Validation of the French Version of the Weiss Functional Impairment Rating Scale–Self-Report in a Large Cohort of Adult Patients With ADHD
J Atten Disord. 2018-09-07; : 108705471879743
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Validation of the French Version of the Weiss Functional Impairment Rating
Scale-Self-Report in a Large Cohort of Adult Patients With ADHD.
Micoulaud-Franchi JA(1)(2), Weibel S(3)(4), Weiss M(5)(6), Gachet M(7), Guichard
K(1)(2), Bioulac S(1)(2), Philip P(1)(2), Jaussent I(8), Dauvilliers Y(8)(9),
(1)1 University Hospital of Bordeaux, France.
(2)2 University of Bordeaux, France.
(3)3 University Hospital of Strasbourg, France.
(4)4 Inserm U1114, Strasbourg, France.
(5)5 University of Arkansas for Medical Sciences, Little Rock, USA.
(6)6 University of British Columbia, Vancouver, Canada.
(7)7 Hôpital Lapeyronie Montpellier, France.
(8)8 Inserm U1061, Montpellier, France.
(9)9 Gui de Chauliac Hospital, Montpellier, France.
OBJECTIVE: To analyze the psychometric properties of the French version of the
Weiss Functional Impairment Rating Scale-Self Report (WFIRS-S) in a large
clinical sample of adults with ADHD.
METHOD: Patients ( N = 363) were diagnosed with ADHD according to the Diagnostic
and Statistical Manual of Mental Disorders (5th ed.; DSM-5) criteria.
Psychometric properties of the French version of the WFIRS-S were tested
including construct validity with a confirmatory factor analysis, internal
structural validity with Cronbach’s alpha coefficient, external validity by
correlations with the Beck Depression Inventory-II (BDI-II), and the EuroQol
five-dimension (EQ-5D) questionnaire.
RESULTS: The confirmatory factor analysis found the following: root mean square
error of approximation (RMSEA) = 0.061, 90% confidence interval (CI) = [0.058,
0.063]; comparative fit index (CFI) = 0.67. Cronbach’s alpha coefficient was .91.
Correlations with EQ-5D descriptive index, visual analogue scale (VAS) scores,
and BDI-II scores were -0.48, -0.55, and 0.53, respectively.
CONCLUSION: The French version of the WFIRS-S is a psychometrically acceptable
self-reported questionnaire for the multi-domain evaluation of functional
impairments in adults with ADHD, for research and clinical purposes.