Measurement invariance of the exercise addiction inventory according to eating disorder risk status

Alcaraz-Ibáñez, M, Paterna, A, Griffiths, MD ORCID: https://orcid.org/0000-0001-8880-6524 and Demetrovics, ?Z, 2024. Measurement invariance of the exercise addiction inventory according to eating disorder risk status. International Journal of Mental Health and Addiction, 22 (3), pp. 1452-1462. ISSN 1557-1874

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Abstract

The comparison of self-reported levels of risk of exercise addiction between individuals at-risk and not-at-risk of thinness-related eating disorders (EDs) has been an increasing topic of research. However, among these two population groups, there is a lack of evidence to support the invariant nature of the Exercise Addiction Inventory (EAI), one of the most utilized self-report instruments that assesses the risk of exercise addiction. The main aim of the present study was to provide evidence concerning the invariant nature of the EAI scores in terms of thinness-related EDs' risk status. Data from 1187 Spanish undergraduate regular exercisers aged from 18 to 30 years (M age = 20.92, SD age = 2.48) were analyzed employing multigroup confirmatory factor analysis (CFA) techniques. Results provided evidence of configural, metric, partial scalar (intercept of Item 1 freed up), and strict invar-iance of the EAI scores according to EDs' risk status. Findings of the present study support the employment of the EAI for the purpose of conducting reasonably unbiased comparisons in self-reported levels of exercise addiction between individuals at risk and not at risk for EDs.

Item Type:	Journal article
Publication Title:	International Journal of Mental Health and Addiction
Creators:	Alcaraz-Ibáñez, M., Paterna, A., Griffiths, M.D. and Demetrovics, ?.Z.
Publisher:	Springer Verlag
Date:	June 2024
Volume:	22
Number:	3
ISSN:	1557-1874
Identifiers:	Number Type 10.1007/s11469-022-00936-5 DOI 1612600 Other
Rights:	This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s11469-022-00936-5
Divisions:	Schools > School of Social Sciences
Record created by:	Laura Ward
Date Added:	21 Oct 2022 09:15
Last Modified:	01 Jul 2024 15:54
URI:	https://irep.ntu.ac.uk/id/eprint/47289

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