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, Jean‐Arthur; Weibel, Sébastien; Weiss, Margaret; Gachet, Marie; Guichard, Kelly; Bioulac, Stéphanie; Philip, Pierre; Jaussent, Isabelle; Dauvilliers, Yves; Lopez, Régis

doi:10.1177/1087054718797434

Cited by 9 publications

(13 citation statements)

References 45 publications

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“…This is consistent with clinical research demonstrating that ADHD is highly related to functional impairment in the school arena as well as affecting adolescents' self-esteem [5,6]. This pattern in WFIRS-S is similar to patterns presented in American, French and Japanese validation studies of college students and adults with ADHD [22,24,25]. Unfortunately, there are no comparable studies to date of clinical adolescent ADHD populations; however, a WFIRS-S validation study of Iranian adolescents with no ADHD found results similar to ours, with self-concept being the most impaired domain [23].…”

Section: Discussionsupporting

confidence: 88%

“…The item-to-factor loadings were all above 0.30 which is the minimum standard of itemconvergent validity [51]. The results support the original factor structure in the questionnaires and are in line with validation studies in other languages [19,[21][22][23][24]. For clinical practice, we suggest the first-order solution to be the more relevant model, since the inspection of impairment across different domains is useful both for diagnostic purposes, as well as targeting treatment intervention for the individual patient.…”

Section: Discussionsupporting

confidence: 82%

“…Validation studies of the WFIRS-S using CFA have confirmed a seven-factor solution [22,23], as well as strong internal consistency for the total score and acceptable to a good consistency for the different domains [22][23][24][25]. One study found low to moderate cross-informant reliability between a student sample and collateral reporters on a revised collateral version [25].…”

Section: Introductionmentioning

confidence: 95%

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Psychometric properties of the Weiss Functional Impairment Rating Scale parent and self-reports in a Norwegian clinical sample of adolescents treated for ADHD

Haugan

Sund

Thomsen

et al. 2020

Nordic Journal of Psychiatry

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Objective: To analyze the psychometric properties of the Norwegian version of the Weiss Functional Impairment Rating Scale parent and self-reports (WFIRS-P and WFIRS-S) in adolescents with ADHD. Methods: 102 clinically referred patients, of which 86% were enrolled in an ongoing RCT program (Clinical trials NCT02937142), were diagnosed with ADHD according to the Diagnostic and Statistical Manual of Mental Disorders version IV (DSM-IV). The conceptual framework of the WFIRS-P and the WFIRS-S was evaluated using confirmatory factor analysis (CFA), reliability was estimated using Cronbach's alpha, convergent and divergent validity was assessed using correlations with the Children's Global Assessment Scale (C-GAS) and the ADHD Rating Scale-IV (ADHD-RS-IV). Results: CFA supported the original factor structure of the questionnaires, both a first-order and a second-order model revealed acceptable model fit. Internal consistency was satisfactory across domains. The parent-adolescent agreement was moderate. The correlations between the C-GAS and the total scores of the WFIRS-P and WFIRS-S were low to moderate (r ¼ -0.29 to À0.38). The ADHD-RS-IV correlated moderately (r ¼ 0.49) with WFIRS-P, the correlation with WFIRS-S was weak (r ¼ 0.28) supporting divergent validity. In multiple regression analyses, the ADHD-RS total score was the strongest predictor of the total score in both the WFIRS questionnaires, with internalizing disorder showing an additional small contribution. Age, gender and full-scale IQ gave no additional contribution in explaining the variance. Conclusions: The findings support the use of the Norwegian version of the WFIRS-S and the WFIRS-P in the evaluation of functional impairment in adolescents with ADHD.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 82%

Section: Introductionmentioning

confidence: 95%

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Psychometric properties of the Weiss Functional Impairment Rating Scale parent and self-reports in a Norwegian clinical sample of adolescents treated for ADHD

Haugan

Sund

Thomsen

et al. 2020

Nordic Journal of Psychiatry

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“…Psychometric properties of the WFIRS-S, including construct validity, internal structural validity, and external validity, have been tested in several studies [42,43]. Cronbach's alpha coefficients obtained for the overall scale have been high (.91).…”

