Table 1.
Past Year Cannabis Abuse (A), Dependence (D) and Consumption (C) Criteria | Prevalence (%) | Factor Loadings (One-Factor Model) | Model with Cannabis Use Criterion | Model without Cannabis Use Criterion | |||
---|---|---|---|---|---|---|---|
With Cannabis Use Criterion | Without Cannabis Use Criterion | Discrimination (a), Estimate a (S.E.) | Severity (b), Estimate b (S.E.) | Discrimination (a), Estimate a (S.E.) | Severity (b), Estimate b (S.E.) | ||
Tolerance (D) | 10.42 | 0.773 | 0.763 | 1.78 (0.08) | 1.69 (0.07) | 1.77 (0.08) | 1.70 (0.07) |
Larger/Longer (D) | 6.92 | 0.806 | 0.797 | 1.83 (0.09) | 2.05 (0.08) | 1.83 (0.09) | 2.05 (0.08) |
Quit/Control (D) | 26.08 | 0.666 | 0.680 | 1.60 (0.07) | 0.96 (0.06) | 1.66 (0.07) | 0.94 (0.05) |
Time spent (D) | 11.04 | 0.789 | 0.771 | 1.83 (0.08) | 1.70 (0.07) | 1.79 (0.08) | 1.71 (0.07) |
Activities given up (D) | 3.24 | 0.798 | 0.814 | 1.76 (0.08) | 2.84 (0.13) | 1.77 (0.08) | 2.83 (0.13) |
Physical/Psychological problems (D) | 11.85 | 0.761 | 0.783 | 1.73 (0.08) | 1.69 (0.07) | 1.77 (0.08) | 1.67 (0.07) |
Neglect roles (A) | 3.31 | 0.804 | 0.801 | 1.78 (0.09) | 2.70 (0.12) | 1.78 (0.08) | 2.70 (0.12) |
Hazardous use (A) | 27.89 | 0.677 | 0.663 | 1.73 (0.07) | 0.83 (0.05) | 1.70 (0.07) | 0.84 (0.05) |
Legal problems (A) | 2.43 | 0.358 | 0.352 | 1.62 (0.07) | 3.02 (0.15) | 1.62 (0.07) | 3.01 (0.15) |
Social/Interpersonal problems (A) | 11.73 | 0.725 | 0.731 | 1.70 (0.07) | 1.65 (0.07) | 1.73 (0.08) | 1.63 (0.07) |
Consumed one or more joints per week (C) | 45.04 | 0.665 | - | 1.70 (0.07) | 0.18 (0.05) | - | - |
Bayesian Information Criterion (BIC) | 10834.77 | 8966.20 | |||||
Comparative Fit Index (CFI) | 0.967 | 0.977 | |||||
Tucker Lewis Index (TLI) | 0.980 | 0.986 | |||||
Root mean squared error of approximation (RMSEA) | 0.038 | 0.031 |
Cannabis use volume measure was consuming at least one joint a week during the year preceding the NESARC interview.