They go straight home - don't they? Using global positioning systems to assess adolescent school-travel patterns

Journal of Transport & Health
Christine VossHeather McKay

Abstract

Active travel to school is a potential source of physical activity for adolescents, but its assessments often rely on assumptions around travel patterns. Global positioning system (GPS) and accelerometry provide an objective assessment of physical activity from school-travel and the context in which it occurs (where, when, how long). To describe school-travel patterns of adolescents and to compare estimates of physical activity during the hour before/after school - a commonly used proxy for school-travel time - with physical activity accrued during school trips identified through GPS ('GPS-trips'). Adolescents (n=49, 13.3±0.7 years, 37% female) from Downtown Vancouver wore an accelerometer (GT3X+) and GPS (Qstarz) for 7 days (October 2012). Minutes of moderate-to-vigorous physical activity (MVPA) during the hour before/after school and during GPS-trips were calculated for the n=130 school-trips made by 43 students. We used multilevel linear regression to assess the association between MVPA during GPS-trips and MVPA during the hour/before school. Only 55% of school-trips were from/to home and within the hour before/after school ('normal'). Estimates of MVPA during the hour before/after school were higher than during GPS-trips (1...Continue Reading

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Citations

Dec 17, 2015·Journal of Urban Health : Bulletin of the New York Academy of Medicine·Laura SchuchAndrew J Davis
Jun 19, 2016·Social Science & Medicine·Louise Meijering, Gerd Weitkamp
Mar 25, 2017·American Journal of Epidemiology·D Alex QuistbergBrian E Saelens

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