Associations of smoking status and leisure-time physical activity with waist circumference change—10-year follow-up among twin adults

Sample

The data is based on the Finnish population sample, FinnTwin16 cohort [21]. We used two surveys conducted in 2000–2003 (baseline) and 2010–2012 (follow-up) (Fig. 1a). At baseline 5240 (46% men, mean age 24 years, born in 1975–1979),…