In this paper, we examine whether outdoor air pollution has a causal effect on body weight.
To address the potential endogeneity, we exploit exogenous variation in PM2.5 concentrations generated
by China’s coal-fired winter heating policy, using regression discontinuity designs to estimate the impact
of winter heating on air pollution and body weight in adults. We find that high outdoor air pollution
exposure increases body mass index and the corresponding risk of obesity with a 1 μg/m3 increase
in annual average PM2.5 concentrations in the past ten years increasing body mass index by 0.014 units
and increasing the rate of adult obesity, by 0.3 percentage points. Our results are robust to using different
specifications. Furthermore, the rising risk of obesity caused by air pollution is mainly through channels
such as increased intake of energy-dense foods and less physical exercise. The findings imply that low
pollution exposure can be an effective way to improve dietary and physical activity patterns and reduce
the risk of becoming overweight.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
DEB P., GALLO W.T., AYYAGARI P., FLETCHER J.M., SINDELAR J.L. The effect of job loss on overweight and drinking. Journal of Health Economics, 30 (2), 317, 2011. https://doi.org/10.1016/j.jhea... PMid:21288586 PMCid:PMC3086369.
FORTIN B., YAZBECK M. Peer effects, fast food consumption and adolescent weight gain. Journal of Health Economics, 42, 125, 2015. https://doi.org/10.1016/j.jhea... PMid:25935739.
ZHANG X., ZHANG X., CHEN X. Happiness in the air: How does a dirty sky affect mental health and subjective well-being? Journal of Environmental Economics and Management, 85, 81, 2017. https://doi.org/10.1016/j.jeem... PMid:29081551 PMCid:PMC5654562.
MCCONNELL R., SHEN E., GILLILAND F.D., JERRETT M., WOLCH J., CHANG C.C., LURMANN F., BERHANE K. A longitudinal cohort study of body mass index and childhood exposure to secondhand tobacco smoke and air pollution. Environmental Health Perspectives, 123 (4), 360, 2015. https://doi.org/10.1289/ehp.13... PMid:25389275 PMCid:PMC4384197.
TAMAYO-ORTIZ M., TÉLLEZ-ROJO M.M., ROTHENBERG S.J., GUTIÉRREZ-AVILA I., JUST A.C., KLOOG I., TEXCALAC-SANGRADOR J.L., ROMERO-MARTINEZ M., BAUTISTA-ARREDONDO L.F., SCHWARTZ J., WRIGHT R.O., RIOJAS-RODRIGUEZ H. Exposure to PM2.5 and obesity prevalence in the Greater Mexico City Area. International Journal of Environmental Research and Public Health, 18 (5), 2021. https://doi.org/10.3390/ijerph... PMid:33652701 PMCid:PMC7956483.
ALTINDAG D.T., BAEK D., MOCAN N. Chinese Yellow Dust and Korean infant health. Social Science & Medicine, 186, 78, 2017. https://doi.org/10.1016/j.socs... PMid:28599141.
DESCHENES O., WANG H., WANG S., ZHANG P. The effect of air pollution on body weight and obesity: Evidence from China. Journal of Development Economics, 145, 102461, 2020. https://doi.org/10.1016/j.jdev....
CAWLEY J. An economy of scales: A selective review of obesity's economic causes, consequences, and solutions. Journal of Health Economics, 43, 244, 2015. https://doi.org/10.1016/j.jhea... PMid:26279519.
NCD Risk Factor Collaboration (NCD-RisC). Rising rural body-mass index is the main driver of the global obesity epidemic in adults. Nature, 569 (7755), 260, 2019.
AKEE R., SIMEONOVA E., COPELAND W., ANGOLD A., COSTELLO E.J. Young adult obesity and household income: Effects of unconditional cash transfers. American Economic Journal: Applied Economics, 5 (2), 1, 2013. https://doi.org/10.1257/app.5.... PMid:24707346 PMCid:PMC3975822.
JO Y. Does the earned income tax credit increase children's weight? Health Economics, 27 (7), 1089, 2018. https://doi.org/10.1002/hec.36... PMid:29665180.
BRUNELLO G., FABBRI D., FORT M. The causal effect of education on body mass: Evidence from Europe. Journal of Labor Economics, 31 (1), 195, 2013. https://doi.org/10.1086/667236.
