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Article: To what extent does physical activity explain the associations between neighborhood environment and depressive symptoms in older adults living in an Asian metropolis?

TitleTo what extent does physical activity explain the associations between neighborhood environment and depressive symptoms in older adults living in an Asian metropolis?
Authors
KeywordsMental health
Geographic information systems
Environmental audits
Living arrangements
Walking
Walkability
Issue Date2019
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/714078/description#description
Citation
Mental Health and Physical Activity, 2019, v. 16, p. 96-104 How to Cite?
AbstractPurpose: This study aimed to examine physical activity (PA) as a mediator of both neighborhood environment-depressive symptoms associations and the moderating effects of living arrangements on these associations. Methods: 909 Hong Kong Chinese older adults aged 65 + years and living in pre-selected communities stratified by walkability and socio-economic status participated in this cross-sectional observational study. Exposure variables were objectively-quantified neighborhood attributes. The outcome measure was presence of depressive symptoms. Scores on validated Chinese versions of international PA questionnaires were examined as mediators of environment-depressive symptoms associations and of the moderating effects of living arrangements (living alone vs. living with others) on these associations. Results: Neighborhood connectivity, prevalence of public transport, and pedestrian infrastructure were positively related to depressive symptoms; and frequency of walking for transport was identified as a suppressor of these positive associations. Living arrangements moderated the associations of a considerable number of measures of access to destinations of daily living with depressive symptoms, and most of these moderating effects were partially mediated by frequency of walking for transport. Conclusions: Ultra-dense, well-connected, pedestrian-friendly, destination-rich neighborhoods may contribute to lowering the risk of depressive symptoms in Hong Kong older adults by enabling them to frequently walk to local destinations of daily living and, thus, maintain their independence and bond with the community. These potential pathways of influence appear to be particularly important for older adults living alone. Future studies need to identify mechanisms other than PA that contribute to unexplained environment-depression relationships.
Persistent Identifierhttp://hdl.handle.net/10722/272084
ISSN
2017 Impact Factor: 2.0
2015 SCImago Journal Rankings: 0.772
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhang, CJP-
dc.contributor.authorBarnett, A-
dc.contributor.authorSit, CHP-
dc.contributor.authorLai, PC-
dc.contributor.authorJohnston, JM-
dc.contributor.authorLee, RSY-
dc.contributor.authorCerin, E-
dc.date.accessioned2019-07-20T10:35:22Z-
dc.date.available2019-07-20T10:35:22Z-
dc.date.issued2019-
dc.identifier.citationMental Health and Physical Activity, 2019, v. 16, p. 96-104-
dc.identifier.issn1755-2966-
dc.identifier.urihttp://hdl.handle.net/10722/272084-
dc.description.abstractPurpose: This study aimed to examine physical activity (PA) as a mediator of both neighborhood environment-depressive symptoms associations and the moderating effects of living arrangements on these associations. Methods: 909 Hong Kong Chinese older adults aged 65 + years and living in pre-selected communities stratified by walkability and socio-economic status participated in this cross-sectional observational study. Exposure variables were objectively-quantified neighborhood attributes. The outcome measure was presence of depressive symptoms. Scores on validated Chinese versions of international PA questionnaires were examined as mediators of environment-depressive symptoms associations and of the moderating effects of living arrangements (living alone vs. living with others) on these associations. Results: Neighborhood connectivity, prevalence of public transport, and pedestrian infrastructure were positively related to depressive symptoms; and frequency of walking for transport was identified as a suppressor of these positive associations. Living arrangements moderated the associations of a considerable number of measures of access to destinations of daily living with depressive symptoms, and most of these moderating effects were partially mediated by frequency of walking for transport. Conclusions: Ultra-dense, well-connected, pedestrian-friendly, destination-rich neighborhoods may contribute to lowering the risk of depressive symptoms in Hong Kong older adults by enabling them to frequently walk to local destinations of daily living and, thus, maintain their independence and bond with the community. These potential pathways of influence appear to be particularly important for older adults living alone. Future studies need to identify mechanisms other than PA that contribute to unexplained environment-depression relationships.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/714078/description#description-
dc.relation.ispartofMental Health and Physical Activity-
dc.subjectMental health-
dc.subjectGeographic information systems-
dc.subjectEnvironmental audits-
dc.subjectLiving arrangements-
dc.subjectWalking-
dc.subjectWalkability-
dc.titleTo what extent does physical activity explain the associations between neighborhood environment and depressive symptoms in older adults living in an Asian metropolis?-
dc.typeArticle-
dc.identifier.emailZhang, CJP: casperz@hku.hk-
dc.identifier.emailLai, PC: pclai@hku.hk-
dc.identifier.emailJohnston, JM: jjohnsto@hku.hk-
dc.identifier.emailCerin, E: ecerin@hku.hk-
dc.identifier.authoritySit, CHP=rp00957-
dc.identifier.authorityLai, PC=rp00565-
dc.identifier.authorityJohnston, JM=rp00375-
dc.identifier.authorityCerin, E=rp00890-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.mhpa.2018.11.005-
dc.identifier.scopuseid_2-s2.0-85057821622-
dc.identifier.hkuros299089-
dc.identifier.volume16-
dc.identifier.spage96-
dc.identifier.epage104-
dc.identifier.isiWOS:000471360600012-
dc.publisher.placeNetherlands-

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