Table 4.
Confirmatory analysis of the new two-factor attitudinal scale
| Single group analysis | RMSEA (90% CI) | CFI | TLI | AVE | AIC | BCC | ||
|---|---|---|---|---|---|---|---|---|
| OMT (n=126) | F1 | F2 | ||||||
| Unadjusted model | 0.072 (0.047; 0.096) | 0.928 | 0.913 | 0.515 | 0.276 | N/A | N/A | |
| Adjusted* | 0.063 (0.034; 0.088) | 0.946 | 0.934 | 0.509 | 0.276 | N/A | N/A | |
| Harm reduction (n=108) | ||||||||
| Unadjusted model | 0.079 (0.052; 0.105) | 0.905 | 0.884 | 0.506 | 0.267 | N/A | N/A | |
| Adjusted model II** | 0.049 (0.000; 0.080) | 0.964 | 0.955 | 0.492 | 0.261 | N/A | N/A | |
| Measurement Invariance | ||||||||
| Adjusted model*** | ||||||||
| Equal form (Unconstrained model) |
0.039 (0.021; 0.053) | 0.959 | 0.947 | N/A | N/A | 284.528 | 301.136 | |
| Equal factor loading | 0.043 (0.028; 0.056) | 0.945 | 0.935 | N/A | N/A | 288.024 | 301.587 | |
| Equal structural covariances | 0.045 (0.031; 0.058) | 0.937 | 0.928 | N/A | N/A | 292.944 | 305.677 | |
| Equal measurement residuals | 0.061 (0.050; 0.072) | 0.874 | 0.868 | N/A | N/A | 345.446 | 354.580 | |
| Saturated model | N/A | N/A | N/A | N/A | N/A | 364.000 | 414.377 | |
| Independent model | 0.169 (0.160; 0.178) | N/A | N/A | N/A | N/A | 1241.206 | N/A | |
*Allowing covariance between Err1 ↔ Err6, ** Allowing covariance between Err 6 ↔ 7, Err 11 ↔ 12
***Allowing covariance between Err1 ↔ Err6, Err6 ↔ Err7, Err 11 ↔ 12