Adolescents who are changing residence, as well as their social and economic
circumstances may experience lifestyle changes that have an effect on body composition
outcomes such as undernutrition, overweight or obesity. This paper uses data from Birth to
Twenty, a birth cohort of South African urban children, to determine the relationship between
residential mobility and body mass index (BMI) amongst Black adolescents aged 15 (n=
1613), and to examine the role of changes in household socioeconomic status (SES). The …