NDLI: Does activity space size influence physical activity levels of adolescents?—A GPS study of an urban environment

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Does activity space size influence physical activity levels of adolescents?—A GPS study of an urban environment

Content Provider	Semantic Scholar
Author	Voss, Christine Winters, Meghan
Copyright Year	2016
Abstract	BACKGROUND Physical activity (PA) is closely linked with child and youth health, and active travel may be a solution to enhancing PA levels. Activity spaces depict the geographic coverage of one's travel. Little is known about activity spaces and PA in adolescents. OBJECTIVE To explore the relation between adolescent travel (using a spatial measure of activity space size) and daily moderate-to-vigorous PA (MVPA), with a focus on school days. METHODS In Fall 2012, we used Global Positioning Systems to manually identify trips and generate activity spaces for each person-day; quantified by area for 39 students (13.8±0.6 years, 38% female) attending high school in urban Downtown Vancouver, Canada. We assessed the association between activity space area and MVPA using multi-level regression. We calculated total, school-day and trip-based MVPA for each valid person-day (accelerometry; ≥ 600 min wear time). RESULTS On school days, students accrued 68.2 min/day (95% CI 60.4-76.0) of MVPA. Daily activity spaces averaged 2.2 km2 (95% CI 1.3-3.0). There was no association between activity space size and school-day MVPA. Students accrued 21.8 min/day (95% CI 19.2-24.4) of MVPA during school hours, 19.4 min/day (95% CI 15.1-23.7) during travel, and 28.3 min/day (95% CI 22.3-34.3) elsewhere. CONCLUSION School and school travel are important sources of PA in Vancouver adolescents, irrespective of activity space area covered.
Starting Page	75
Ending Page	78
Page Count	4
File Format	PDF HTM / HTML
PubMed reference number	26807349v1
Volume Number	3
Journal	Preventive medicine reports
Language	English
Access Restriction	Open
Subject Keyword	Accelerometry Adolescent (age group) Conflict (Psychology) Exercise Gray Platelet Syndrome How True Feel Vigorous Right Now Numerous Square Kilometer
Content Type	Text
Resource Type	Article

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