âge (3) Sex (3) Regression analysis (3) Exercise (3) Age (3) Age (3) jeunesse (2) poids (2) temps (durée) (2) établissement scolaire (2) association (2) mode de vie (2) éducation (2) enfant (2) Education (2) Children (2) Youth (2) Year (2) Time (2) Social groups (2) Human beings (2) Girls (2) Education (2) Children (2) Boys (2) Average (2) Youth (2) Weight (2) adolescent (2) comportement (1)