Journal
FRONTIERS IN PUBLIC HEALTH
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fpubh.2022.950870
Keywords
childhood obesity; grandchild care; medical insurance; socioeconomic factors; obesity inequalities; left-behind children
Categories
Funding
- National Social Science Foundation of China
- Qian Duan-sheng Outstanding Scholars Support Program of China University of Political Science and Law
- CFPS of the Institute of Social Science Survey of Peking University
- [21CSH011]
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This study examines the influences of grandchild care and medical insurance on childhood obesity in China. The findings show that grandchild care, public medical insurance, and commercial medical insurance are key risk factors for child obesity. In addition, urban-rural disparities and the event shock of parental absence also contribute to obesity inequalities. These results highlight the importance of population-based interventions and equitable medical insurance policies in addressing child obesity in China.
This study examines the influences of grandchild care and medical insurance on childhood obesity. Nationally representative longitudinal data-from the China Family Panel Studies 2010-2020-of 26,902 school-age children and adolescents aged 6-16 years and China's new reference standard (WS/T586-2018) are used to identify a child's obesity status. Using binary mixed-effects logistic regression models and the Blinder-Oaxaca decomposition method, this study explores the roots of obesity inequalities and finds that at least 15% of Chinese children aged 6-16 were obese in the 2010s. The logistic regression analysis results indicate that grandchild care, public medical insurance, and commercial medical insurance are key risk factors of child obesity. However, the influences are heterogeneous in different groups: Grandchild care and public medical insurance increase urban-rural obesity inequalities because of a distribution effect, and grandchild care may also exacerbate children obesity inequalities between left-behind and non-left-behind children owing to the event shock of parental absence. Inequalities in socioeconomic status (SES) factors such as income, education, and region also cause obesity inequalities. These results indicate that child obesity and its inequalities are rooted in multidimensional environmental inequalities, including medical protection policies and its benefit incidence; intergenerational behavior and family SES factors; and urban-rural and left-behind risk shocks. This study provides new evidence for the development of population-based interventions and equitable medical insurance policies to prevent the deterioration of child obesity among Chinese school-age children and adolescents.
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