Leisure-time physical activity habits and abdominal adiposity in young adulthood : twin cohort and co-twin control studies

2018

Twin study designs were utilized to investigate how and what types of leisure- time physical activity (LTPA) are associated with abdominal adiposity in young adulthood taking into consideration diet and other selected health factors. The data of two studies were used: the longitudinal FinnTwin16 cohort and the clinical FITFATWIN study. In FinnTwin16, questionnaire data together with self- measured waist circumference (WC) of 3 383 (1 578 men) cohort members at mean ages 24.5 y and 34 y were used to study LTPA level and waist gain. Cross- sectional data of 4 027 (1 874 men) cohort members at mean age 34 y was used to study LTPA modes and WC. In FITFATTWIN study, ten monozygotic (MZ) male twi…