Social and Behavioral Sciences Commons^™

Associations Between Cumulative Risk, Childhood Sleep Duration, And Body Mass Index Across Childhood, Tiffany Phu, Jenalee R. Doom

Psychology: Faculty Scholarship

Background: Although associations between cumulative risk, sleep, and overweight/obesity have been demonstrated, few studies have examined relationships between these constructs longitudinally across childhood. This study investigated how cumulative risk and sleep duration are related to current and later child overweight/obesity in families across the United States sampled for high sociodemographic risk.

Methods: We conducted secondary analyses on 3690 families with recorded child height and weight within the Fragile Families and Child Well-Being Study. A cumulative risk composite (using nine variables indicating household/ environmental, family, and sociodemographic risk) was calculated for each participant from ages 3-9 years. Path analyses …