Deriving the PedsUtil health state classification system to measure health utilities for pediatric populations based on the PedsQL: a confirmatory factor analysis

Table 6 Fit indices for re-specified model D^a

Fit Indices	Children with Special Healthcare Needs						Typically Functioning Children
Fit Indices	6/7 years	8/9 years	10/11 years	12/13 years	14/15 years	16/17 years	6/7 years	8/9 years	10/11 years	12/13 years	14/15 years	16/17 years
RMSEA	0.072	0.076	0.074	0.076	0.074	0.074	0.061	0.065	0.062	0.060	0.071	0.067
RMSEA 90% CI	0.068–0.075	0.073–0.080	0.071–0.077	0.072–0.079	0.069–0.079	0.069–0.079	0.060–0.063	0.063–0.067	0.061–0.064	0.058–0.061	0.068–0.073	0.064–0.070
CFI	0.963	0.954	0.965	0.961	0.971	0.964	0.970	0.960	0.971	0.968	0.973	0.965
TLI	0.955	0.945	0.958	0.954	0.965	0.957	0.965	0.952	0.966	0.962	0.968	0.958

Abbreviations RMSEA root mean square error of approximation; CFI comparative fit index; TLI Tucker-Lewis index; CI confidence interval
^aModel D re-specified by cross-loading items Soc 1 (“getting along with others”), Soc 4 (“unable to do things others can do”), and Soc 5 (“keeping up with other children”) onto the Physical Functioning dimension

ISSN: 1477-7525