Physical Activity and Body-Mass-Index: Do Family, Friends and Teachers Restrain the Risk for Physical Inactivity in Adolescents?

Denise Renninger, David Joseph Sturm, Adilson Marques, Miguel Peralta, Stevo Popovic, Jovan Gardasevic, Bojan Masanovic and Yolanda Demetriou
Additional contact information
Denise Renninger: Department of Sport and Health Sciences, Technical University of Munich, 80992 Munich, Germany
David Joseph Sturm: Department of Sport and Health Sciences, Technical University of Munich, 80992 Munich, Germany
Adilson Marques: CIPER, Faculty of Human Kinetics, University of Lisbon, 1495-751 Cruz Quebrada, Portugal
Miguel Peralta: CIPER, Faculty of Human Kinetics, University of Lisbon, 1495-751 Cruz Quebrada, Portugal
Stevo Popovic: Faculty for Sport and Physical Education, University of Montenegro, 81400 Niksic, Montenegro
Jovan Gardasevic: Faculty for Sport and Physical Education, University of Montenegro, 81400 Niksic, Montenegro
Bojan Masanovic: Faculty for Sport and Physical Education, University of Montenegro, 81400 Niksic, Montenegro
Yolanda Demetriou: Department of Sport and Health Sciences, Technical University of Munich, 80992 Munich, Germany

Sustainability, 2021, vol. 13, issue 13, 1-12

Abstract: Background: The present study investigates the role of different sources of social support in the relationship of BMI and PA in an international sample of children and adolescents. Methods: Data included 170,211 adolescents (51.5% female), aged 10–16 (M = 13.6, SD = 1.64) from 37 European countries/regions and were retrieved from the 2013/14 Health Behaviour in School-aged Children (HBSC) international database. Results: PA levels in adolescents are lower for girls, decrease with age, and are lower for overweight and obese adolescents compared to underweight and normal-weight adolescents. Peer support and teacher support significantly predict PA (OR peer = 1.11; OR teacher = 0.97) and vigorous PA frequency (OR peer = 1.13; OR teacher = 0.94). Family support only affected vigorous PA frequency (OR = 1.03). Family support had a moderating effect on PA in overweight (OR family*BMI(overweight) = 0.94) and obese (OR family*BMI(obese) = 0.90) adolescents. Peer support had a moderating effect on vigorous PA frequency in obese (OR peer*BMI(obese) = 1.08) adolescents. Teacher support had a moderating effect on PA (OR teacher*BMI(normal) = 1.05; OR teacher*BMI(overweight) = 1.09) and vigorous PA frequency (OR teacher*BMI(normal) = 1.07; OR teacher*BMI(overweight) = 1.08) in normal-weight and overweight adolescents. Conclusion: Social support helps adolescents to be active. Especially for obese adolescents, support by and relations with peers are important to reach a significant amount of PA.

Keywords: social support; peers; HBSC; secondary analysis; overweight; obesity; adolescents (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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