Figure 2

Effect of physical activity on the impact of the FTO rs9939609 variant on BMI levels at age 50 years. Subjects were divided into four different categories based on self-reported leisure time physical activity: sedentary, moderate, regular and athletic. A: BMI levels for each category stratified according to FTO rs9939609 genotype, data are means and ± SEM B: Differences in BMI levels for the different categories between heterozygotes and homozygotes T-allele carriers and between heterozygotes and homozygotes A-allele carriers, respectively.