Fig. 2

Body mass index according to prior antibiotic medication exposure (quartiles, data from 1993 to baseline) in the Young Finns Study and the National FINRISK Study. P for trend was calculated using a linear regression model adjusted for 1) age, sex, childhood family income, parental smoking and early life (age 6 to 24 years) body mass index, insulin, systolic blood pressure, and physical activity in YFS and 2) age, sex, study cohort, income, smoking, systolic blood pressure, physical activity in FINRISK. Body mass index measured at baseline (1997, 2002, 2007 or 2012) in FINRISK and at the most recent follow-up (2011) in YFS