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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 | ||||||
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| 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 | ||||||
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| Divisions: | Schools > School of Social Sciences | ||||||
| Record created by: | Linda Sullivan | ||||||
| Date Added: | 10 Aug 2021 08:41 | ||||||
| Last Modified: | 09 Aug 2022 03:00 | ||||||
| URI: | https://irep.ntu.ac.uk/id/eprint/43863 |
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