and rehabilitation,and provide reference opinions for the development of pneumoconiosis rehabilitation stations. Methods From January 2021 to December 2022,152 patients who met the inclusion criteria and received rehabilitation treatment in the Pneumoconiosis Rehabilitation Station of Baima Central Health Center in Wulong District of Chongqing City were selected as the research objects. The questionnaire investigation was conducted by the self-made general demographic data questionnaire and the World Health Organization quality of life-brief（WHOQOL-BREF）. The quality of life of pneumoconiosis patients was evaluated from physiological,psychological,social and environmental dimensions,and the relevant influencing factors were analyzed. Results A total of 47（30.9%） of the 152 subjects felt their life quality was good or very good,and 36（23.7%） were satisfied or very satisfied with their health status. There were statistically significant differences between the scores of patients with pneumoconiosis in physiological,psychological,social and environmental fields and corresponding norms（all P<0.05）. The degree of self-care,supine position or not when sleeping,per capita monthly income,degree of family harmony and degree of feeling respected were correlated with one or more areas of quality of life,and the differences in scores were statistically significant（all P<0.05）. Conclusion The quality of life of patients with pneumoconiosis in Wulong District of Chongqing City is poor,and it is necessary to not only pay attention to the impact of the disease itself on the quality of life,but also pay more attention to social factors and external factors after the disease,so as to improve the quality of life of patients and accelerate the development of pneumoconiosis rehabilitation stations.

Pollution status and health risk assessment of cadmium and inorganic arsenic in shrimps

HUANG Han, XIAO Wenlin, LIAO Kai, HAN Jian, WU Mingming, YUN Fen

2024, 40(6): 757-760.

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Objective To monitor the contents of heavy metals cadmium and inorganic arsenic in dried shrimps sold in Hainan Province and carry out health risk assessment. Methods From May to July 2021,a total of 60 shrimp samples were collected from farmers' markets in six cities and counties of Hainan Province（Danzhou City,Lingao County,Ledong County,Wenchang City,Sanya City,Qionghai City）.The samples were analyzed by inductively coupled plasma mass spectrometry,liquid chromatography atomic fluorescence spectrometry,and evaluated by national limit standard method,single factor pollution index method,Nemero pollution index method,and health risk index. Results The detection rate of cadmium and arsenic in 60 samples of dried shrimps was 100%,of which the over standard rate of cadmium was 93.3%,and no inorganic arsenic was detected. Conclusions Through the sampling inspection of shrimps from farmers' markets in six cities and counties in Hainan Province,it is found that cadmium pollution content in shrimps is high,which is harmful to human health,and should be paid great attention to.It is suggested that relevant departments should update the limit standards of relevant polluting elements in time to ensure the safety of seafood food.

UPLC-MS/MS and solid phase extraction determination of 11 quinolones,4 tetracyclines and chloramphenicol residues in chicken liver and gizzard

LI Kun, ZHAO Danying, LI Ye, GUO Aihua, WEN Ya

2024, 40(6): 761-766.

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Objective To establish efficient and convenient detection methods for detecting 11 kinds of quinolones,4 kinds of tetracycline and chloramphenicol residues in chicken liver and gizzard. Methods After processing chicken gizzards and liver through extraction,purification and solid phase extraction,UPLC-MS/MS was used to separate and quantitatively determine the residues of veterinary drugs. Results The linear range of residues of 16 veterinary drugs was 1.0-40 ng/mL（chloramphenicol 0.1-4.0 ng/mL）,the correlation coefficient was greater than 0.999 0 except norfloxacin,and the average recovery rate was 61.6%-107.1% determined at different concentrations,and the detection limit of norfloxacin, ciprofloxacin, dafloxacin, tetracycline, doxycycline, oxytetracycline, chlortetracycline, doxycycline, and chlortetracycline was 0.6 μg/kg, and the limit of quantification was 1.8 μg/kg. The detection limit of difloxacin, pefloxacin, ofloxacin, enrofloxacin, lomefloxacin, salafloxacin, oxaquinic acid, and flumequine was 0.2 μg/kg, and the limit of quantification was 0.6 μg/kg. The detection limit of chloramphenicol was 0.02 μg/kg, and the limit of quantification was 0.06 μg/kg. Conclusion Using this method to detect the chicken gizzards and liver samples collected in 2022,the liner range, detection limit, precision and accuracy all meet the detection requirements. This method improves the detection efficiency,is suitable for veterinary drug screening and detection of a large number of samples of chicken liver and gizzard on the market,and is suitable as a rapid screening method for food safety risk monitoring.

