Introduction
chronic diseases
CHRONIC DISEASES
Low levels of physical activity are associated with increased risk of several chronic diseases [There are various theories regarding how activity levels in one domain can influence physical activity in other domains. The ActivityStat hypothesis suggests that increased physical activity in one domain leads to a compensational effect by reducing physical activity in another domain [While it may be assumed that increasing physical activity in one domain will lead to increased physical activity overall, the evidence supporting this notion has been inconsistent [The School in Motion project (ScIM) [