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2025-10-01

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cc-by-nc (c) Uyttersprot, A. et al., 2025
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/224240

Psychometric validation of the self-administered French version of the Functioning Assessment Short Test (FAST): Factor structure, reliability, validity, and sociodemographic predictors

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Recurs relacionat

https://doi.org/10.1016/j.ejpsy.2025.100325

Resum

Background and objectives: The Functioning Assessment Short Test (FAST) is widely used to assess psychosocial functioning across psychiatric conditions. Despite extensive international validation, a validated French version of the self-administered FAST is currently lacking. This study aimed to evaluate the psychometric properties of the self-administered French FAST in a general adult population. Methods: A total of 508 French-speaking adults aged 18–65 completed the FAST alongside standardized measures of depression and anxiety. Exploratory and confirmatory factor analyses and bifactor modeling evaluated the original six-factor structure. Reliability was assessed using Cronbach’s alpha and McDonald’s omega. Convergent validity was evaluated through multitrait-multimethod (MTMM) analysis and correlations with depression and anxiety. Generalized additive models (GAMs) examined non-linear associations between symptom severity and FAST scores, controlling for demographic covariates. Results: The original six-factor structure was confirmed, and the bifactor model further supported interpretation of both total and subscale scores. Reliability was strong for the total FAST score (α = .86; ω = .90), whereas subscale reliability (α = .58–.80), with lower values for autonomy, cognitive, and leisure. MTMM analysis demonstrated moderate-to-high monotrait correlations (.51–.84), and moderate correlations with depressive (r =.46) and anxiety (r = .35) symptoms, supporting convergent validity. GAM analyses revealed a non-linear relationship between depressive symptoms and psychosocial impairment (edf = 2.91, F = 19.87, p < .001), alongside significant effects of anxiety (p = .024) and employment status (p = .003). Conclusions: The French self-administered FAST demonstrates robust psychometric properties and appears suitable for assessing psychosocial functioning in general adult populations, though caution is advised when interpreting autonomy, cognitive, and leisure subscales in non-clinical samples until further clinical validation is available.

Matèries

Depressió psíquica, Psicometria, Francès

Matèries (anglès)

Mental depression, Psychometrics, French language

Citació

Col·leccions

Articles publicats en revistes (Medicina)
Articles publicats en revistes (IDIBAPS: Institut d'investigacions Biomèdiques August Pi i Sunyer)

Citació

UYTTERSPROT, Audrey, et al. Psychometric validation of the self-administered French version of the Functioning Assessment Short Test (FAST): Factor structure, reliability, validity, and sociodemographic predictors. The European Journal of Psychiatry. 2025. Vol. 39, num. 4. ISSN 0213-6163. [consulted: 3 of August of 2026]. Available at: https://hdl.handle.net/2445/224240

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