Correlation between work engagement and quality of life of medical staff in Gannan area of Jiangxi Province

XIA Yu, YAO Yuan, WU Shaohua, JIN Tongyang

2024, 40(6): 767-771.

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Objective To understand the status of work engagement and quality of life of medical staff,explore the relationship between the two. Methods From May to June 2022,a cluster convenient sampling was used to investigate 852 medical workers in the Gannan area with using the Utrecht work engagement scale（UWES） and the World Health Organization quality of life scale-brief form questionnaire（WHOQOL-BREF）. Results The total scores of work engagement and quality of life in respondents were （69.50±15.05） and （56.74±9.80）points respectively. There were statistically significant differences in work engagement scores among medical personnel of different gender,administrative position,practicing qualification,working years,willingness to participation,average daily working hours,and participation times（all P<0.05）. There were statistically significant differences in quality of life scores among medical personnel of monthly income,practicing qualification,working years,willingness to participation,duty times,average daily working hours,and participation times（all P<0.05）. There was a positive correlation between work engagement and quality of life（P<0.05）,but there were situations that the quality of life for those with low work engagement was high,and the quality of life for those with moderate work engagement was low. Conclusion The medical staff in Gannan area of Jiangxi Province are actively engaged in work,and the score of the physiological dimension of quality of life is not high,so they should be reasonably arranged for work and rest,and given timely incentives and guarantees to improve the quality of life.

Influence of pediatric nurses' sense of professional mission and sense of decent work on job immersion in six tertiary hospitals in Sichuan Province

ZHANG Yan, ZHANG Xin

2024, 40(6): 772-776.

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Objective To investigate the current situation of pediatric nurses' sense of decent work,professional mission and work immersion in tertiary hospitals,and explore the relationship between them. Methods From July to August 2022,321 pediatric nurses from 6 tertiary hospitals in Sichuan Province were conveniently selected as the survey objects.The general information questionnaire,the sense of decent work scale,the sense of professional mission scale and the work immersion scale were used to investigate,and AMOS 23.0 was used to analyze the intermediary benefits. Results The total score of pediatric nurses' sense of decent work was （54.26±12.98）points,the total score of professional mission was （34.17±7.05）points,and the total score of work immersion was （101.93±13.91）points. There were statistically significant differences in the scores of sense of decent work among pediatric nurses of different ages,professional titles,personal monthly income and staffing（all P<0.05）. There were statistically significant differences in the scores of pediatric nurses' sense of mission among different ages,personal monthly income,educational level and professional titles（all P<0.05）. There were statistically significant differences in job immersion scores of pediatric nurses of different ages,titles,educational levels and staffing（all P<0.05）.The scores of professional mission and sense of decent work were positively correlated with job immersion（all P<0.05）.Sense of professional mission had a partial mediating effect on sense of decent work and work immersion,and the mediating effect accounted for 15.0% of the total effect. Conclusions The work immersion score of pediatric nurses in Sichuan Province is at the medium level,and the sense of professional mission plays a partial intermediary role between the sense of decent work and the sense of professional mission.Improving the sense of decent work of pediatric nurses can enhance their sense of professional mission,so as to further promote the level of work immersion.

Analysis on epidemiological characteristics of other infectious diarrhea in Wuzhou City from 2011-2021

QIN Minlan, PAN Yanlan, GAN Wuming

2024, 40(6): 777-781.

