Values for age, anthropometric characteristics, physical activity levels, and eating behaviour are mean (SD) and were analysed between sex using linear mixed models. Values for central obesity and FTO rs99396909 genotype are frequency (%) and were analysed between sex using chi-square tests. aCentral obesity was defined as a waist circumference >88 cm for women and >102 cm for men. bComplete physical activity data available for n = 408 (female: n = 83; male: n = 325). Significant difference between females and males (linear mixed model ). Significant difference between females and males (chi-square test ).