Skip to main content

Table 4 Relationship between WFIRS-P domain scores and summary index and ADHD criterion measures (ADHD-RS and CGI–S)

From: Psychometric validation of the Weiss Functional Impairment Rating Scale-Parent Report Form in children and adolescents with attention-deficit/hyperactivity disorder

A. Baseline
  Sample 1 Sample 2
  ADHD-RS-IV CGI–S ADHD-RS-IV CGI–S
  Total Inattention Hyperactivity Impulsivity Total Inattention Hyperactivity Impulsivity
Scale rho rho rho rho rho rho rho rho
Family domain 0.37 0.35 0.17 0.29 0.34 0.32 0.10 0.25
Learning and School domain 0.26 0.21 0.21 0.17 0.31 0.21 0.22 0.16
Life Skills domain 0.25 0.22 0.21 0.15 0.21 0.12 0.20 0.10
Child’s Self-Concept domain 0.11 0.07 0.11 0.15 0.02ns 0.01ns 0.07a 0.07
Social Activities domain 0.28 0.29 0.09 0.23 0.26 0.25 0.11 0.23
Risky Activities domain 0.25 0.28 0.10 0.19 0.28 0.26 0.10 0.18
WFIRS-P summary index 0.38 0.35 0.20 0.26 0.35 0.31 0.20 0.24
B. Follow-up
  Sample 1 Sample 2
  ADHD-RS-IV CGI-S ADHD-RS-IV CGI-S
  Total Inattention Hyperactivity Impulsivity Total Inattention Hyperactivity Impulsivity
Scale rho rho rho rho rho rho rho rho
Family domain 0.45 0.42 0.41 0.36 0.47 0.46 0.41 0.43
Learning and School domain 0.52 0.41 0.50 0.41 0.50 0.44 0.47 0.44
Life Skills domain 0.41 0.33 0.41 0.34 0.36 0.33 0.38 0.34
Child’s Self-Concept domain 0.26 0.20 0.24 0.19 0.25 0.20 0.26 0.26
Social Activities domain 0.39 0.37 0.33 0.27 0.37 0.36 0.32 0.31
Risky Activities domain 0.35 0.37 0.26 0.29 0.41 0.41 0.33 0.35
WFIRS-P summary index 0.55 0.49 0.51 0.43 0.53 0.50 0.48 0.48
  1. All correlations are statistically significant with p < 0.001 unless noted otherwise; ap < 0.05; ns = not significant
  2. ADHD attention-deficit/hyperactivity disorder, ADHD-RS-IV ADHD Rating Scale Version IV, CGI–S Clinical Global Impression–Severity, r Pearson correlation coefficient, rhoSpearman rank correlation, WFIRS-P Weiss Functional Impairment Rating Scale-Parent Report Form