Yiwen Huang, Xiaotong Wang, Na Meng, Lin Li, Jian Zhang, Qiong Wu, Yanfeng Zhang
Suboptimal status of tummy time for infants in early childhood education institutions in urban China: A cross-sectional study
Journal of global health
head circumference hc anthropometric index brain development nutritional background described significantly associated scholastic achievement sa aim study determine impact nutritional background current nutritional status parameters sa education quality measurement system simce tests representative sample 33 schools randomly chosen metropolitan region chile sample consisted 1353 schoolaged children sexes fifth grade elementary school first grade high school 2009 took simce tests nutritional status assessed anthropometric parameters brain development measured hc expressed hcforage zscore zhc students zhc 2 sd 2 sd obtained low high sa respectively language mathematics tests p 0001 general grades students zhc 0 sd increase double probability obtain language mathematics sa scores median p 00001 confirm hypothesis hc relevant physical index associated sa therefore children lowest scores simce tests probably lower brain development