Description of key variables by level of physical activity (n = 23,124).
收藏数据链接：
官方服务：
资源简介：
Note: N values presented were weighted as per the HBSC protocol. [32] The Rao-Scott chi square test controls for the clustering effect of school. The “other” ethnic group includes youth who identified with more than one of the six identified ethnic groups.
创建时间：
2015-12-02
