Prevalence of abdominal obesity according to BMI categories.

1Prevalence calculated using IOTF reference values (cut-off points corresponding to an adult BMI≥25 and <30 kg/m2). Normal weight (70.9%; 76.6%), overweight (21.5%;17.4%), and obesity (6.6%;5.2%) (children; adolescents) [19]. 2Normal weight (71.0%; 75.0%), overweight (10.7%;9.7%), and obesity (17.2%;14.5%) (children; adolescents) according to Hernandez [20]. 3Waist circumferences above the sex and age specific 90th percentile. 4Sex and age specific WC cut-off values associated with high trunk fat measured by by dual-energy X-ray absorptiometry [18]. 5Waist to height ratio ≥0.5.