The development and validation of the secondary exercise addiction scale

Trott, M., Johnstone, J., McDermott, D.T. ORCID: 0000-0001-7005-6446, Mistry, A. and Smith, L., 2021. The development and validation of the secondary exercise addiction scale. Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity. ISSN 1124-4909

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Abstract

Objectives: Exercise addiction can be secondary to eating disorders, or a primary condition in the absence of another disorder. Currently, to determine secondary exercise addiction, two screening tools must be administered. The aim of this study was to validate a novel screening tool able to stratify between primary and secondary exercise addiction, called the secondary exercise addiction scale (SEAS).

Methods: Phase 1 (n = 339) described the statistical reduction of an initial pool of scale items. Phase 2 (n = 382) used a confirmatory factor analysis (CFA) to examine the robustness of the latent structure. Phase 3 (n = 721) determined cut off scores for the eating disorder and exercise addiction sections of the SEAS and determine concurrent reliability with the exercise addiction inventory (EAI) and the SCOFF questionnaires. Phase 4 (n = 45) determined test–retest reliability.

Results: Phase 1 extracted two components: exercise addiction and eating disorder symptomology, with 11 items retained. The CFA in Phase 2 showed an acceptable fit to the proposed model (comparative fit index = 0.93, Tucker Lewis Index = 0.91). Phase 3 determined cut off scores of  ≥ 28 (specificity = 91.97%), and  ≥ 20 (specificity = 96.27%) in the respective exercise addiction and eating disorders sections of the SEAS. The respective sections also correlated well with the EAI (r = 0.70, p =  < 0.001) and the SCOFF (r = 0.72, p =  < 0.001). Phase 4 showed excellent test–retest reliability (exercise addiction r = 0.95, p =  < 0.001, eating disorders r = 0.93, p =  < 0.001).

Conclusion: The SEAS appears to be a valid and reliable tool for measuring primary and secondary exercise addiction. Further studies are warranted to further validate this tool amongst clinical populations.

Item Type: Journal article
Publication Title: Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity
Creators: Trott, M., Johnstone, J., McDermott, D.T., Mistry, A. and Smith, L.
Publisher: Springer Science and Business Media LLC
Date: 9 August 2021
ISSN: 1124-4909
Identifiers:
NumberType
10.1007/s40519-021-01284-4DOI
1456368Other
Divisions: Schools > School of Social Sciences
Record created by: Linda Sullivan
Date Added: 10 Aug 2021 08:41
Last Modified: 10 Aug 2021 08:41
URI: http://irep.ntu.ac.uk/id/eprint/43863

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