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Objective To analyze the epidemic characteristics of other infectious diarrhea in Wuzhou City from 2011-2021,and provide reference for formulating scientific prevention and control strategies. Methods Descriptive analysis of the epidemic characteristics of reported cases of other infectious diarrhea in Wuzhou City from 2011-2021 was conducted,and the change trend of incidence rate was analyzed by Joinpoint regression model. Results A total of 53 118 cases of other infectious diarrhea were reported in Wuzhou City from 2011-2021,with an average annual incidence rate of 162.62/100 000.The incidence rate had no inflection point,and showed a monotonous upward trend,and the annual percentage change（APC）=average annual percentage change（AAPC）=23.25%（P<0.01）.The incidence was mainly in summer,autumn,and winter,and mainly in children under 2 years old,accounting for 44.55% of the total cases. The proportion of scattered children in the total number of reported cases had been decreasing year by year,while kindergartens and students had been increasing year by year. There were 3 434 laboratory confirmed cases,accounting for 6.46% of the total reported cases. Among the three types of reporting units of medical institutions,health centers,and maternal and child health centers,the proportion of laboratory confirmed cases reported by maternal and child health centers was the highest,and the difference in laboratory confirmed cases reported by the three types of reporting units was statistically significant（χ²=893.88,P<0.01）. Conclusions Targeted measures should be taken to address key populations and regions in Wuzhou City to improve the diagnostic rate of pathogens.

Analysis on role pathway of structural empowerment and job-esteem on job embeddedness among nurses in military hospitals

SUN Shuai, CHANG Yang, TANG Guichun, LI Li

2024, 40(6): 782-786.

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Objective To understand the relationship between structural empowerment,job-esteem and job embeddedness of nurses in military hospitals,and analyze the role of job-esteem among structural empowerment and job embeddedness. Methods From May to September 2022,a total of 271 nurses were selected from military hospitals in Beijing City to conduct an electronic questionnaire survey using general information questionnaire,conditions of work effectiveness questionnaire,job-esteem scale for nurses in hospital and global job embeddedness items. And the data were analyzed. Results The score of structural empowerment among nurses in military hospitals was （53.35±7.05）points. The score of job-esteem was （99.06±8.02）points. The score of job embeddedness was （21.74±5.56）points. Structural empowerment,job-esteem and job embeddedness were positively correlated（all P<0.01）. Structural equation model showed that structural empowerment and job-esteem had a direct positive effect on job embeddedness（β=0.872,0.493,both P<0.01）,and job-esteem partially mediated the relationship between structural empowerment and job embeddedness,with a mediating effect of 0.430,accounting for 43.43% of the total effect. Conclusion Structural empowerment can not only directly affect job embeddedness of nurses in military hospitals,but also indirectly through job-esteem.

Analysis on effect of areas of worklife on turnover intention among emergency department nurses in 22 tertiary Grade A hospitals in Sichuan Province

ZHOU Xuhua, TONG Jiale, LEI Changbin, WANG Cong, LIU Shanshan, JIANG Yan

2024, 40(6): 787-791.

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Objective To understand the effect of areas of worklife on turnover intention among emergency department nurses in 22 tertiary Grade A hospitals in Sichuan Province,in order to provide new ideas for reducing the turnover rate of nurses in emergency department. Methods From June to July 2022,a total of 308 emergency department nurses from 22 tertiary Grade A hospitals in Sichuan Province were selected as subjects by convenience sampling method. Demographic data questionnaire,areas of worklife scale and turnover intention scale were used for cross-sectional investigation,and the data were analyzed. Results The total scores of areas of worklife and turnover intention of 308 emergency department nurses were （99.69±13.69） and （13.5±33.06）points,respectively. The areas of worklife was negatively correlated with turnover intention（P<0.01）. After controlling for general information,the dimensions of job recognition and fairness in the areas of worklife scale can explain 19.3% of the variation in the turnover intention of emergency department nurses（P<0.01）. Conclusions The dimensions of work recognition and fairness in the areas of worklife scale negatively predicted the turnover intention of nurses in emergency department. Nursing managers should actively pay attention to the job recognition matching degree of nurses in the emergency department and give corresponding support. Meanwhile,they should also pay attention to the fair distribution of organizational resources and protect the reasonable rights and interests of nurses in the emergency department so as to reduce their turnover intention.

Analysis on current status and influencing factors of occupational well-being among junior nurses in three tertiary Grade A hospitals in Nanning City

LIAO Kunfeng, ZHANG Shengjun, YANG Jinpan, YANG Xining, SU Lin, ZENG Qixi

2024, 40(6): 792-795.

