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. 2023 May 23;14:1160466. doi: 10.3389/fpsyg.2023.1160466

Table 2.

Confirmatory factor analysis of the PSS-13 scale.

Models χ2 gL χ2/gL CFI TLI RMSEA IC 90% RMSEA SRMR WRMR
Inferior Superior
Model 1 correlated factors 184.895*** 53 3.489 0.990 0.987 0.058 0.049 0.067 0.033 1.020
Model 2 orthogonal factors (uncorrelated) 97.010*** 54 1.796 0.997 0.996 0.033 0.022 0.043 0.037 1.104
Model 3 bifactor 108.619*** 42 2.586 0.995 0.992 0.046 0.035 0.057 0.022 0.666

***Omits the significance associated with the χ2, being in all models lower than 0.001.