Abstract:
Objective To evaluate the effectiveness of intervention on climate change health literacy among residents in Chengxi and Chengzhong districts of Xining, China.
Methods Using a stratified random sampling method, two communities in Xining, Qinghai Province, were selected as the intervention group and the control group, respectively from July 2024 to January 2025. Permanent residents aged 18 and above were randomly selected from each group as research subjects and surveyed through questionnaires (148 people in the intervention group and 158 people in the control group). During the survey period, climate change health intervention services were provided to the intervention group.A difference-in-differences model was used to assess the net effect of the intervention.
Results The control group (89 females and 69 males) and the intervention group (107 females and 41 males) had an average age of 39±1 years. After the intervention, the intervention group showed significant improvements of 35.86% (t=5.74, P < 0.001), 10.34% (t=4.92, P < 0.001), and 13.40% (t=4.26, P < 0.001) in basic knowledge and concepts, basic skills, and total scores compared to the control group, respectively. However, there was no significant change in the lifestyle and behavior dimension (t=1.02, P>0.05), indicating a gap between knowledge and practice. Multiple linear regression analysis revealed that age, education level, annual household income, and whether one works outdoors were the main factors influencing the effectiveness of the health literacy intervention.
Conclusion Comprehensive health education can effectively improve residents' knowledge, concepts, and skills regarding climate change and health. However, the effects on behavioral and lifestyle changes remain limited. Future interventions should adopt comprehensive strategies combining theoretical education with skill training, social support, and environmental support to bridge the gap between knowledge and practice.
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