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Objective To investigate the current status of occupational well-being of junior nurses in three tertiary Grade A hospitals in Nanning,and analyze its influencing factors. Methods A total of 311 junior nurses from three tertiary Grade A hospitals in Nanning from February to March 2023 were selected as the research objects by convenience sampling method. The general information questionnaire,medical staff occupational well-being scale and Chinese version of caring assessment tool-administration（CAT-admin） were used for investigation. Results The score of occupational well-being of junior nurses in three tertiary Grade A hospitals in Nanning was （61.62±7.46）points,the CAT-admin score was （132.07±15.76）points. The multivariate linear regression analysis results showed that working years,monthly average night shift days（only including large night shifts）,average weekly overtime frequency at work,and CAT-admin score were the influencing factors of occupational well-being（all P<0.05）,which could explain 31.9% of the total variation. Conclusion The occupational well-being of junior nurses in three tertiary Grade A hospitals in Nanning is at a lower-middle level. Nursing managers should pay attention to the psychological status of junior nurses,increase the intensity of care,improve their perception of management care,appropriately reduce their workload,and reasonably arrange shifts to improve their occupational well-being.

Study on correlation between feedback seeking behavior,career success,and resignation intention of surgical nurses in four third Class A hospitals in Sichuan Province

CHEN Ying, LIU Ying

2024, 40(6): 796-801.

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Objective To investigate the status and correlation of feedback seeking behavior,career success and turnover intention of surgical nurses in tertiary hospitals,and to analyze the mediating role of career success in their feedback seeking behavior and turnover intention. Methods A total of 253 surgical nurses from four third Class A hospitals in Sichuan Province were investigated from May to June 2022,using the convenience sampling method and the general information questionnaire,feedback seeking behavior scale,career success scale and turnover intention scale,then the data were analyzed. Results The scores of feedback seeking behavior,career success and turnover intention of surgical nurses in third Class A hospitals were （57.11±9.52）,（36.51±6.48） and（14.84±3.19）points,respectively. Single analysis showed that there were statistically significant differences in the scores of feedback seeking behavior,career success and turnover intention of foreign nurses with different genders,educational levels,employment methods,length of service,professional title,monthly income,health status,weekly overtime hours（all P<0.05）. Correlation analysis showed that feedback seeking behavior was negatively correlated with turnover intention（P<0.05）,positive correlation with career success（P<0.05）. Career success was negatively correlated with turnover intention（P<0.05）. The mediating effect analysis showed that career success had a partial mediating effect between feedback seeking behavior and turnover intention,and the mediating effect was 0.107,accounting for 20.34% of the total effect. Conclusion The turnover intention of surgical nurses in third Class A hospitals is relative high. Feedback seeking behavior and career success have a positive effect on reducing turnover intention. Nursing managers should strengthen the training of nurses' feedback seeking behavior and improve their career success to reduce turnover rate.

Current situation and correlation of psychological contract and occupational deviant behavior of resident physician in public hospitals

SHAO Jie, LIU Junjun

2024, 40(6): 802-805.

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Objective To understand the current level of psychological contracts and occupational deviant behaviors among resident physicians in two tertiary comprehensive hospitals in Yancheng City,and explore the correlation between psychological contracts and occupational deviant behaviors,providing new ideas for hospital managers to develop strategies to correct occupational deviant behaviors. Methods The convenient sampling method was used to select resident physicians from two tertiary general hospitals in Yancheng City from March to May 2023. The questionnaire investigation was conducted by using general information questionnaire,psychological contract scale and workplace deviant behavior scale,and the data were statistically analyzed. Results The psychological contract score of 223 resident physicians in public hospitals was （135.64±22.44）points,and the occupational deviant behavior score was （64.78±13.53）points. The score of psychological contract and scores in all dimensions were negatively correlated with the score of occupational deviant behavior and scores in all dimensions（all P<0.01）. The department,length of service and psychological contract were the main influencing factors of occupational deviant behavior among resident physicians in public hospitals（all P<0.05）. Conclusion The hospital managers need to focus on the occupational deviant behavior of resident physicians,which can be regulated through psychological contracts to enhance their professional beliefs and identification.

