Psychometric properties of the Child Health Assessment Questionnaire (CHAQ) applied to children and adolescents with cerebral palsy

Table 5 Discriminant validity: correlation between CHAQ domains and disability index with the scales

CHAQ	Dressing	Arising	Eating	Walking	Hygiene	Reach	Grip	Activities	D. Index	E. pain	E. overall
Dressing	1.00*
Arising	0.29*	1.00*
Eating	0.68*	0.43*	1.00*
Walking	0.43*	0.66*	0.51*	1.00*
Hygiene	0.72*	0.56*	0.66*	0.62*	1.00*
Reach	0.42*	0.47*	0.48*	0.54*	0.55*	1.00*
Grip	0.57*	0.56*	0.65*	0.55*	0.67*	0.44*	1.00*
Activities	0.51*	0.38*	0.46*	0.53*	0.55*	0.33*	0.50*	1.00*
D. Index	0.72*	0.74*	0.78*	0.77*	0.86*	0.69*	0.82*	0.66*	1.00*
E. pain	-0.04	0.05	0.00	0.01	-0.05	0.20	0.08	0.06	0.07	1.00*
E. overall	0.10	0.06	0.09	0.12	0.13	0.07	0.11	0.10	0.17	0.52*	1.00*

*Pearson's correlation coefficient was significant at the 0.01 level
D. Index. = Disability Index; E. pain = Evaluation of pain; E. overall = Evaluation of overall well-being

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