Abstract
Limited studies examined the interaction effects between exposure to ambient PM2.5 and economic development on the settlement intention of floating population. We used binary logistic model to examine the association of PM2.5, per capita GDP (PGDP), PM2.5 \(\times\) PGDP on the settlement intention. Additive interaction term of PM2.5 and PGDP level was used to investigate their interactive effects. Overall, each one grade increment in annual average PM2.5 was associated with decreased probability of settlement intention (OR = 0.847, 95%CI: 0.811–0.885). The interaction effect between PM2.5 and PGDP on settlement intention was significant (OR = 1.168, 95%CI: 1.142–1.194). The stratified analysis showed PM2.5 exhibits lower settlement intention in the aged 55 years or above, engaged in low-skilled works, and living in the western China. This study indicates that PM2.5-exposed will decrease the settlement intention of floating population. High economic development level can weaken the relationship between PM2.5 and settlement intention. Policymakers should balance the socio-economic development and environmental health and focus on vulnerable population.
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Acknowledgements
We thank the China Air Quality Monitoring Platform and Migration Population Service Center for providing the PM2.5 and the floating population data. We thank Dr. Rongbin Xu of Monash University for his suggestions.
Funding
GW was supported by Shandong Province social science planning research project (20BGLJ01).
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Luyang Wang, Yang Zhao: data curation, formal analysis, methodology, writing—original draft. Yukun Shi, Haiyun Liu, Hongyu Li: methodology, writing—review and editing. Junyan Liu, Haotian Chen: methodology, writing—review and editing. Baoshun Yang, Haifeng Shan: data curation, software. Shijia Yuan, Wenhui Gao: data curation, writing—review and editing. Guangcheng Wang: data curation, writing—review and editing. Chunlei Han: conceptualization, methodology, writing—review and editing.
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Wang, L., Zhao, Y., Shi, Y. et al. The interaction effects between exposure to ambient PM2.5 and economic development on the settlement intention for floating population in China. Environ Sci Pollut Res 30, 67217–67226 (2023). https://doi.org/10.1007/s11356-023-27043-9
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DOI: https://doi.org/10.1007/s11356-023-27043-9