Life satisfaction on relationship between resilience and depression in firefighters

WANG Shuxia, CHENG Ke, LU Jinxin

2024, 40(6): 806-809.

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Objective To explore the mediating effect of life satisfaction in the relationship between psychological resilience and depression among firefighters,in order to provide a theoretical basis for increasing the life satisfaction of firefighters,improving their level of psychological resilience and reducing the occurrence of depression,and maintaining the physical and mental health of individuals. Methods Using snowball and cluster sampling methods,464 firefighters from Beijing,Tianjin and Hebei were surveyed from October to November 2022 with the general information questionnaire,Connor-Davidson resilience scale,life satisfaction scale and self-rating depression scale,and AMOS 28.0 was used to analyze the mediating effect of life satisfaction between psychological resilience and depression. Results The 464 firefighters scored （88.95±16.72）points for psychological resilience,（47.36±11.27）points for depression,and （22.25±6.34）points for life satisfaction. The correlation analysis showed that psychological resilience was positively correlated with life satisfaction（r=0.511,P<0.01）,and depression was negatively correlated with both psychological resilience and life satisfaction（r=-0.594,-0.466,both P<0.01）. The analysis of the mediating effect showed that life satisfaction partially mediated between psychological resilience and depression,with a mediating effect of -0.078,accounting for 19.8% of the total effect. Conclusion The psychological resilience of firefighters in Beijing,Tianjin and Hebei can indirectly affect firefighter depression through the mediating effect of life satisfaction.

Path analysis of the influence of disease perception and hope level on fear of disease progression in young and middle-aged patients with type 2 diabetes mellitus

WANG Yongli, YANG Yanting, WANG Lu, GE Yanhong, ZHENG Meijie, SHEN Yongqing

2024, 40(6): 810-816.

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Objective To investigate the current situation of fear disease progression in young and middle-aged patients with type 2 diabetes mellitus（T2 DM） and analyze its influencing factors,exploring the influence and mechanism of disease perception and hope level on fear disease progression. Methods A total of 408 young and middle-aged patients with T2 DM from three grade-A tertiary hospitals in Shijiazhuang were selected by convenience sampling method form June to October 2022. The subjects were investigated with the brief illness perception questionnaire（BIPQ）,fear of progression questionnaire-short form（FoP-Q-SF） and Herth hope index（HHI）. Results The score of fear disease progression,illness perception and hope level of the young and middle-aged patients with T2 DM were （31.29±5.17）,（39.97±6.02） and （34.87±4.29）points,respectively. The fear of disease progression was positively correlated with illness perception（r=0.454,P<0.01） and negatively correlated with hope level（r=-0.526,P<0.01）. The results of multiple regression analysis showed that gender,the frequency of blood glucose monitoring before hospitalization,last glycated hemoglobin,the history of hypoglycemia in the past six months,disease perception and hope level entered the regression equation（F=26.219,P<0.01）,which could explain 38.30% of the fear of disease progression in young and middle-aged T2 DM patients. The path analysis revealed that hope level played a partial mediating effect between disease perception and fear of disease progression,accounting for 47.65% of the total effect. Conclusions The fear of disease progression in young and middle-aged patients with T2 DM is at an above medium level. Disease perception can indirectly affect the fear of disease progression in young and middle-aged patients with T2 DM through hope level. Clinical medical staff can develop targeted intervention measures and health guidance strategies to alleviate their fear of disease progression.

Exposure condition and health risk assessment of three metals and metalloids in drinking water of a city in Northwest China in 2021

PU Dan, ZHANG Ling, LIN Qin, XIA Rongxiang, Zaikeyemu Dilimulati, LI Jie

2024, 40(6): 817-820.

