Table 2.
Model statistics for the DREEM using CFA
| Statistic | Recommended value | Roff et al. model | Hammond et al. model | Yusoff 5-factor, 50 item model* |
|---|---|---|---|---|
| χ2 |
NA |
2364.65 |
1078.57 |
4475.79 |
| χ2 p-value |
<0.05 |
<0.0001 |
<0.0001 |
<0.0001 |
| df |
NA |
1165 |
485 |
1165 |
| χ2/df |
< or = 2 |
2.03 |
2.22 |
3.84 |
| Root mean square error of approximation |
< or = 0.08 |
0.065 (CI = 0.061-0.068) |
0.071 (CI = 0.65-0.76) |
0.075 (No CI reported) |
| Goodness of fit index (GFI) |
> or = 0.9 |
0.718 |
0.783 |
0.709 |
| Comparative fit index (CFI) |
> or = 0.9 |
0.694 |
0.731 |
0.724 |
| Tucker-Lewis index (TLI) | > or = 0.9 | 0.678 | 0.707 | 0.710 |
*The model by Yusoff is presented for comparison.