Articlehybrid2019

Evidence for essential unidimensionality of AUDIT and measurement invariance across gender, age and education. Results from the WIRUS study

Jens Christoffer Skogen · Mikkel Magnus Thørrisen · Espen Olsen · Morten Hesse · Randi Wågø Aas

33 citations0/0 files storedDrug and Alcohol Dependence

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Psychometric Methodologies and Testing Substance Abuse Treatment and Outcomes Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Abstract

INTRODUCTION: 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.

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2012lavaan : An R Package for Structural Equation Modeling 2007Sensitivity of Goodness of Fit Indexes to Lack of Measurement Invariance 2016Measurement invariance conventions and reporting: The state of the art and future directions for psychological research 2012The Rediscovery of Bifactor Measurement Models 2012A checklist for testing measurement invariance 2013Structural Equation Modeling with Mplus 2013Assessing the Hypothesis of Measurement Invariance in the Context of Large-Scale International Surveys 2012Multidimensionality and Structural Coefficient Bias in Structural Equation Modeling

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2023Psychometric properties of the Alcohol Use Disorders Identification Test (AUDIT) across cross-cultural subgroups, genders, and sexual orientations: Findings from the International Sex Survey (ISS)

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