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Given the rapid demographic transition and obesity growth in China, it is important to study how the large only-child population (≈100 million) might contribute to the obesity epidemic. This study evaluated associations of only-child status with weight and energy expenditure–related behaviors in China and examined how the associations may vary by sex and urbanicity.Secondary analyses of nationally...
Background
Obesity is a serious threat to global health. School is a key setting for obesity intervention. Research on school risk factors for child obesity is limited in developing countries.
Objectives
To examine regional variations in obesity and school environments/policies and their associations among students in China.
Methods
Analyses were based on the first nationally representative sample...
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