Purpose: To describe changes in mode of commuting to school among Australia students between 2004 and 2010 and in relation to body mass index (BMI) and cardio respiratory fitness.
Methods: Representative cross-sectional survey of school children in grades 6, 8 and 10 in 2004 (n=2750) and 2010 (n=4273). Information on how many days students use active and passive travel modes to and from school and measured BMI and cardio-respiratory fitness test were collected as part of the New South Wales (NSW) Schools Physical Activity and Nutrition Surveys (SPANS).
Results: Active travel to school remained stable between 2004 and 2010, although there was a small increase in minutes spent on active travel. There was no association between active travel and body mass index. In 2010 there was a significant association between frequent car use and low cardio-respiratory fitness (adjusted OR=1.7, CI 1.3-2.1).
Conclusion: It is a positive finding that the generational decline in active travel may have levelled out. Student inactivity associated with regular car use is plausibly related to lower cardio-respiratory fitness, but active commuting may not be of sufficient energy expenditure to impact upon BMI.
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