CHEN L., LIU W. The effect of Internet access on body weight: evidence from China. Journal of Health Economics, 85, 102670, 2022. https://doi.org/10.1016/j.jhea... PMid:36055079.
CARRELL S.E., HOEKSTRA M., WEST J.E. Is poor fitness contagious? Evidence from randomly assigned friends. Journal of Public Economics, 95 (7), 657, 2011. https://doi.org/10.1016/j.jpub....
PONTICIELLO B.G., CAPOZZELLA A., DI GIORGIO V., CASALE T., GIUBILATI R., TOMEI G., TOMEI F., ROSATI M.V., SANCINI A. Overweight and urban pollution: preliminary results. Science of The Total Environment, 518, 61, 2015. https://doi.org/10.1016/j.scit... PMid:25747365.
KIM J.S., ALDERETE T.L., CHEN Z., LURMANN F., RAPPAPORT E., HABRE R., BERHANE K., GILLILAND F.D. Longitudinal associations of in utero and early life near-roadway air pollution with trajectories of childhood BMI. Environmental Health, 17 (1), 64, 2018. https://doi.org/10.1186/s12940... PMid:30213262 PMCid:PMC6137930.
ZHANG X., ZHAO H., CHOW W.H., BIXBY M., DURAND C., MARKHAM C., ZHANG K. Population-Based Study of Traffic-Related Air Pollution and Obesity in Mexican Americans. Obesity (Silver Spring), 28 (2), 412, 2020. https://doi.org/10.1002/oby.22... PMid:31797571.
CURRIE J., ZIVIN J.G., MECKEL K., NEIDELL M., SCHLENKER W. Something in the water: contaminated drinking water and infant health. Canadian Journal of Economics, 46 (3), 791, 2013. https://doi.org/10.1111/caje.1... PMid:27134285 PMCid:PMC4849482.
YANG M., CHOU S.-Y. Impacts of being downwind of a coal-fired power plant on infant health at birth: Evidence from the Precedent-Setting Portland Rule. NBER Working Paper, 21723, 2015. https://doi.org/10.3386/w21723.
ITO K., ZHANG S. Willingness to pay for clean air: evidence from air purifier markets in China. Journal of Political Economy, 128 (5), 1627, 2019. https://doi.org/10.1086/705554.
FAN M., HE G., ZHOU M. The winter choke: Coal-Fired heating, air pollution, and mortality in China. Journal of Health Economics, 71, 102316, 2020. https://doi.org/10.1016/j.jhea... PMid:32179329.
ALMOND D., CHEN Y., GREENSTONE M., LI H. Winter heating or clean air? Unintended impacts of China's Huai river policy. American Economic Review, 99 (2), 184, 2009. https://doi.org/10.1257/aer.99....
CHEN Y., EBENSTEIN A., GREENSTONE M., LI H. Evidence on the impact of sustained exposure to air pollution on life expectancy from China's Huai River policy. Proceedings of the National Academy of Sciences, 110 (32), 12936, 2013. https://doi.org/10.1073/pnas.1... PMid:23836630 PMCid:PMC3740827.
EBENSTEIN A., FAN M., GREENSTONE M., HE G., ZHOU M. New evidence on the impact of sustained exposure to air pollution on life expectancy from China's Huai River Policy. Proceedings of the National Academy of Sciences, 114 (39), 10384, 2017. https://doi.org/10.1073/pnas.1... PMid:28893980 PMCid:PMC5625887.
LI Y., XU S., YIN J., HUANG G. Effect of air pollution on adult chronic diseases: Evidence from a quasi-natural experiment in China. Frontiers in Public Health, 10, 2023. https://doi.org/10.3389/fpubh.... PMid:36711355 PMCid:PMC9880427.
CHU J., LIU H., PNG I.P.L. Nonlabor income and age at marriage: Evidence from China's Heating Policy. Demography, 55 (6), 2345, 2018. https://doi.org/10.1007/s13524... PMid:30484163 PMCid:PMC6290655.
IMBENS G.W., LEMIEUX T. Regression discontinuity designs: a guide to practice. Journal of Econometrics, 142 (2), 615, 2008. https://doi.org/10.1016/j.jeco....
