Using health promotion outcomes in formative evaluation studies to predict success factors in interventions: an application to an intervention for promoting physical activity in Dutch children (JUMP-in)

JUMP-in is a systematically developed intervention aimed at promoting physical activity among primary school children. It is a joint project involving different authorities and entails six school-based programme components. Measuring effects of such an intervention is a complex challenge. A common problem is the lack of valid instruments to measure physical activity and its determinants. In addition, it usually takes years to find improvements in physical activity and related constructs like weight and fitness, or even in causal factors. For this reason different authors advocate for the estab... Mehr ...