Are single childrenmore likely to be overweight or obese than thosewith siblings? The influence of China's one-child policy on childhood obesity

摘要

and also may have contributed to increased childhood obesity. However, very limited research has investigated the association between one-child policy and childhood obesity. We examined characteristics of single-child families and the influence of one-child policy (indicated by single-child status) on children's weight status and related health behaviors.