Association between sleep duration and differences between weekday and weekend sleep with body mass index & waist circumference among Black women in Sistertalk II.

Objectives: Examine associations between sleep duration and differences between weekday and weekend sleep with body mass index and waist circumference in a sample of high-risk Black women from the SisterTalk II study.

Design: Cross-sectional analysis of baseline data from an intervention study targeting dietary and physical activity behaviors.

Setting: Women were recruited from the Providence, RI, USA, area.