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Objective To master the exposure of three metals and metalloids in drinking water in a city in Northwest China,assess the health risks to human body through drinking water,so as to provide scientific basis for health risk management of drinking water. Methods According to the water supply scope of a centralized water supply project in a city in Northwest China in 2021,114 monitoring points were set up and 114 water samples were collected in the dry season and the wet season respectively for water quality monitoring. The three metals and metalloids in drinking water were evaluated according to the GB 5749-2006 Sanitary Standards for Drinking Water. The health risk assessment method recommended by U.S. Environmental Protection Agency（US EPA） was used for the carcinogenic risk assessment. Results A total of 228 water samples were monitored,and the standard-reaching rate was 100.00%. The median concentrations of the three metals and metallids were As 0.50×10^-5 mg/L,Cd 0.25×10^-5 mg/L,Cr⁶⁺ 2.00×10^-5 mg/L,and the carcinogenic health risk levels were Cr⁶⁺>As>Cd,R^c was 3.77×10^-5. The concentration level and health risk level of As in the dry season were higher than those in the wet season. The concentration level and health risk level of Cr⁶⁺ in the wet season were higher than those in the dry season. The concentration level and health risk level of As and Cr⁶⁺ were secondary water supply tap water>factory water. The concentration level and health risk level of Cd in surface water were higher than those in groundwater. There were no statistically significant differences in the concentration level and health risk level of Cd among different water sample type and water period（all P>0.05）. There were no statistically significant differences in the concentration level and health risk level of As and Cr⁶⁺ among different water sources（all P>0.05）. Conclusions The contents of three metals and metalloids in drinking water in a city in Northwest China is up to standard,and the total carcinogenic risk value is 10^-5 orders of magnitude,which is in the acceptable range. The highest risk of carcinogenic health is Cr⁶⁺,followed by As,suggesting that the city should pay attention to the potential harm of Cr⁶⁺ and As to human health in the future prevention and control of drinking water pollution,and strengthen the monitoring and evaluation of drinking water.

Mediating role of time management disposition between sense of meaning in life and mobile phone dependence of nursing interns in two tertiary Grade A hospitals in Xi'an City

GAO Xueni, YANG Haixia, HAN Hongna, ZHANG Jia, YAO Zhenzhen

2024, 40(6): 821-825.

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Objective To understand the mediating role of time management disposition between nursing interns' sense of meaning in life and mobile phone dependence,and to provide reference for improving the mobile phone dependence of nursing interns. Methods From October 2022 to January 2023,252 nursing interns were selected from two tertiary Grade A hospitals in Xi'an City.They were investigated with the general information questionnaire,the sense of life scale,the mobile phone dependence scale and the time management disposition scale,and the data were analyzed. Results The scores of sense of meaning of life,mobile phone dependence,and time management disposition of nursing interns in two tertiary Grade A hospitals in Xi'an City were （51.38±7.88）,（34.76±9.32）,（154.41±21.41）points,respectively.The sense of meaning of life was negatively correlated with mobile phone dependence（r=-0.196,P<0.01）,and time management disposition was negatively correlated with mobile phone dependence（r=-0.248,P<0.01）.Time management disposition had a complete mediating effect between nursing interns' sense of meaning in life and mobile phone dependence（β=-0.17,P<0.05）,and the mediation effect accounted for 68%. Conclusion Time management disposition is the mediating variable between the sense of meaning of life and mobile phone dependence of nursing interns in two tertiary Grade A hospitals in Xi'an City.Nursing educators should actively carry out relevant training to strengthen the sense of meaning of life and time management ability of nursing interns,so as to improve the mobile phone dependence of nursing interns.

Analysis on situation and influencing factors of trying traditional tobacco products and e-cigarettes among adolescents in Minhang District of Shanghai City

GUO Weiqing, DING Keying, XU Huilin, WANG Jian, LUAN Jing, YANG Qinwen

2024, 40(6): 826-831.

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Objective To understand the situation and influencing factors of adolescents' attempts to use traditional tobacco products and electronic cigarettes in Minhang District of Shanghai City,and provide scientific evidence for adolescent smoking control policies and measures. Methods A multi-stage cluster random sampling method was used to select a total of 729 students from 3 junior high schools and 3 high schools（2 ordinary high schools and 1 vocational high school） in Minhang District of Shanghai City in 2021.The survey was conducted using an online questionnaire. Results The tobacco product attempt rate among adolescents in Minhang District of Shanghai City was 5.49%,and the electronic cigarette attempt rate was 4.39%.Smoking makes young people look more attractive,the difficulty of quitting smoking,the denial that smoking in public places makes people feel comfortable,and seeing someone smoking on public transportation in the past 7 days were the influencing factors for adolescents to try tobacco products（all P<0.05）. School type,whether parents smoke,whether there are people who smoke in their friends,whether smoking makes young people look more attractive,whether teachers smoke on campus during school,and whether they think that second-hand smoke will affect you were the influencing factors for adolescents to use electronic cigarettes（all P<0.05）. Conclusion It is necessary to continue to strengthen the education of the dangers of tobacco and electronic cigarettes among adolescents,attach importance to peer education,continue to vigorously promote smoke-free families and prohibit smoking in public places,and create a good smoke-free environment for adolescents.

