Table 3.
Observed Distribution and Estimated Probability of Marijuana Abuse/Dependence Criteria by Latent Class (n= 308)
| Latent Class |
||||
|---|---|---|---|---|
| I (n = 114) | II (n = 128) | III (n = 66) | ||
| Unaffected/ | Abuser/Moderate | Severe Abuse/ | ||
| Abuse Criterion | Total (n = 308)a | /Mild | Dependence | Dependence |
| Failed to Fulfill Obligations | 105 (34.1%) | .01 | .43 | .69 |
| Used in Hazardous Situations | 95 (30.8%) | .07 | .38 | .54 |
| Interpersonal Problems | 36 (11.7%) | .02 | .06 | .38 |
|
Dependence Criterion |
||||
| Larger Amounts Than Intended | 163 (52.9%) | .14 | .65 | .90 |
| Unsuccessful Efforts to Cut Down | 81 (26.3%) | .03 | .25 | .66 |
| Great Deal Time Spent Using | 134 (43.5%) | .08 | .51 | .85 |
| Gave Up Activities | 61 (19.8%) | .01 | .12 | .64 |
| Continued Use Despite Problems | 63 (20.5%) | .03 | .20 | .49 |
| Tolerance | 134 (43.5%) | .07 | .55 | .78 |
| Withdrawal | 30 (9.7%) | .02 | .02 | .38 |
a
Observed number and percentage meeting each criterion.