Table 2 Model statistics for the DREEM using CFA
From: The DREEM, part 2: psychometric properties in an osteopathic student population
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 |