A cross-sectional study of Health Related Quality of Life and body mass index in a Norwegian school sample (8–18 years): a comparison of child and parent perspectives

Table 2 Bivariate correlations between HRQoL and gender, age, and overweight, and explained variance of gender, age and overweight on HRQoL (n = 1066)

	Bivariate correlations			Model 1			Model 2		Model 3
Scales	Gender	Age	Overweight	R ²	Gender ^a	Age ^a	R ²	Interaction gender and age ^a	R ²	Overweight ^a
Physical well-being	.15	–.24	–.14	0.080	0.022	0.058	0.085	0.005	0.099	0.019
Psychological well-being	.08	–.28		0.086	0.006	0.080	0.088		0.087
Mood	.11	–.17		0.040	0.013	0.027	0.050	0.010	0.041
Self-perception	.29	–.38	–.07	0.228	0.082	0.146	0.246	0.018	0.232	0.004
Autonomy	.11	–.29		0.094	0.012	0.082	0.103	0.009	0.096
Parent relations		–.23		0.054		0.051	0.055		0.054
Financial resources		.10		0.011		0.010	0.011		0.012
Social support and peers	–.09	–.14		0.027	0.008	0.018	0.028		0.027
School environment		–.42		0.182	0.003	0.179	0.182		0.183
Bullying		.19		0.035		0.035	0.036		0.036

Correlation between gender and age, r = .001, p = .995.
Only significant (p < .05) results are shown in the table.
^aunique contribution.
Model 1: Gender and age with the unique contributions of gender and age in addition to total R².
Model 2: Gender, age, and interaction between gender and age with the unique contribution of the interaction in addition to total R².
Model 3: Gender, age, and overweight with the unique contribution of overweight in addition to total R².

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