Determinants of postpartum weight variation in a cohort of adult women; a hierarchical approach.

Introduction: Retention of the weight gained during pregnancy or the weight gain postpartum has been associated with increased prevalence of obesity in women of childbearing age.

Objective: To identify determinants of weight variation at 24 months postpartum in women from 2 towns in Bahia, Brazil.

Methods: Dynamic cohort data of 325 adult women were collected for 24 months postpartum.