Health-related quality of life among children with mental health problems: a population-based approach

Table 4 Multiple linear regression analyses on parent- and child-reported ‘school environment’ with and without controlling for item overlap

	Without correction for item overlap		Excluding one overlapping item		Excluding two overlapping item
	Parent report	Child report	Parent report	Child report	Parent report	Child report
	β	β	β	β	β	β
Health status
Healthy controls (reference)
Children with attention deficits	-.190^**	-.262^***	-.181^**	-.221^**	-.134^*	-.158^*
CSHCN with physical health problems	.085	-.108	.054	-.082	.055	-.072
Severity	-.222^***	.036	-.172^*	.012	-.142^*	.017
Medication	.047	.087^*	.047	.076	.010	.060
Female gender	.093^***	.042	.090^***	.054	.105^***	.063^*
Non-Swiss nationality	.014	.054	.016	.053	.034	.065^*
R ² *adjusted*	.128	.040	.095	.035	.072	.020
F	31.51	8.82	23.00	7.76	17.26	4.78
df	6, 1246	6, 1115	6, 1246	6, 1115	6, 1246	6, 1115
p	<.001	<.001	<.001	<.001	<.001	<.001

Note: Both significant and non significant standardized betas are reported; * = p ≤ .05; ** = p ≤ .01 *** = p ≤ .001; Coding severity: no problem (healthy controls; 0) – very severe (5).

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