GELMAN A., IMBENS G. Why high-order polynomials should not be used in regression discontinuity designs. Journal of Business & Economic Statistics, 37 (3), 447, 2019. https://doi.org/10.1080/073500....
WANG S.X., ZHAO B., CAI S.Y., KLIMONT Z., NIELSEN C.P., MORIKAWA T., WOO J.H., KIM Y., FU X., XU J.Y., HAO J.M., HE K.B. Emission trends and mitigation options for air pollutants in East Asia. Atmospheric Chemistry and Physics, 14, 6571, 2014. https://doi.org/10.5194/acp-14....
YANG D., YE C., WANG X., LU D., XU J., YANG H. Global distribution and evolvement of urbanization and PM2.5 (1998-2015). Atmospheric Environment, 182, 171, 2018. https://doi.org/10.1016/j.atmo....
CHEN S., OLIVA P., PENG Z. The effect of air pollution on migration: Evidence from China. Journal of Development Economics, 156, 102833, 2022. https://doi.org/10.1016/j.jdev....
CALONICO S., CATTANEO M.D., FARRELL M. On the effect of bias estimation on coverage accuracy in nonparametric inference. Journal of the American Statistical Association, 113, 767, 2018. https://doi.org/10.1080/016214....
ARCEO E., HANNA R., OLIVA P. Does the effect of pollution on infant mortality differ between developing and developed countries? Evidence from Mexico City. The Economic Journal, 126 (591), 257, 2016. https://doi.org/10.1111/ecoj.1....
KNITTEL C.R., MILLER D.L., SANDERS N.J. Caution, drivers! children present: traffic, pollution, and infant health. Review of Economics and Statistics, 98 (2), 350, 2016. https://doi.org/10.1162/REST_a....
SCHLENKER W., WALKER W.R. Airports, air pollution, and contemporaneous health. The Review of Economic Studies, 83 (2), 768, 2016. https://doi.org/10.1093/restud....
ALEXANDER D., SCHWANDT H. The impact of car pollution on infant and child health: evidence from emissions cheating. The Review of Economic Studies, 89 (6), 2872, 2022. https://doi.org/10.1093/restud....
CALONICO S., CATTANEO M., FARRELL M. Optimal bandwidth choice for robust bias corrected inference in regression discontinuity designs. The Econometrics Journal, 23, 192, 2020. https://doi.org/10.1093/ectj/u....
SAHOTA P., RUDOLF M.C., DIXEY R., HILL A.J., BARTH J.H., CADE J. Randomised controlled trial of primary school based intervention to reduce risk factors for obesity. BMJ, 323 (7320), 1029, 2001. https://doi.org/10.1136/bmj.32....
HONISETT S., WOOLCOCK S., PORTER C., HUGHES I. Developing an award program for children's settings to support healthy eating and physical activity and reduce the risk of overweight and obesity. BMC Public Health, 9, 345, 2009. https://doi.org/10.1186/1471-2....
GŁĄBSKA D., GUZEK D., MELLOVÁ B., ZADKA K., ŻYWCZYK K., GUTKOWSKA K. The national after-school athletics program participation as a tool to reduce the risk of obesity in adolescents after one year of intervention: A nationwide study. International Journal of Environmental Research and Public Health, 16 (3), 2019. https://doi.org/10.3390/ijerph....
ZHAO W., ZHAI Y., HU J., WANG J., YANG Z., KONG L., CHEN C. Economic burden of obesity‐related chronic diseases in Mainland China. Obesity Reviews, 27 (9), 62, 2008. https://doi.org/10.1111/j.1467....
MA Q., CAI S., WANG S., ZHAO B., MARTIN R.V., BRAUER M., COHEN A., JIANG J., ZHOU W., HAO J., FROSTAD J., FOROUZANFAR M.H., BURNETT R.T. Impacts of coal burning on ambient PM2.5 pollution in China. Atmospheric Chemistry and Physics, 17, 4477, 2017. https://doi.org/10.5194/acp-17....
Air Pollution Control and Residents' Weight: Empirical Evidence From China's Action Plan Nianyu Du, Lele Liu, Liangqiang Jiang, Shijiu Yin Health Economics
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