Table 3. Goodness-of-fit indices for factor models of the UCLA Loneliness Scale in schizophrenia and non-psychiatric comparison (NC) groups.
| Model | X2 | df | CFI | TLI | RMSEA (90% CI) | SRMR |
|---|---|---|---|---|---|---|
| Schizophrenia (n = 116) | ||||||
| One Factor | 289.83*** | 170 | .759 | .731 | .078 (.063-.093) | .138 |
| Two Factor | 270.54*** | 169 | .796 | .771 | .072 (.056-.088) | .097 |
| Three Factor | 198.75* | 167 | .936 | .927 | .041 (.005-.061) | .072 |
| Bifactor | 169.89 | 150 | .960 | .949 | .034 (.000-.057) | .053 |
| Non-Psychiatric (n = 106) | ||||||
| One Factor | 264.11*** | 170 | .826 | .806 | .073 (.055-.089) | .076 |
| Two Factor | 237.42*** | 169 | .874 | .858 | .062 (.042-.080) | .069 |
| Three Factor | 206.017* | 167 | .928 | .918 | .047 (.019-.067) | .062 |
| Bifactor | 178.24 | 150 | .948 | .934 | .042 (.000-.065) | .050 |
Note.
* < .05;
*** < .001;
CFI = comparative fit index; TLI = Tucker-Lewis; RMSEA = root mean square error of approximation; SRMR = standardized root mean residual