Blar i Brage NIH på forfatter "Thoresen, Magne"
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Three-year follow-up of physical activity in Norwegian youth from two ethnic groups: associations with socio-demographic factors
Sagatun, Åse; Kolle, Elin; Anderssen, Sigmund A.; Thoresen, Magne; Søgaard, Anne Johanne (Peer reviewed; Journal article, 2008-12-22)Background: More research on factors associated with physical activity and the decline in participation during adolescence is needed. In this paper, we investigate the levels, change, and stability of physical activity ...