Abstract:Our aim was to determine the relationship between urban green spaces (UGS) number and greenness amount close to school with physical activity (PA) and body mass index (BMI) of adolescents. Participants (n = 194, aged 13–18 years) were recruited in 75 public secondary schools in the Porto Metropolitan Area. We used a self administered questionnaire to obtain information on height, weight, age and sex. PA levels were assessed using accelerometers. UGS number and greenness amount were measured using network buffe… Show more
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