CiteSpace visual analysis of mental health research of armed police officers and soldiers based on CNKI

WANG Kai, CHENG Fusheng, GAO Ping, WANG Lixiang, LI Haiyang, LIU Hualei

2024, 40(6): 832-837.

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Objective To understand the current situation,hot spots and development trend of the mental health research of armed police officers and soldiers,provide reference for the future mental health research and related work of armed police officers and soldiers. Methods With the theme of "Armed police" and "psychology",383 journal papers and 103 academic dissertations published by National Knowledge Infrastructure（CNKI） were collected for the bibliometric analysis by CiteSpace visual analysis software. The publications were retrieved from the year 1915 to 2022 with a retrieval deadline of November 10,2022. Results The related research started in 1993 and grew slowly,the number of published papers increased significantly from 2006 to 2014,and then gradually decreased. The journals were mainly military journals,and the degree-granting units were mainly local colleges and universities. The institutions and authors showde some connection but less cooperation. The research hotspots included coping style,recruits,social support,personality,psychological intervention,countermeasures,influencing factors,depression,psychological resilience,psychological stress,job burnout and sleep quality. In recent years,the explosive hot spots were psychological resilience,psychological capital and health care support. Conclusions In recent years,the research on the mental health of armed police officers has gradually decreased,and the research lacks cooperation. In the future,the mental health research of armed police officers and soldiers should be close to the actual situation of the army and focus on preparing for war,strengthen exchanges and cooperation with information technology,and explore other research hotspots to achieve high-quality and sustainable development.

Investigation on satisfaction with current work situation of personnel in disease prevention and control institutions in Guizhou Province

HE Jin, FENG Haizhe, YANG Xing, WANG Huizi, WU Anzhong

2024, 40(6): 838-841.

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Objective To understand the satisfaction with current work situation of personnel in disease prevention and control institutions（hereafter referred to as "CDC personnel"） in Guizhou Province,provide a reference basis for improving the work motivation of CDC personnel in Guizhou Province. Methods Using a self-designed questionnaire,from August to December 2022,a total of 457 CDC workers at the provincial,municipal and county levels in Guizhou Province were collected by stratified cluster sampling method to conduct a self-assessment survey of job status and overall job satisfaction,and the data were analyzed. Results The overall satisfaction score of the current work of CDC personnel in Guizhou Province was （3.69±0.79）points,of which 58.42% were "very satisfied" or "relatively satisfied" and 37.64% were "generally satisfied". The three areas with the lowest satisfaction in the current work situation were career development,salary level and training opportunities,with scores of（2.62±0.97）,（2.75±0.83） and （2.81±1.00）points in order. The three areas with the highest correlation with overall work satisfaction were social recognition,salary level and interpersonal relationship（r>0.4,P<0.01）. The overall work satisfaction of county-level CDC personnel was higher than that of provincial and municipal-level CDC personnel,and those with lower education were relatively less satisfied with obtaining training opportunities（P<0.05）. Conclusion The overall satisfaction of CDC personnel in Guizhou Province is good,but career development is limited,salary satisfaction is low,and training needs are urgent. In the future,it is necessary improve the incentive mechanism of the CDC system,optimize the training environment and career development path of CDC personnel,in order to further enhance their job satisfaction and enthusiasm,and thereby enhance the stability of the CDC team.

Research progress of burnout assessment tools and psychological interventions for nurses

WU Shujun, FENG Weijie

2024, 40(6): 842-846.

