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 3 Goodness-of-fit indices ^a and Cronbach’s alpha for the KIDSCREEN-52 proxy version (n = 639)

Scales	P (χ ² )	RMSEA	AGFI	TLI	CFI	Alpha
Physical well-being	.023	.054	.974	.984	.993	.82
Psychological well-being	.012	.052	.971	.989	.996	.89
Mood	.007	.057	.963	.964	.978	.82
Self-perception	.085	.041	.981	.988	.995	.77
Autonomy	.005	.066	.965	.971	.988	.80
Parent relations	.179	.027	.984	.995	.998	.84
Financial resources^b						.86
Social support and peers	<.001	.074	.988	.975	.992	.88
School environment	.003	.060	.964	.980	.992	.85
Bullying^b						.79
Kidscreen, 9 scales	<.001	.051	.959	.972	.981	.86
Kidscreen, 10 scales	<.001	.058	.945	.958	.970	.83

^aIndices: chi-square (χ²), the root mean square error of approximation (RMSEA), goodness of fit index (AGFI), Tucker–Lewis index (TLI), and comparative fit index (CFI).
^bScales (Finance and Bullying) with only three items each were not included in the CFA.

ISSN: 1477-7525