Section: Functional Impairmentmentioning

confidence: 99%

Empirical examination of executive functioning, ADHD associated behaviors, and functional impairments in adults with persistent ADHD, remittent ADHD, and without ADHD

et al. 2020

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Background: Previous studies suggest that childhood attention deficit hyperactivity disorder (ADHD) may continue in adulthood, producing adverse effects. Therefore, identifying factors that help to differentiate characteristics of ADHD persistence and remission has practical implications for evaluation and treatment. The first aim of this study was to analyze differences in executive functions (shift, working memory, inhibition, and plan/organize), symptoms associated with ADHD (inattention, hyperactivity, emotional lability, and self-concept), and functional impairments in adults with persistent ADHD (ADHD-P), with remittent ADHD (ADHD-R), and without ADHD (N-ADHD). The second aim was to study the contribution of functional impairments in these three groups based on executive functions and associated ADHD behaviors. Methods: Participants were 115 adults, 61 with a childhood ADHD diagnosis (40 persisters and 21 remitters) and 54 individuals with typical development. Self-reports were collected on executive functions, symptoms associated with ADHD, and functional impairments. Multivariate Analyses of Variance were conducted to test differences between the ADHD-P, ADHD-R, and N-ADHD groups on the evaluated variables. In addition, analyses were performed using two structural equation models with observed variables (path analyses). Results: The results indicated that significant executive and behavioral impairments and adverse functional outcomes in different life domains are related to the diagnostic persistence of ADHD. Recovery from the disorder is associated with better results, although hyperactivity/restlessness behaviors and plan/organize deficits continue to be present in remitter individuals.

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“…The WFIRS 16 is a self-report scale, designed to assess ADHD-related functional impairment in seven domains that are clinically relevant to ADHD in adulthood, including home, self-concept, learning & work, activities of daily living (ADLs), social activities, and risky activities 16,18,19 . These domains are likely to represent the target for treatment, meaning the use of the scale before and after treatment can determine improvements in the service user's ADHD, as well as whether functional difficulties have been alleviated 19 .…”

Section: Methodsmentioning

confidence: 99%

A Service Evaluation to Determine the Efficacy of a Specialist Service for Adults with Attention-Deficit Hyperactivity Disorder in Norfolk and Waveney

Wilson

Riches

2020

Preprint

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Rationale, aims & objectives: This evaluation was carried out in order to determine the efficacy of the Norfolk and Waveney Adult ADHD Service. With the service not commissioned to offer non-pharmacological support, and with a gap in the research literature, evidence on whether the service model was effective at reducing the impact of ADHD symptoms on service users was needed in order to justify longer term commissioning. Method: Case notes of 113 individuals going through their medication titration process were observed. Scores from the Weiss Functional Impairment Rating Scale (WFIRS), which was routinely collected in the service pre- and post- titration onto ADHD medication, were recorded for comparison. Results: A T test revealed significant improvements in functioning across all domains of the WFIRS after successful titration onto ADHD medication. However, 19.5% of the sample disengaged from the service prior to completing titration. A further 12.5% of the sample did not complete titration due to various factors discussed. Conclusion: While medication has been shown to be effective at improving impairment of functioning in adults with ADHD, high levels of disengagement suggest that more needs to be offered to this population.

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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

Abstract: 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.

Cited by 9 publications

References 45 publications

Psychometric properties of the Weiss Functional Impairment Rating Scale parent and self-reports in a Norwegian clinical sample of adolescents treated for ADHD

Psychometric properties of the Weiss Functional Impairment Rating Scale parent and self-reports in a Norwegian clinical sample of adolescents treated for ADHD

Empirical examination of executive functioning, ADHD associated behaviors, and functional impairments in adults with persistent ADHD, remittent ADHD, and without ADHD

A Service Evaluation to Determine the Efficacy of a Specialist Service for Adults with Attention-Deficit Hyperactivity Disorder in Norfolk and Waveney

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