Table 3.
Parameter Estimates of the Alcohol Use Disorder Items Based on the Partial Invariance Model
| Loadings | Thresholds |
Unique Factor Variancesa Older |
||
|---|---|---|---|---|
| Younger | Older | |||
| 1. Great deal of time spent | 1.00 (---) | 1.01 (0.03) | 1.70 (0.24) | |
| 2. Larger amounts than intended | 0.84 (0.05) | 2.19 (0.05) | 1.41 (0.09) | |
| 3. Tolerance | 0.74 (0.04) | 0.76 (0.02)1.18 (0.06) | 1.76 (0.22) | |
| 4. Unsuccessful attempts to cut down | 0.66 (0.04) | 2.24 (0.05) | 1.83 (0.10) | |
| 5. Continued use despite problems | 1.21 (0.08) | 2.57 (0.09) | 1.63 (0.14) | |
| 6. Reduced or given up important activities | 1.02 (0.06) | 2.39 (0.06) | 1.00 (---) | |
| 7. Withdrawal | 0.82 (0.05) | 2.47 (0.06) | 1.00 (---) | |
Note: The younger group aged between 12–25 years, and the older group aged 26 years or above. Robust weighted least squares estimator (ESTIMATOR=WLSMV) and THETA parameterization were used. Numbers shown in parentheses were the standard errors.
a
The unique factor variances were fixed to be 1.0 for the younger group.