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Table 4 Goodness of fit indices for 5- and 6-factor CFA models of parent and child reports (n = 525)

From: Validity and reliability of the Iranian version of the Pediatric Quality of Life Inventory™ 4.0 (PedsQL™) Generic Core Scales in children

Model x2 df x2/df RMSR RMSEA (90% CI) CFI GFI AGFI
Parents-6 factor model 685.81 * 211 3.25 0.058 0.066 (0.060; 0.071) 0.95 0.90 0.87
Parents-5 factor model 1261.72 * 220 5.74 0.065 0.075 (0.071; 0.079) 0.94 0.89 0.86
Children-6 factor model 609.74 * 214 2.85 0.052 0.059 (0.054; 0.065) 0.94 0.91 0.88
Children-5 factor model 1242.72 * 220 5.65 0.061 0.074 (0.070; 0.078) 0.94 0.89 0.86
  1. CFA, confirmatory factor analysis; x2, chi-square; df, degrees of freedom; x2/df, normed chi-square; RMSR, root mean square residual; RMSEA, root mean square error of approximation; CFI, comparative fit index; GFI, goodness of fit index; AGFI, adjusted goodness of fit index
  2. * P < 0.001