Table 5.
Fit indices for alternating models of AUDIT, estimated correlation among factors, and internal consistency for each subscale to detect alcohol use disorder among medical patients in DURH, southern Ethiopia, 2020 (n = 325).
| Indices of model fit | Factor one | Factor two | Factor three |
|---|---|---|---|
| Chi-square | 249.91 | 133.75 | 123.82 |
| Degree of freedom | 35 | 34 | 32 |
| p-value | 0.00 | 0.00 | 0.00 |
| CFI | 0.81 | 0.92 | 0.92 |
| TLI | 0.82 | 0.92 | 0.93 |
| RMSEA | 0.13 | 0.08 | 0.07 |
| PNFI | 0.51 | 0.55 | 0.54 |
| PCFI | 0.52 | 0.57 | 0.52 |
| Estimated correlations among factors | |||
| Factor one | 1 | – | – |
| Factor two | 0.73 | 1 | – |
| Factor three | 0.71 | 0.94 | 1 |
| Cronbach’s α for each subscale | |||
| Factor one model | 0.90 | – | – |
| Factor two model | 0.82 | 0.90 | |
| Factor three model | 0.82 | 0.87 | 0.81 |
CFI: comparative fit index; TLI: Tucker–Lewis Index; RMSEA: root mean squared error approximation; PNFI: parsimony normed fit index; PCFI: parsimony comparative fit index.