Cochrane watching and blood cholesterol. Generally The most common methodological local outcomes television. school-based interventions had weakness was outcome assessors components Database of Mean no effect on leisure time not being blinded and use of which are Systematic Systolic & physical activity rates, systolic for outcomes. The majority variable Reviews diastolic and diastolic blood pressure, of studies were conducted in the blood body mass index, and pulse United States (16) with the pressure, rate. At a minimum, a remaining originating from cholesterol combination of printed European countries. Only seven of School child, level ), educational materials and the 26 studies measured either bodymass changes to the school leisure time physical activity rate Children and index (BMI), curriculum that promote or duration of leisure time physical young adults VO2 max physical activity result in activity. aged 6-18 and pulse positive effects. rate. Given that there are no harmful The results of this review are effects and that there is some mixed with respect to the evidence of positive effects on effectiveness of school-based lifestyle behaviours and interventions to increase leisure physical health status time physical activity rates among measures, ongoing physical children and adolescents. While activity promotion in schools is two of seven studies reported a recommended at this time. The significant increase in the long term effects of percentage of grade school interventions are children who were physically unknown active during leisure time in the short term, it is unknown if these results were maintained in the long (e.g. 1-3 years). A third study, which did not report a significant impact in leisure time physical activity immediately following the intervention, observed a significant difference in the number of participants who were physically active as adults.
Cochrane Database of Systematic Reviews School child, Children and young adults aged 6-18 watching television. Mean Systolic & diastolic blood pressure, cholesterol level ), bodymass index (BMI), VO2 max and pulse rate. and blood cholesterol. Generally school-based interventions had no effect on leisure time physical activity rates, systolic and diastolic blood pressure, body mass index, and pulse rate. At a minimum, a combination of printed educational materials and changes to the school curriculum that promote physical activity result in positive effects. Given that there are no harmful effects and that there is some evidence of positive effects on lifestyle behaviours and physical health status measures, ongoing physical activity promotion in schools is recommended at this time. The long term effects of interventions are unknown The most common methodological weakness was outcome assessors not being blinded and use of for outcomes. The majority of studies were conducted in the United States (16) with the remaining originating from European countries. Only seven of the 26 studies measured either leisure time physical activity rate or duration of leisure time physical activity. The results of this review are mixed with respect to the effectiveness of school-based interventions to increase leisure time physical activity rates among children and adolescents. While two of seven studies reported a significant increase in the percentage of grade school children who were physically active during leisure time in the short term, it is unknown if these results were maintained in the long (e.g. 1-3 years). A third study, which did not report a significant impact in leisure time physical activity immediately following the intervention, observed a significant difference in the number of participants who were physically active as adults. local components which are variable outcomes
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