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. 2025 Oct 8;16:1634804. doi: 10.3389/fpsyg.2025.1634804

Table 4.

Results of the fit indices obtained from the CFA conducted on the PHQ-9 scale.a

Model Error covariances χ2 gl CFI SRMR RMSEA
One-Factor None 184.23*** 27 0.978 0.047 0.087
e2–e9 162.57*** 26 0.981 0.044 0.083
Two-Factor None 153.49*** 26 0.982 0.043 0.080
e2–e9 137.00*** 25 0.985 0.040 0.076
e2–e9/e4–e5 121.40*** 24 0.987 0.038 0.073
a

Statistical significance levels: *p < 0.050, **p < 0.010, ***p < 0.001.