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dc.contributor.authorWanner, Miriam-
dc.contributor.authorProbst-Hensch, Nicole-
dc.contributor.authorKriemler, Susi-
dc.contributor.authorMeier, Flurina-
dc.contributor.authorBauman, Adrian-
dc.contributor.authorMartin, Brian W.-
dc.date.accessioned2018-11-23T10:33:54Z-
dc.date.available2018-11-23T10:33:54Z-
dc.date.issued2013-
dc.identifier.issn0306-3674de_CH
dc.identifier.issn1473-0480de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/13206-
dc.description.abstractBackground: Self-report instruments to assess physical activity are still the most feasible option in many population-wide surveys, and often need to be very short owing to resource constraints. The aim of this study was to test the criterion validity of a single-item physical activity measure using accelerometers and to compare its measurement properties by gender, age group (including older adults) and language region. Methods: A validation study was carried out within the second follow-up of a large Swiss cohort study (Swiss Cohort Study on Air Pollution and Lung and Heart Disease in Adults, SAPALDIA, n=208) and included an additional convenient sample (n=110). Participants wore an accelerometer over eight consecutive days and then completed the single-item measure. Spearman’s rank-order correlations were used to assess the criterion validity. Results: Physical activity levels were higher in men, younger individuals and those from the German-speaking part of Switzerland. Correlation coefficients for the number of days with at least 30 min of moderate-to-vigorous physical activity according to the single item and different accelerometer activity outcomes ranged from 0.40 to 0.54. Correlations were higher for women, younger individuals and participants from the French-speaking and the Italian-speaking parts. Conclusions: The single-item physical activity measure performed at least as well as other physical activity questionnaires. The differences in criterion validity between sub groups indicate that factors such as gender and age should be taken into account when developing physical activity questionnaires and in future validation studies.de_CH
dc.language.isoende_CH
dc.publisherBMJ Publishing Groupde_CH
dc.relation.ispartofBritish Journal of Sports Medicinede_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc610: Medizin und Gesundheitde_CH
dc.titleWhat physical activity surveillance needs : validity of a single-item questionnairede_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Management and Lawde_CH
zhaw.organisationalunitWinterthurer Institut für Gesundheitsökonomie (WIG)de_CH
dc.identifier.doi10.1136/bjsports-2012-092122de_CH
zhaw.funding.euNode_CH
zhaw.issue21de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end1576de_CH
zhaw.pages.start1570de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume48de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.funding.snfSAPALDIA (3CSCO-108796, 3247BO-104283, 3247BO-104288, 3247BO-104284, 3247-065896, 3100-059302, 3200-052720, 3200-042532, 4026-028099, 3233-054996, PDFMP3-123171)de_CH
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Wanner, M., Probst-Hensch, N., Kriemler, S., Meier, F., Bauman, A., & Martin, B. W. (2013). What physical activity surveillance needs : validity of a single-item questionnaire. British Journal of Sports Medicine, 48(21), 1570–1576. https://doi.org/10.1136/bjsports-2012-092122
Wanner, M. et al. (2013) ‘What physical activity surveillance needs : validity of a single-item questionnaire’, British Journal of Sports Medicine, 48(21), pp. 1570–1576. Available at: https://doi.org/10.1136/bjsports-2012-092122.
M. Wanner, N. Probst-Hensch, S. Kriemler, F. Meier, A. Bauman, and B. W. Martin, “What physical activity surveillance needs : validity of a single-item questionnaire,” British Journal of Sports Medicine, vol. 48, no. 21, pp. 1570–1576, 2013, doi: 10.1136/bjsports-2012-092122.
WANNER, Miriam, Nicole PROBST-HENSCH, Susi KRIEMLER, Flurina MEIER, Adrian BAUMAN und Brian W. MARTIN, 2013. What physical activity surveillance needs : validity of a single-item questionnaire. British Journal of Sports Medicine. 2013. Bd. 48, Nr. 21, S. 1570–1576. DOI 10.1136/bjsports-2012-092122
Wanner, Miriam, Nicole Probst-Hensch, Susi Kriemler, Flurina Meier, Adrian Bauman, and Brian W. Martin. 2013. “What Physical Activity Surveillance Needs : Validity of a Single-Item Questionnaire.” British Journal of Sports Medicine 48 (21): 1570–76. https://doi.org/10.1136/bjsports-2012-092122.
Wanner, Miriam, et al. “What Physical Activity Surveillance Needs : Validity of a Single-Item Questionnaire.” British Journal of Sports Medicine, vol. 48, no. 21, 2013, pp. 1570–76, https://doi.org/10.1136/bjsports-2012-092122.


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