Correlation analysis of occupational stress and quality of life of coal miners of different types of work and length of service

Abstract

Abstract: Objective To investigate the occupational stress and quality of life of coal miners,analyze the correlation between occupational stress and quality of life of coal miners of different types of work and length of service. Methods Using a cluster sampling method,810 coal miners from 12 coal mines in Shaanxi Province from June 2015 to June 2021 were selected as the study subjects by team as a unit to investigate the basic situation of coal miners. The occupational stress inventory revised edition （OSI-R） and 36-item short form health survey（SF-36） were used to evaluate the occupational stress and quality of life of coal miners. Results The overall occupational stress scores of underground workers（coal mining,excavation,underground auxiliary workers） were higher than that of surface workers（ground screening，ground auxiliary workers）（all P<0.05）.Among underground workers，excavation workers scored the highest.Among surface workers，the score of ground screening workerswas relatively high.The differences of score of occupational role questionnaire（ORQ），personal strain questionnaire（PSQ） and personal resources questionnaire（PRQ） among coal mine workers with different length of servicewere statistically significant（all P<0.05）.Among them，the score of ORQ[（161.26±24.03）points] and PSQ[（99.80±28.26）points] among workers with ≥10 years of length of service was the highest，while the score of PRQ[（129.06±20.78）points] among workers with 1?<3 years of length of service was the highest. The differences of score of physical health components（PHC），mental health components（MHC） and overall quality of life（QOL） among coal mine workers with different type of work and length of service were statistically significant（all P<0.05）. Among them，the ground auxiliary workers and workers with 1?<3 years of length of service scored higher. The ORQ，PSQ and each dimension were negatively correlated with PHC，MHC，and QOL（all P<0.01），while PRQ and each dimension were positively correlated with PHC，MHC，and QOL（all P<0.01）. Conclusion The underground operation has a significant impact on occupational stress of coal miners，the level of occupational stress increases with the length of service，and underground operation has a significant impact on the quality of life of coal miners.

Key words: Coal miners, Occupational stress, Quality of life, Correlation

CLC Number:

R181.3⁺1

JI Zhigang, LI Tianlai, XU Yi, WANG Tian. Correlation analysis of occupational stress and quality of life of coal miners of different types of work and length of service. [J]OCCUPATION AND HEALTH, 2024, 40(2): 145-149.

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