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Factorial validity and invariance testing of the exercise dependence scale-revised in Swedish and Portuguese exercisers
Högskolan i Halmstad, Akademin för hälsa och välfärd, Centrum för forskning om välfärd, hälsa och idrott (CVHI). Department of Psychology, University of Gothenburg, Gothenburg, Sweden.ORCID-id: 0000-0002-2066-6235
Study Center in Exercise and Health, Universidade Lusófona de Humanidades e Tecnologias, Lisboa, Portugal.
2009 (Engelska)Ingår i: Measurement in Physical Education and Exercise Science, ISSN 1091-367X, E-ISSN 1532-7841, Vol. 13, nr 3, s. 166-179Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The present study investigated the factorial validity and factorial invariance of the 21-item Exercise Dependence Scale-Revised using 162 Swedish and 269 Portuguese exercisers. In addition, the prevalence of exercise dependence symptoms and links to exercise behavior, gender, and age in the two samples was also studied. Confirmatory factor analyses demonstrated that the hypothesized 7-factor model made a good fit to data in both samples. Multi-sample analyses supported partial measurement invariance across the samples; only factor loadings involving items 3 and 19 were noninvariant. The "Reduction in Other Activities" and "Lack of Control" factors were the most problematic scales in terms of average variance explained and reliability measures of weighted omega and Cronbach’s alpha. In total, 9.2% of the Swedish sample and 5.2% of the Portuguese sample were classified as at risk for exercise dependence. Overall, the results support the factorial validity of the translated Exercise Dependence Scale-Revised in samples outside North-America, although more research is needed. Copyright © Taylor & Francis Group, LLC.

Ort, förlag, år, upplaga, sidor
Philadelphia, PA: Routledge, 2009. Vol. 13, nr 3, s. 166-179
Nyckelord [en]
exercise dependence, factorial validity, factorial invariance
Nationell ämneskategori
Idrottsvetenskap Tillämpad psykologi
Identifikatorer
URN: urn:nbn:se:hh:diva-37565DOI: 10.1080/10913670903050313Scopus ID: 2-s2.0-68649092801OAI: oai:DiVA.org:hh-37565DiVA, id: diva2:1232702
Forskningsfinansiär
Centrum för Idrottsforskning
Anmärkning

Funding: The present study was financially supported by The Swedish National Center for Research in Sports (CIF) and the Portuguese Sports Institute (IDP).

Tillgänglig från: 2018-07-12 Skapad: 2018-07-12 Senast uppdaterad: 2024-01-23Bibliografiskt granskad

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Lindwall, Magnus

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Measurement in Physical Education and Exercise Science
IdrottsvetenskapTillämpad psykologi

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