Table 4.
Prevalence, Factor Loadings, IRT Parameters and Fit Statistics: Tranquilizers
| Tranquilizer Abuse (A) and Dependence (D) Criteria |
Prevalence (%) | Model With Legal Problems Criterion | Model Without Legal Problems Criterion | ||||
|---|---|---|---|---|---|---|---|
| Factor Loadings | Discrimination estimate a (SE) | Severity estimate b (SE) | Factor Loadings | Discrimination estimate a (SE) | Severity estimate b (SE) | ||
| Tolerance (D) | 8.99 | 0.862 | 1.90 (0.06) | 1.95 (0.08) | 0.863 | 1.90 (0.05) | 1.95 (0.08) |
| Withdrawal (D) | 10.22 | 0.878 | 1.91 (0.06) | 1.83 (0.08) | 0.881 | 1.92 (0.06) | 1.82 (0.08) |
| Larger/Longer (D) | 9.68 | 0.894 | 1.92 (0.06) | 1.87 (0.08) | 0.893 | 1.92 (0.06) | 1.87 (0.08) |
| Quit/Control (D) | 30.75 | 0.682 | 1.80 (0.05) | 0.68 (0.05) | 0.673 | 1.80 (0.05) | 0.68 (0.05) |
| Time spent (D) | 9.76 | 0.923 | 1.94 (0.06) | 1.84 (0.08) | 0.924 | 1.94 (0.06) | 1.83 (0.08) |
| Activities given up (D) | 5.92 | 0.867 | 1.89 (0.06) | 2.30 (0.09) | 0.868 | 1.89 (0.06) | 2.30 (0.09) |
| Physical/Psychological problems (D) | 9.53 | 0.900 | 1.92 (0.06) | 1.88 (0.08) | 0.904 | 1.93 (0.06) | 1.88 (0.08) |
| Neglect roles (A) | 8.22 | 0.894 | 1.91 (0.06) | 1.96 (0.08) | 0.895 | 1.91 (0.06) | 1.96 (0.08) |
| Hazardous use (A) | 19.83 | 0.741 | 1.83 (0.05) | 1.15 (0.06) | 0.736 | 1.83 (0.05) | 1.14 (0.06) |
| Social/Interpersonal problems (A) | 15.99 | 0.870 | 1.91 (0.06) | 1.30 (0.06) | 0.867 | 1.91 (0.06) | 1.30 (0.06) |
|
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| Legal problems (A) | 2.77 | 0.712 | 1.84 (0.05) | 2.75 (0.11) | |||
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| Comparative Fit Index (CFI) | 0.981 | 0.981 | |||||
| Tucker Lewis Index (TLI) | 0.976 | 0.976 | |||||
| Root mean squared error of approximation (RMSEA) | 0.042 | 0.047 | |||||
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| Bayesian Information Criterion (BIC) | 7328.88 | 7063.27 | |||||