Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/49093
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dc.contributor.authorMartínez-González, Miguel Angelen_US
dc.contributor.authorLópez-Fontana, Constanzaen_US
dc.contributor.authorVaro, José Javieren_US
dc.contributor.authorSánchez-Villegas, Almudenaen_US
dc.contributor.authorMartinez, J. Alfredoen_US
dc.date.accessioned2018-11-24T04:00:34Z-
dc.date.available2018-11-24T04:00:34Z-
dc.date.issued2005en_US
dc.identifier.issn1368-9800en_US
dc.identifier.urihttp://hdl.handle.net/10553/49093-
dc.description.abstractObjective: The objective of this analysis was to test the validity of the estimates of energy expenditure and sedentary lifestyle obtained through a self-administered questionnaire of physical activity for Spanish-speaking people adapted from US questionnaires (Nurses' Health Study and Health Professionals' Follow-up Study) using a triaxial accelerometer (RT3 Triaxial Research Tracker) as the reference.Design and setting: Validation study, calculating the non-parametric correlation coefficients between the level of physical activity and sedentary lifestyle collected by the self-administered questionnaire and the triaxial accelerometer measurements. Percentage of misclassification and kappa coefficients were also calculated.Subjects: The study population consisted of a sample of 40 obese women who were participants of the SUN (Seguimiento Universidad de Navarra) project (a prospective cohort study among Spanish university alumni). They were selected because of their peculiar metabolic characteristics, in the search for a sub-optimal scenario for validity.Results: Physical activity during leisure time (estimated as MET-h week(-1)) derived from the self-administered questionnaire moderately correlated with kcal day(-1) assessed through the accelerometer (Spearman's rho=0.507, 95% confidence interval (CI) 0.232, 0.707). The Spearman correlation between the ratio of sedentary lifestyle to physical activity obtained through the questionnaire and the direct estimation (RT3) was -0.578 (95% CI -0.754, -0.325). The kappa index was 0.25 (P=0.002) when assessing the cross-classification into quintiles and 0.41 for the dichotomous estimation of a sedentary lifestyle. Only 2.5% of participants were misclassified by the questionnaire more than two quintiles apart from the estimates of the RT3.Conclusions: The moderate values obtained for correlation in a sub-optimal scenario for validity and the low percentage of extreme misclassification suggest the validity of the questionnaire to assess physical activity in Spanish-speaking women aged 20-50 years.en_US
dc.languageengen_US
dc.relation.ispartofPublic Health Nutritionen_US
dc.sourcePublic Health Nutrition[ISSN 1368-9800],v. 8, p. 920-927 (Octubre 2005)en_US
dc.subject32 Ciencias médicasen_US
dc.subject3212 Salud públicaen_US
dc.subject.otherTriaxial Accelerometeren_US
dc.subject.otherEnergy-Expenditureen_US
dc.subject.otherOverweight Womenen_US
dc.subject.otherSelf-Reporten_US
dc.subject.otherValidityen_US
dc.subject.otherRisken_US
dc.subject.otherReproducibilityen_US
dc.subject.otherPopulationen_US
dc.subject.otherInactivityen_US
dc.subject.otherProjecten_US
dc.titleValidation of the Spanish version of the physical activity questionnaire used in the Nurses' Health Study and the Health Professionals' Follow-up Studyen_US
dc.typeinfo:eu-repo/semantics/Articleen_US
dc.typeArticleen_US
dc.identifier.doi10.1079/PHN2005745en_US
dc.identifier.scopus23844547678-
dc.identifier.isi000233097000016-
dc.contributor.authorscopusid7004290629-
dc.contributor.authorscopusid12244096900-
dc.contributor.authorscopusid6602833222-
dc.contributor.authorscopusid6602876903-
dc.contributor.authorscopusid57205314636-
dc.contributor.authorscopusid7404311833-
dc.description.lastpage927en_US
dc.description.firstpage920en_US
dc.relation.volume8en_US
dc.investigacionCiencias de la Saluden_US
dc.type2Artículoen_US
dc.contributor.daisngid17754-
dc.contributor.daisngid4686863-
dc.contributor.daisngid4422285-
dc.contributor.daisngid289030-
dc.contributor.daisngid14474-
dc.description.numberofpages8en_US
dc.utils.revisionen_US
dc.contributor.wosstandardWOS:Martinez-Gonzalez, MA-
dc.contributor.wosstandardWOS:Lopez-Fontana, C-
dc.contributor.wosstandardWOS:Varo, JJ-
dc.contributor.wosstandardWOS:Sanchez-Villegas, A-
dc.contributor.wosstandardWOS:Martinez, JA-
dc.date.coverdateOctubre 2005en_US
dc.identifier.ulpgcen_US
dc.contributor.buulpgcBU-MEDen_US
dc.description.jcr1,918-
dc.description.jcrqQ2-
dc.description.scieSCIE-
item.grantfulltextnone-
item.fulltextSin texto completo-
crisitem.author.deptGIR IUIBS: Nutrición-
crisitem.author.deptIU de Investigaciones Biomédicas y Sanitarias-
crisitem.author.orcid0000-0001-7733-9238-
crisitem.author.parentorgIU de Investigaciones Biomédicas y Sanitarias-
crisitem.author.fullNameSánchez Villegas,Almudena-
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