Evaluation on intervention effect of air pollution and health protection among pupils in Hubei Province,2023
Objective To quantitatively evaluate the intervention effect of air pollution and health protection among pupils in Hubei Province,and to provide references for improving the quality of intervention and formulating relevant government policies.Methods Third to fifth grade pupils from a primary school in Shennongjia Forestry District served as the control group,and no intervention measures were conducted.Third to fifth grade pupils from a primary school in Wuhan City were considered as the intervention group,and health intervention measures like face-to-face teaching were performed.Using questionnaires A and B regarding investigating the intervention effect of air pollution and health protection among pupils,questionnaire surveys were conducted in the intervention group and the control group before and after the intervention.Difference-in-differences(DID)model was used to evaluate the differences in the scores and the net effect of the intervention before and after the surveys.Results The intervention group and control group surveyed 601 and 877 pupils respectively.Before the intervention,the total score of the questionnaires and the scores of the three sub-items,namely,basic concepts,basic knowledge and basic behavior & skills in the intervention group were 78.93,21.63,27.01 and 30.28 respectively,while the corresponding scores of the control group were 79.44,21.29,25.91 and 32.24 respectively.After the intervention,the scores of the intervention group and the control group showed significant increases compared with those before the intervention(all P＜0.05).The analysis results based on DID model revealed that the net effect of the intervention measures was 1.58(95CI％:0.14-3.01),showing a statistically significant difference in the intervention measures(P＜0.05).Conclusion Performing the intervention on air pollution and health protection among pupils can significantly improve their awareness level of knowledge about air pollution and health protection.The results suggest that it is necessary to strengthen the publicity and education on knowledge about air pollution and health protection among pupils and evaluation on the intervention effect.
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