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dc.contributor.author
Wanner, Miriam
dc.contributor.author
Hartmann, Christina
dc.contributor.author
Pestoni, Giulia
dc.contributor.author
Martin, Brian W.
dc.contributor.author
Siegrist, Michael
dc.contributor.author
Martin-Diener, Eva
dc.date.accessioned
2017-09-06T10:12:49Z
dc.date.available
2017-09-06T08:04:32Z
dc.date.available
2017-09-06T10:12:49Z
dc.date.issued
2017
dc.identifier.issn
2055-7647
dc.identifier.other
10.1136/bmjsem-2016-000206
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/183187
dc.identifier.doi
10.3929/ethz-b-000183187
dc.description.abstract
Background/aim Little is known about the measurement properties of the self-administered Global Physical Activity Questionnaire (GPAQ) in Europe. The aim was to validate the self-administered GPAQ against accelerometry in Switzerland in German, French and Italian. Methods Participants of this cross-sectional study were recruited among members of the Swiss Food Panel (German-speaking and French-speaking samples) and as a convenience sample (Italian-speaking sample). They completed the GPAQ and wore an Actigraph GT3X+ accelerometer during 7 days in 2014/2015. GPAQ and accelerometer data on total physical activity and different intensities, as well as sitting time, were compared using Spearman correlations and Bland-Altman plots. Results Complete data were available for 354 participants (50.6% women, mean age: 47.0 years) on physical activity, and for 366 on sitting time. Correlations were highest for vigorous physical activity (r=0.46) and sitting time (r=0.47). A significant sex difference was apparent for vigorous physical activity (men: r=0.35 vs women: r=0.55; p=0.02). Some age differences were present especially for total physical activity, with the lowest correlations found for those aged 60+ years. The correlation for sitting time was significantly higher in the youngest age group (r=0.61) compared with the middle (r=0.38, p=0.01) and the oldest age groups (r=0.37, p=0.03). Total physical activity was 2.8 times higher according to the GPAQ than to accelerometer data. Conclusions The self-administered version of the GPAQ showed fair-to-moderate validity in the three languages tested, both for men and women and individuals aged ≤60 years. For older individuals, a careful interpretation of total physical activity is required. This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.
en_US
dc.language.iso
en
en_US
dc.publisher
BMJ Group
en_US
dc.rights.uri
http://creativecommons.org/licenses/by-nc/4.0/
dc.title
Validation of the Global Physical Activity Questionnaire for self-administration in a European context
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution-NonCommercial 4.0 International
ethz.journal.title
BMJ Open Sport & Exercise Medicine
ethz.journal.volume
3
en_US
ethz.journal.issue
1
en_US
ethz.pages.start
e000206
en_US
ethz.size
10 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.publication.place
London
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02070 - Dep. Gesundheitswiss. und Technologie / Dep. of Health Sciences and Technology::03780 - Siegrist, Michael / Siegrist, Michael
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02070 - Dep. Gesundheitswiss. und Technologie / Dep. of Health Sciences and Technology::03780 - Siegrist, Michael / Siegrist, Michael
en_US
ethz.date.deposited
2017-09-06T08:04:32Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-09-06T10:12:51Z
ethz.rosetta.lastUpdated
2018-11-05T19:18:01Z
ethz.rosetta.versionExported
true
ethz.COinS
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