How cohabitation, marriage, separation, and divorce influence BMI: A prospective panel study.

This study examines how changes in cohabitation or marital status affect Body Mass Index (BMI) over time in a large representative sample.Participants were 20,950 individuals (50% female; 19 to 100 years), representative of the German population, who provided 81,926 observations over 16 years. Face-to-face interviews were used to obtain demographic data, including cohabitation and marital status, height, body weight, and weight-relevant...