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dc.contributor.authorSkogen, Jens Christoffer
dc.contributor.authorThørrisen, Mikkel Magnus
dc.contributor.authorOlsen, Espen
dc.contributor.authorHesse, Morten
dc.contributor.authorAas, Randi Wågø
dc.identifier.citationSkogen, J.C., Thørrisen, M.M., Olsen, E. et al. (2019) Evidence for essential unidimensionality of AUDIT and measurement invariance across gender, age and education. Results from the WIRUS study. Drug and Alcohol Dependence, 202, pp. 87-92.nb_NO
dc.description.abstractIntroduction: Globally, alcohol use is among the most important risk factors related to burden of disease, and commonly emerges among the ten most important factors. Also, alcohol use disorders are major contributors to global burden of disease. Therefore, accurate measurement of alcohol use and alcohol-related problems is important in a public health perspective. The Alcohol Use Identification Test (AUDIT) is a widely used, brief ten item screening instrument to detect alcohol use disorder. Despite this the factor structure and comparability across different (sub)-populations has yet to be determined. Our aim was to investigate the factor structure of the AUDIT-questionnaire and the viability of specific factors, as well as assessing measurement invariance across gender, age and educational level. Methods: We employed data (N=4,318) from the ongoing screening study in the Norwegian national WIRUS project. We used Confirmatory Factor Analysis (CFA) to establish the factor structure of the AUDIT. Next, we investigated the viability of specific factors in a bi-factor model, and assessed measurement invariance of the preferred factor structure. Results: Our findings indicate the AUDIT is essentially unidimensional, and that comparisons can readily be done across gender, age and educational attainment. Conclusion: We found support for a one-factor structure of AUDIT. To the best of our knowledge, this is the first study to investigate the viability of specific factors in a bi-factor model as well as evaluating measurement invariance across gender, age and educational attainment for the AUDIT questionnaire. Therefore, further studies are needed to replicate our findings related to essential unidimensionality.nb_NO
dc.publisherElsevier B.V.nb_NO
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.subjectalkoholbruk i arbeidslivetnb_NO
dc.subjectAlcohol Use Identification Test (AUDIT)nb_NO
dc.titleEvidence for essential unidimensionality of AUDIT and measurement invariance across gender, age and education. Results from the WIRUS studynb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.rights.holder© 2019 The Authorsnb_NO
dc.subject.nsiVDP::Medical disciplines: 700nb_NO
dc.source.journalDrug and Alcohol Dependencenb_NO
dc.relation.projectUniversitetet i Stavanger: IN-11551nb_NO
dc.relation.projectNorges forskningsråd: 260640nb_NO
cristin.unitnameAvdeling for folkehelse
cristin.unitnameAvd. for innovasjon, led. og mark.føring

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