Background Previous research has linked adolescents’ participation in organised leisure-time activities (OLTAs) to better health and well-being. It remains unclear whether these associations can be ...
Department of Community Health and Prevention Research Center, School of Public Health, Saint Louis University, St Louis, USA Correspondence to: Dr R C Brownson, Department of Community Health and ...
Correspondence to Professor Chris Bonell, Department of Childhood, Families and Health, Institute of Education, University of London, 18 Woburn Square, London WC1H 0NR, UK; c.bonell{at}ioe.ac.uk ...
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