232 7 Chapter 7 X2 DF CFI TLI RMSEA (95% CI) SRMR ΔΧ2 ΔDF P-value significance level Diagnosis (yes vs no) Configural invariance 8080 1078 0.937 0.93 0.089 (0.087 -0.091) 0.088 Metric invariance 8382 1106 0.935 0.930 0.089 (0.088 - 0.091) 0.090 73.577 28 <.001 Partial metric invariance d 8198 1102 0.936 0.931 0.088 (0.087 - 0.090) 0.089 32.745 24 n.s. Scalar invariance 8343 1168 0.935 0.934 0.086 (0.085 - 0.088) 0.089 18.489 62 n.s. CFI, comparative fit index; CI, 90% confidence interval; DF, degrees of freedom; RMSEA, root mean squared error of approximation; SRMR, standardised root mean squared residual; df, degrees of freedom; n.s., non-significant a lifted restrictions on loadings of items 15, 21, 23 and 26; b lifted restrictions on loadings of items 20, 19 and 29 c lifted restrictions on loadings of items 10, 14, 22, 30 and 31; d lifted restrictions on loadings of items 11, 19, 23 and 25. Table 3. Results of invariance testing among a priori subgroups (n=1650) (continued)
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