Table 2.
Fit indices for the PHQ‐9 from confirmatory factor analyses by gender
| N | R‐χ 2 | SRMR | R‐RMSEA | R‐CFI | ΔR‐CFI | |
|---|---|---|---|---|---|---|
| Male | 4847 | 313.494 | 0.030 | 0.050 | 0.966 | ‐ |
| Female | 6086 | 405.736 | 0.029 | 0.051 | 0.963 | ‐ |
| Invariance test | ||||||
| Configural | 48 | 714.705 | 0.029 | 0.050 | 0.964 | ‐ |
| Metric | 56 | 746.699 | 0.034 | 0.048 | 0.963 | 0.000 |
| Scalar | 65 | 1009.266 | 0.034 | 0.049 | 0.964 | −0.001 |
| Strict | 75 | 1057.459 | 0.047 | 0.049 | 0.961 | 0.003 |
| Strict + Error covariances | 78 | 1054.767 | 0.048 | 0.048 | 0.961 | 0.000 |
Abbreviations: CFI, comparative fit index; PHQ‐9, nine‐item Patient Health Questionnaire; R‐CFI, robust CFI; R‐RMSEA, robust root mean square error approximation; SRMR, standardized root mean square residual.