Abstract:

Objective To understand the awareness of health knowledge about air pollution among primary school students in Jiangbei New Area of Nanjing City，carry out health promotion intervention，and evaluate the effect of the intervention，so as to provide reference for improving the health level of primary school students. Methods From December 2023 to February 2024，the multistage cluster sampling method was used to select two primary schools that had not conducted air pollution health promotion. A baseline survey on the air pollution health knowledge for primary school students in grades 3-5 was conducted，while the health promotion interventions were carried out，and the effectiveness was evaluated. Results This study surveyed a total of 654 students，including 275 in grade 3，218 in grade 4，161 in grade 5. Before the intervention，the overall awareness rate，and the awareness rates of basic knowledge，basic attitudes，and basic behaviors and skills among primary school students in grades 3-5 were 56.42%（369/654），42.05%（275/654），64.53%（422/654） and 47.55%（311/654），respectively. After the intervention，these rates were 93.43%（611/654），62.84%（411/654），92.35%（604/654） and 90.37%（591/654），respectively. Among students of grade 4，the difference in the awareness rate of basic attitudes was not statistically significant between before and after the intervention（P>0.05）. Among students of other grades，there were statistically significant differences in the awareness rates between before and after the intervention（all P<0.05），with post-intervention scores being higher than pre-intervention scores. There were positive correlations between the awareness rates of basic knowledge，basic attitudes，and basic behaviors and skills（all P<0.05）. The grade level，father's education level，mother's education level，average annual family income，and the frequency of participation in health education on air pollution were positively correlated with the awareness rate of air pollution health knowledge among primary school students（all P<0.05）. The mediating effect of basic attitudes contributed 2.18% to the total effect. Conclusions The awareness rate of air pollution health knowledge among primary school students in Jiangbei New Area of Nanjing City is relatively high，with higher rates after the intervention compared to before. The influencing factors include grade level，parents' education levels，average annual family income，and the frequency of participating in health education on air pollution.

Key words: Primary school students, Air pollution health knowledge, Basic knowledge, Basic attitudes, Basic behaviors, Health promotion intervention, Awareness rate