Yngvar Ommundsen

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BACKGROUND AND PURPOSE The lack of effective school-based interventions for preventing obesity in children has caused a call for longer duration of interventions and better reporting on design and(More)
OBJECTIVE This study investigated the construct validity of a computerised self-assessment tool to measure psychological, social and environmental influences of young peoples' physical activity.(More)
OBJECTIVE Little is known about the existence of independent location- or context specific forms of physical activity. This study sought to identify location-specific forms of physical activity in a(More)
BACKGROUND There is limited knowledge as to whether obesity prevention interventions are able to produce change in the determinants hypothesized to precede change in energy balance-related behaviors(More)