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The issue of occupational burnout among nursing staff in China is quite common and a hot research topic in the nursing field.It is particularly necessary to evaluate the occupational burnout of nurses,and appropriate psychological intervention measures can effectively reduce their sense of occupational burnout and promote their physical and mental health.This article provides a review of assessment tools for occupational burnout,research status on nurse occupational burnout,and psychological intervention measures both domestically and internationally,aiming to provide reference for future research on nurse occupational burnout and psychological intervention strategies in China.

Research progress on multi-system health damage of worker by occupational manganese exposure

WU Yunjie, ZHOU Wei, LUO Shuhua, YI Chao

2024, 40(6): 847-850.

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Manganese is a necessary microelement for human growth,development and health maintenance,but long-term occupational exposure would cause adverse health consequences. Many studies have identified the association between manganese exposure and neurological abnormalities,but some new research suggests that manganese exposure may be related to other organ dysfunction. Lung is one of the main organs for manganese absorption,and the liver participates in the process of stable regulation and clearance process through bile. The article reviews the research on the multi-system health damage,exposure biomarkers and cellular molecular mechanisms of occupational manganese exposure,aim at providing a scientific basis for improving the health monitoring system of manganese exposed workers.

Research progress of imaging and AI-assisted diagnosis of pneumoconiosis

WANG Ningning, JIN Yi, WANG Chengxia, LIU Zhen, LIU Xiao, WANG Yanting

2024, 40(6): 851-855.

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Occupational pneumoconiosis is the most serious occupational disease in China.Relevant literature reports that pneumoconiosis accounts for about 80% of all occupational disease reports.According to GBZ 70-2015 "diagnosis of occupational pneumoconiosis",the diagnosis of pneumoconiosis is mainly based on the dust exposure history,occupational health monitoring data and technical quality qualified X-ray posterior anterior chest film,with reference to pneumoconiosis standard film for diagnosis and staging.Chest X-ray is the most studied imaging technology in the diagnosis of pneumoconiosis in the past,and the technology in the early differential diagnosis of pneumoconiosis is relatively backward.With the progress of imaging technology and artificial intelligence technology,pneumoconiosis imaging research is gradually developing towards early and accurate diagnosis.Computed tomography（CT）,artificial intelligence assisted diagnosis,magnetic resonance imaging（MRI）,positron emission tomography X-ray computed tomography（PET-CT） assisted examination methods have become a hot spot in the research of pneumoconiosis assisted diagnosis in recent years.Through consulting and combing the literature,this paper reviews the relevant research content.This paper summarizes the advantages of various examination technologies and the problems existing in their application,and puts forward the possible challenges in the imaging and auxiliary diagnosis of pneumoconiosis in the future,so as to provide reference for the research direction of imaging and auxiliary diagnosis technology of pneumoconiosis in the future.

Research progress on HLA gene polymorphism and immune efficacy and safety of hepatitis B vaccine

WANG Weiping, BAI Yu, FENG Yong, CHENG Wanran, YANG Tian, DENG Pengfei

2024, 40(6): 856-859.

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In recent years,the correlation of human leukocyte antigen（HLA） gene in the immune effect of hepatitis B vaccine has been concerned by many medical experts.This article summarizes the related research of HLA gene in the immune effect of hepatitis B vaccine,discusses the relationship between HLA gene polymorphism and immune response and adverse reactions of hepatitis B vaccine,summarizes the related mechanism of different HLA genes on the immune effect of hepatitis B vaccine,and provides a scientific basis for personalized vaccination of hepatitis B vaccine in different HLA populations.This article reviews the general situation of HLA gene,the response effect of HBV vaccine and its related mechanism.

Research progress on assessment and intervention of loneliness among the elderly in nursing home

ZHOU Feiyang, LONG Keyu, GUO Chunbo, XIE Linlin, YANG Tingting, DENG Lu

2024, 40(6): 860-864.

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The evaluation of loneliness among the elderly in nursing home can timely understand the psychological state of the elderly,which is conducive to formulating intervention programs. This paper reviews the loneliness of the elderly in nursing home at home and abroad,including the major content,application,and limitations of assessment tools and intervention programs. It aims to provide references for the evaluation of loneliness and the formulation of intervention programs for the elderly in the domestic elderly care institutions and to provide a basis for the optimization of psychological services in nursing homes.

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