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Article: Active commuting to school and association with physical activity and adiposity among US youth

TitleActive commuting to school and association with physical activity and adiposity among US youth
Authors
KeywordsBicycling
Obesity
Pediatric
School-based
Walking
Issue Date2011
PublisherHuman Kinetics. The Journal's web site is located at http://www.humankinetics.com/JPAH
Citation
Journal Of Physical Activity And Health, 2011, v. 8 n. 4, p. 488-495 How to Cite?
Abstract
Walking or bicycling to school (ie, active commuting) has shown promise for improving physical activity and preventing obesity in youth. Our objectives were to examine, among US youth, whether active commuting was inversely associated with adiposity and positively associated with moderate-to-vigorous physical activity (MVPA). We also examined whether MVPA mediated the relationships between active commuting and adiposity. Methods: Using data of participants aged 12 to 19 years from the US National Health and Nutrition Examination Survey 2003 to 2004 (n = 789 unweighted), we constructed multiple linear regression models that controlled for dietary energy intake and sociodemographics. The main exposure variable was active commuting. The outcomes were BMI z-score, waist circumference, skinfolds and objectively measured MVPA. The product-of-coefficients method was used to test for mediation. Results: Active commuting was inversely associated with BMI z-score (β = -0.07, P = .046) and skinfolds (β = -0.06, P = .029), and positively associated with overall daily (β = 0.12, P = .024) and before- and after-school (β = 0.20, P < .001) MVPA. Greater before- and after-school MVPA explained part of the relationship between active commuting and waist circumference (Sobel z = -1.98, P = .048). Conclusions: Active commuting was associated with greater MVPA and lower measures of adiposity among US youth. Before- and after-school MVPA mediated the relationships between active commuting and waist circumference. © 2011 Human Kinetics, Inc.
Persistent Identifierhttp://hdl.handle.net/10722/139961
ISSN
2013 Impact Factor: 1.863
PubMed Central ID
ISI Accession Number ID
References

 

Author Affiliations
  1. Baylor College of Medicine
  2. The University of Hong Kong
  3. University of Texas M. D. Anderson Cancer Center
  4. Centers for Disease Control and Prevention
DC FieldValueLanguage
dc.contributor.authorMendoza, JAen_HK
dc.contributor.authorWatson, Ken_HK
dc.contributor.authorNguyen, Nen_HK
dc.contributor.authorCerin, Een_HK
dc.contributor.authorBaranowski, Ten_HK
dc.contributor.authorNicklas, TAen_HK
dc.date.accessioned2011-09-23T06:03:50Z-
dc.date.available2011-09-23T06:03:50Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal Of Physical Activity And Health, 2011, v. 8 n. 4, p. 488-495en_HK
dc.identifier.issn1543-3080en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139961-
dc.description.abstractWalking or bicycling to school (ie, active commuting) has shown promise for improving physical activity and preventing obesity in youth. Our objectives were to examine, among US youth, whether active commuting was inversely associated with adiposity and positively associated with moderate-to-vigorous physical activity (MVPA). We also examined whether MVPA mediated the relationships between active commuting and adiposity. Methods: Using data of participants aged 12 to 19 years from the US National Health and Nutrition Examination Survey 2003 to 2004 (n = 789 unweighted), we constructed multiple linear regression models that controlled for dietary energy intake and sociodemographics. The main exposure variable was active commuting. The outcomes were BMI z-score, waist circumference, skinfolds and objectively measured MVPA. The product-of-coefficients method was used to test for mediation. Results: Active commuting was inversely associated with BMI z-score (β = -0.07, P = .046) and skinfolds (β = -0.06, P = .029), and positively associated with overall daily (β = 0.12, P = .024) and before- and after-school (β = 0.20, P < .001) MVPA. Greater before- and after-school MVPA explained part of the relationship between active commuting and waist circumference (Sobel z = -1.98, P = .048). Conclusions: Active commuting was associated with greater MVPA and lower measures of adiposity among US youth. Before- and after-school MVPA mediated the relationships between active commuting and waist circumference. © 2011 Human Kinetics, Inc.en_HK
dc.languageengen_US
dc.publisherHuman Kinetics. The Journal's web site is located at http://www.humankinetics.com/JPAHen_HK
dc.relation.ispartofJournal of Physical Activity and Healthen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectBicyclingen_HK
dc.subjectObesityen_HK
dc.subjectPediatricen_HK
dc.subjectSchool-baseden_HK
dc.subjectWalkingen_HK
dc.subject.meshAdiposity - physiology-
dc.subject.meshBicycling - physiology-
dc.subject.meshEnergy Intake-
dc.subject.meshTransportation-
dc.subject.meshWalking - physiology-
dc.titleActive commuting to school and association with physical activity and adiposity among US youthen_HK
dc.typeArticleen_HK
dc.identifier.emailCerin, E: ecerin@hku.hken_HK
dc.identifier.authorityCerin, E=rp00890en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.pmid21597121en_HK
dc.identifier.pmcidPMC3115568-
dc.identifier.scopuseid_2-s2.0-79955517098en_HK
dc.identifier.hkuros192938en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79955517098&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume8en_HK
dc.identifier.issue4en_HK
dc.identifier.spage488en_HK
dc.identifier.epage495en_HK
dc.identifier.isiWOS:000290974900005-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridMendoza, JA=7102491923en_HK
dc.identifier.scopusauthoridWatson, K=8664910800en_HK
dc.identifier.scopusauthoridNguyen, N=36728166400en_HK
dc.identifier.scopusauthoridCerin, E=14522064200en_HK
dc.identifier.scopusauthoridBaranowski, T=7004458126en_HK
dc.identifier.scopusauthoridNicklas, TA=7006077791en_HK

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