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. Author manuscript; available in PMC: 2023 Aug 1.
Published in final edited form as: Qual Life Res. 2023 Apr 5;32(8):2293–2304. doi: 10.1007/s11136-023-03391-4

Table 2.

Fit indices for confirmatory factor models (N = 303)

Model RMSEA 95% CI CFI χ2 df Δχ2/df p
Model 1 0.093 0.087; 0.099 0.733 956.23 265
Model 2 0.090 0.084; 0.097 0.749 913.62 264 42.61 < 0.05
Model 3 0.065 0.058; 0.072 0.862 619.93 262 146.85 < 0.05
Model 4 0.065 0.058; 0.072 0.870 597.18 261 22.75 < 0.05

RMSEA indicates Root-Mean-Squared Error of Approximation; CI confidence interval, CFI confirmatory fit index; df degrees of freedom, Δχ2/df, change in χ2 given corresponding change in degrees of freedom