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The objective of this study was to assess the association among sexual maturation (SM), overweight and central adiposity in children and adolescents. A total of 617 children and adolescents age 8 to 18 years old participated in the longitudinal study. Three samples were collected including data on weight, height and waist circumference. Overweight was classi-fied based on critical values for body mass index (BMI) adopted for Brazilian children and teenagers. SM stage (SMS) was done by self-assessment in three children and adolescent samples. Participants were distributed in quartiles based on SMS and sex. Accelerated-maturing subjects were compared to others. Data was analyzed by linear regression and logistic regression. We found a negative association between BMI z-score and onset of SM in boys, whereas for girls relatively-accelerated SM was positively associated to overweight and values of BMI z-score. Relatively-accelerated maturing girls showed more central adi-posity. The research concluded that accelerated SM was associated to overweight and high-er increase in BMI for both sexes, highlighting the importance of identifying SMS in nutri-tional assessment for children and teenagers.

Association among sexual maturation, overweight and central adiposity in children and adolescents at two schools in são Paulo