title: Examination of perceived neighborhood characteristics and transportation on changes in physical activity and sedentary behavior: The Trial of Activity in Adolescent Girls.
abstract: We examined the association between perceived neighborhood characteristics and transport and 2-year changes in accelerometer-determined nonschool MET-weighted moderate-to-vigorous physical activity (MW-MVPA) and sedentary behavior of adolescent girls. Reporting that children do not play outdoors in their neighborhood, that their neighborhood was well lit, and that there were trails in their neighborhood were each associated with significant decreases in nonschool MW-MVPA. None of the neighborhood or transportation measures was associated with changes in nonschool sedentary behavior. Further work is needed to understand the determinants of the decline in physical activity and the increase in sedentary behavior among adolescent girls.
authors.affiliation: University of North Carolina, Chapel Hill, Gillings School of Global Public Health, Department of Epidemiology, 137 East Franklin Street, Bank of America Center, Suite 306, Chapel Hill, NC 27514, USA. kelly_evenson@unc.edu
authors.forename: Kelly R
authors.initials: KR
authors.lastname: Evenson
authors.forename: David M
authors.initials: DM
authors.lastname: Murray
authors.forename: Amanda S
authors.initials: AS
authors.lastname: Birnbaum
authors.forename: Deborah A
authors.initials: DA
authors.lastname: Cohen
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D005260:Female; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation / Q000379:methods; D009043:Motor Activity; D010465:Perception; D011446:Prospective Studies; D012111:Residence Characteristics; D012449:Safety; D057185:Sedentary Behavior; D014186:Transportation / Q000379:methods; D014481:United States