Cathrine Tadyanemhandu, Heleen van Aswegen, Veronica Ntsiea
Barriers and facilitators to implementation of early mobilisation of critically ill patients in Zimbabwean and South African public sector hospitals: a qualitative study
Disability and rehabilitation
determine effectiveness schoolbased interventions focus changing dietary intake physical activity levels prevent childhood obesity medline embase searched january 2006 september 2007 controlled trials schoolbased lifestyle interventions minimum duration 12 weeks reporting weight outcome thirtyeight studies included 15 new studies 23 studies included within national institute health clinical excellence obesity guidance one three diet studies five 15 physical activity studies nine 20 combined diet physical activity studies demonstrated significant positive differences intervention control body mass index insufficient evidence assess effectiveness dietary interventions diet vs physical activity interventions schoolbased physical activity interventions may help children maintain healthy weight results inconsistent shortterm physical activity interventions may successful younger children girls studies heterogeneous making difficult generalize interventions effective findings inconsistent overall suggest combined diet physical activity schoolbased interventions may help prevent children becoming overweight long term physical activity interventions particularly girls primary schools may help prevent children becoming overweight short term