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Article: Measuring walking within and outside the neighborhood in Chinese elders: Reliability and validity
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TitleMeasuring walking within and outside the neighborhood in Chinese elders: Reliability and validity
 
AuthorsCerin, E1
Barnett, A1
Sit, CH1
Cheung, MC2
Lee, LC1
Ho, SY1
Chan, WM2
 
Issue Date2011
 
PublisherBioMed Central Ltd. The Journal's web site is located at http://www.biomedcentral.com/bmcpublichealth/
 
CitationBmc Public Health, 2011, v. 11 [How to Cite?]
DOI: http://dx.doi.org/10.1186/1471-2458-11-851
 
AbstractBackground: Walking is a preferred, prevalent and recommended activity for aging populations and is influenced by the neighborhood built environment. To study this influence it is necessary to differentiate whether walking occurs within or outside of the neighborhood. The Neighborhood Physical Activity Questionnaire (NPAQ) collects information on setting-specific physical activity, including walking, inside and outside one's neighborhood. While the NPAQ has shown to be a reliable measure in adults, its reliability in older adults is unknown. Additionally its validity and the influence of type of neighborhood on reliability and validity have yet to be explored. Methods. The NPAQ walking component was adapted for Chinese speaking elders (NWQ-CS). Ninety-six Chinese elders, stratified by social economic status and neighborhood walkability, wore an accelerometer and completed a log of walks for 7 days. Following the collection of valid data the NWQ-CS was interviewer-administered. Fourteen to 20 days (average of 17 days) later the NWQ-CS was re-administered. Test-retest reliability and validity of the NWQ-CS were assessed. Results: Reliability and validity estimates did not differ with type of neighborhood. NWQ-CS measures of walking showed moderate to excellent reliability. Reliability was generally higher for estimates of weekly frequency than minutes of walking. Total weekly minutes of walking were moderately related to all accelerometry measures. Moderate-to-strong associations were found between the NWQ-CS and log-of-walks variables. The NWQ-CS yielded statistically significantly lower mean values of total walking, weekly minutes of walking for transportation and weekly frequency of walking for transportation outside the neighborhood than the log-of-walks. Conclusions: The NWQ-CS showed measurement invariance across types of neighborhoods. It is a valid measure of walking for recreation and frequency of walking for transport. However, it may systematically underestimate the duration of walking for transport in samples that engage in high levels of this type of walking. © 2011 Ester Cerin et al.; licensee BioMed Central Ltd.
 
ISSN1471-2458
2013 Impact Factor: 2.321
2013 SCImago Journal Rankings: 1.233
 
DOIhttp://dx.doi.org/10.1186/1471-2458-11-851
 
PubMed Central IDPMC3231973
 
ISI Accession Number IDWOS:000297682800002
Funding AgencyGrant Number
Food and Health Bureau, Government of the Hong Kong SAR, PR of China04060671
Funding Information:

This work was supported by grant no. 04060671 by the Health and Health Service Research Fund (Food and Health Bureau, Government of the Hong Kong SAR, PR of China), for which we are grateful. We would like to thank the staff of the Elderly Health Centres (EHCs) for their patience and assistance which made it possible to successfully complete this project.

 
ReferencesReferences in Scopus
 
GrantsDevelopment and validation of measures to study the effects of the built environment on walking in Hong Kong senior residents using a convenience sample
 
DC FieldValue
dc.contributor.authorCerin, E
 
dc.contributor.authorBarnett, A
 
dc.contributor.authorSit, CH
 
dc.contributor.authorCheung, MC
 
dc.contributor.authorLee, LC
 
dc.contributor.authorHo, SY
 
dc.contributor.authorChan, WM
 
dc.date.accessioned2012-02-03T06:15:44Z
 
dc.date.available2012-02-03T06:15:44Z
 
dc.date.issued2011
 
dc.description.abstractBackground: Walking is a preferred, prevalent and recommended activity for aging populations and is influenced by the neighborhood built environment. To study this influence it is necessary to differentiate whether walking occurs within or outside of the neighborhood. The Neighborhood Physical Activity Questionnaire (NPAQ) collects information on setting-specific physical activity, including walking, inside and outside one's neighborhood. While the NPAQ has shown to be a reliable measure in adults, its reliability in older adults is unknown. Additionally its validity and the influence of type of neighborhood on reliability and validity have yet to be explored. Methods. The NPAQ walking component was adapted for Chinese speaking elders (NWQ-CS). Ninety-six Chinese elders, stratified by social economic status and neighborhood walkability, wore an accelerometer and completed a log of walks for 7 days. Following the collection of valid data the NWQ-CS was interviewer-administered. Fourteen to 20 days (average of 17 days) later the NWQ-CS was re-administered. Test-retest reliability and validity of the NWQ-CS were assessed. Results: Reliability and validity estimates did not differ with type of neighborhood. NWQ-CS measures of walking showed moderate to excellent reliability. Reliability was generally higher for estimates of weekly frequency than minutes of walking. Total weekly minutes of walking were moderately related to all accelerometry measures. Moderate-to-strong associations were found between the NWQ-CS and log-of-walks variables. The NWQ-CS yielded statistically significantly lower mean values of total walking, weekly minutes of walking for transportation and weekly frequency of walking for transportation outside the neighborhood than the log-of-walks. Conclusions: The NWQ-CS showed measurement invariance across types of neighborhoods. It is a valid measure of walking for recreation and frequency of walking for transport. However, it may systematically underestimate the duration of walking for transport in samples that engage in high levels of this type of walking. © 2011 Ester Cerin et al.; licensee BioMed Central Ltd.
 
dc.description.naturepublished_or_final_version
 
dc.identifier.citationBmc Public Health, 2011, v. 11 [How to Cite?]
DOI: http://dx.doi.org/10.1186/1471-2458-11-851
 
dc.identifier.doihttp://dx.doi.org/10.1186/1471-2458-11-851
 
dc.identifier.hkuros198380
 
dc.identifier.isiWOS:000297682800002
Funding AgencyGrant Number
Food and Health Bureau, Government of the Hong Kong SAR, PR of China04060671
Funding Information:

This work was supported by grant no. 04060671 by the Health and Health Service Research Fund (Food and Health Bureau, Government of the Hong Kong SAR, PR of China), for which we are grateful. We would like to thank the staff of the Elderly Health Centres (EHCs) for their patience and assistance which made it possible to successfully complete this project.

 
dc.identifier.issn1471-2458
2013 Impact Factor: 2.321
2013 SCImago Journal Rankings: 1.233
 
dc.identifier.pmcidPMC3231973
 
dc.identifier.pmid22070768
 
dc.identifier.scopuseid_2-s2.0-80655128676
 
dc.identifier.urihttp://hdl.handle.net/10722/144610
 
dc.identifier.volume11
 
dc.languageeng
 
dc.publisherBioMed Central Ltd. The Journal's web site is located at http://www.biomedcentral.com/bmcpublichealth/
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofBMC Public Health
 
dc.relation.projectDevelopment and validation of measures to study the effects of the built environment on walking in Hong Kong senior residents using a convenience sample
 
dc.relation.referencesReferences in Scopus
 
dc.rightsBMC Public Health. Copyright © BioMed Central Ltd.
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.subject.meshActigraphy
 
dc.subject.meshQuestionnaires - standards
 
dc.subject.meshResidence Characteristics
 
dc.subject.meshSocial Class
 
dc.subject.meshWalking - statistics and numerical data
 
dc.titleMeasuring walking within and outside the neighborhood in Chinese elders: Reliability and validity
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. Hong Kong Government