The Weiss Functional Impairment Rating Scale-Parent Form for assessing ADHD: evaluating diagnostic accuracy and determining optimal thresholds using ROC analysis

Thompson, Trevor; Lloyd, Andrew; Joseph, Alain; Weiss, Margaret

doi:10.1007/s11136-017-1514-8

Cited by 46 publications

(56 citation statements)

References 19 publications

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“…Based on the descriptive findings of this study, the mean total score of the WFIRS-P was 0.27 which means that the majority of parents see their children as having mimimal difficulty. This finding was not unexpected in a normal sample of children and is consistent with previous studies on the WFIRS-P [ 11 , 19 ] and one study on the WFIRS-S [ 7 ]. In Thompson et al’s study [ 19 ] in an ADHD group and a non-ADHD control group, the mean total score of the WFIRS-P was 0.37 in the control group and in Tarakçıoğlu et al’s study [ 11 ] in a sample of children with ADHD and healthy children, the mean total score of the scale was 0.15 in healthy group.…”

Section: Discussionsupporting

confidence: 92%

Descriptive and psychometric properties of the Persian version of the Weiss functional impairment rating scale: parent report form in Iranian children

Kiani

Hadianfard

Weiss

2018

Health Qual Life Outcomes

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BackgroundThis study evaluates the descriptive and psychometric properties of the Persian version of the Weiss Functional Impairment Rating Scale-Parent Report Form (WFIRS-P) in a normal sample of Iranian children.MethodParents of 282 students (grades 1–6) completed the WFIRS-P. Means and standard deviations were computed for the total scale, each domain, and each item of the WFIRS-P. Internal consistency, interdomain correlations, and test-retest reliability were used to assess the reliability of the scale.ResultsAmong the WFIRS-P domains, life skills had the highest rated impairment (M = 0.50, SD = 0.37) and risky activities had the lowest. Internal consistency (α = .88) and test-retest reliability (r = 0.77) were strong for the WFIRS-P total scale. The correlation between the WFIRS-P domains and the total scale ranged from 0.52 to 0.81.ConclusionsResults suggest that the Persian version of the WFIRS-P is a useful and psychometrically reliable measure for assessing functional skills in children.

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Section: Discussionsupporting

confidence: 92%

Descriptive and psychometric properties of the Persian version of the Weiss functional impairment rating scale: parent report form in Iranian children

Kiani

Hadianfard

Weiss

2018

Health Qual Life Outcomes

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“…This can be considered a reasonable and empirically derived definition of a clinically significant improvement. The receiver operating characteristics that differentiate patients with ADHD from community controls with the optimal area under the curve is a mean score of 0.65 (Thompson et al 2017 ). Since this represents a value that places the patient in a domain of functional impairment no different from the population without ADHD, it is a reasonable and empirically derived definition of functional remission.…”

Section: Methodsmentioning

confidence: 99%

Relationship Between Symptomatic and Functional Improvement and Remission in a Treatment Response to Stimulant Trial

Weiss

Childress

Mattingly

et al. 2018

Journal of Child and Adolescent Psychopharmacology

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Objective: To evaluate the relationship between symptom and functional improvement and remission in children and adolescents with attention-deficit/hyperactivity disorder (ADHD) enrolled in an 11-week open-label dose-optimization phase of an methylphenidate extended release (MPH-MLR) pivotal study.Methods: Assessments included the Weiss Functional Impairment Rating Scale-Parent (WFIRS-P) and ADHD Rating Scale, Fourth Edition (ADHD-RS-IV). Definitions included the following: symptom improvement (≥30% decrease in ADHD-RS-IV total score); symptom remission (ADHD-RS-IV total score ≤18); functional improvement (decrease in WFIRS-P total score ≥0.25 [minimally important difference]); and functional remission (WFIRS-P total score ≤0.65).Results: Two hundred children completed the open-label phase. At initial assessment, functional impairment was evident across all WFIRS-P domains and similar between children and adolescents. Those who were treatment naive had more functional impairment (WFIRS-P total: 0.82 vs. 0.70, p = 0.02). Significant improvements in all WFIRS-P domains were noted at open-label end (p < 0.001), with the largest improvement in Learning. At open-label end, 94% of children and adolescents demonstrated symptom improvement, of which 57% also showed functional improvement, and 75% of children and adolescents showed symptom remission, of which 81% also showed functional remission.Conclusions: Children and adolescents treated with MPH-MLR showed moderate-to-large improvement in functioning during 3 months of treatment, both overall and in specific domains. However, a significant number of those who would be considered symptomatic responders failed to show improvement in functioning or continue to have significant functional impairment. Treatment with MPH-MLR showed that both symptomatic and functional remission are achievable goals. Identification of children and adolescents who have been successfully treated for their symptoms, but continue to suffer functional impairment, will allow us to offer additional targeted treatment interventions over and above medication to address residual difficulties.

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“…WFIRS-P was a rating scale for evaluating social function of children with ADHD. 23 , 24 The WFIRS-P contained 50 items organized into the functional domains of Family, Child’s Self-Concept, Learning & School, Social Activities, Life Skills, and Risky Activities, with possible responses to items using a four-point Likert scale (0=Never or not at all, 3=Very often or very much). In each subscale, two or more item scores ≥2, one item score of 3, or a mean score >1.5 would indicate impairment.…”

Section: Methodsmentioning

confidence: 99%

Involvement of family environmental, behavioral, and social functional factors in children with attention-deficit/hyperactivity disorder

Huang

et al. 2018

PRBM

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BackgroundThe objective of this study was to investigate relationships among family environmental characteristics, behavior problems, and social function impairments in children with ADHD.MethodsAmong children from four primary schools in Shantou city of China, 132 who were diagnosed with ADHD were selected and 138 typically developing children were recruited from the same schools. These children were evaluated using the self-designed questionnaire, FES-CV, CPRS, CTRS, and WFIRS-P for familial environment, behavioral problems, and social function impairment measures. In addition, children’s behavioral problems and functional impairments were evaluated using self-established field behavior observation method. Logistic regression model was used to estimate ORs and 95% CIs for ADHD risk with family environmental factors.ResultsIn the unconditional logistic model, ADHD risk in children was increased with parents’ worse educational level, occupational status, and emotional stability with trend. Children with ADHD had lower scores on most subscales of FES-CV (P<0.01) but higher scores on Conflict subscale (P<0.001). Children with ADHD showed impairments on all the six WFIRS-P subscales tests (all P<0.001), and higher scores on the CPRS and CTRS scale subscales representing behavioral symptoms (all P<0.001 except Somatic Complaints), and more behavioral problems and functional impairments.ConclusionCompared with typically developing children, children with ADHD had worse family environment. Family characteristics especially parents’ emotional unstability, lower education levels, and worse occupation status may increase ADHD risk in children. In addition, the behavioral problems and social functional impairments may interact with adverse family environmental factors in children with ADHD. Therefore, early interventions with focus onto the compromising factors can be useful for improving the social-behavioral functions of children with ADHD.

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The Weiss Functional Impairment Rating Scale-Parent Form for assessing ADHD: evaluating diagnostic accuracy and determining optimal thresholds using ROC analysis

Cited by 46 publications

References 19 publications

Descriptive and psychometric properties of the Persian version of the Weiss functional impairment rating scale: parent report form in Iranian children

Descriptive and psychometric properties of the Persian version of the Weiss functional impairment rating scale: parent report form in Iranian children

Relationship Between Symptomatic and Functional Improvement and Remission in a Treatment Response to Stimulant Trial

Involvement of family environmental, behavioral, and social functional factors in children with attention-deficit/hyperactivity disorder

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