Guided by the biopsychosocial model, we examined (a) the prevalence of weight control behaviors (WCBs; i.e., trying to stay the same weight, lose weight, gain weight, or do nothing about weight) among early adolescent boys by race/ethnicity and grade level, and (b) how the boys' perceptions of sociocultural pressures (from parents, peers, and…

We present evidence of a positive relationship between school starting age and children's cognitive development from ages 6 to 18 using a fuzzy regression discontinuity design and large-scale population-level birth and school data from the state of Florida. We estimate effects of being old for grade (being born in September vs. August) that are…

Background: This study examined the association between fitness change and subsequent academic performance in Taiwanese schoolchildren from 7th grade to 9th grade. Methods: The 7th graders from 1 junior high school district participated in this study (N=669). Academic performance was extracted from school records at the end of each grade.…

For more than 25 years, the Annie E. Casey Foundation has used the data-based advocacy of KIDS COUNT to raise the visibility of children's issues and to inform decision making at the state and local levels. Building on this work and the efforts of other groups nationwide that are using indicator analysis to contribute to positive change for…