Document Detail


Validity of the international physical activity questionnaire in the arctic.
MedLine Citation:
PMID:  23190587     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: Information about physical activity (PA) in Greenland is limited, partly because of a lack of validated instruments in countries with non-Western living conditions. We modified the long form of the International Physical Activity Questionnaire (IPAQ-L) to arctic living conditions. The aim of the study was to compare IPAQ-L estimates with combined accelerometry and heart rate monitoring (ACC + HR) in a population-based study of adult Inuit in Greenland.
METHODS: Cross-sectional data were collected by face-to-face interview and ACC + HR monitoring among Inuit (18 yr and above) in Greenland during 2005-2010 (n = 1508). PA energy expenditure (PAEE) and time spent sedentary and on PA at moderate and vigorous intensity were derived from IPAQ-L and ACC + HR. Estimates were compared using Bland-Altman agreement analysis and Spearman correlations stratified by sex, place of residence (capital, towns, and villages), and age groups.
RESULTS: Questionnaire-based PAEE was moderately correlated with objectively measured PAEE (r = 0.20-0.35, P < 0.01). Self-reported time spent at moderate- and vigorous-intensity PA and time spent sedentary were weakly correlated with the objective measure (r = 0.11-0.31). Agreement analyses showed relatively small median differences for all measures of PA; however, time spent at moderate-intensity PA was substantially overreported by IPAQ-L when including walking (>1.5 h·d, P < 0.001) but not when excluding walking.
CONCLUSIONS: The IPAQ-L adapted to arctic living conditions in Greenland had a moderate level of agreement with combined accelerometry and heart rate monitoring for total PAEE at population level, but it was less valid to measure different intensities of PA and sedentary activity. Validity did not differ markedly between rural and urban communities.
Authors:
Inger Katrine Dahl-Petersen; Andreas Wolff Hansen; Peter Bjerregaard; Marit Eika Jørgensen; Søren Brage
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Validation Studies    
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  45     ISSN:  1530-0315     ISO Abbreviation:  Med Sci Sports Exerc     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-03-20     Completed Date:  2013-11-14     Revised Date:  2014-02-20    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  728-36     Citation Subset:  IM; S    
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MeSH Terms
Descriptor/Qualifier:
Accelerometry
Adolescent
Adult
Arctic Regions
Female
Greenland
Heart Rate
Humans
Inuits
Male
Middle Aged
Motor Activity / physiology*
Physical Exertion / physiology
Questionnaires / standards*
Young Adult
Grant Support
ID/Acronym/Agency:
MC_U106179473//Medical Research Council

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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