Table 3.
Factor Loadings for End-of-Treatment Outcomes.
| Outcome | Factor | ||
|---|---|---|---|
| Frequency of Marijuana Use | Severity of Marijuana Use | Psychosocial Functioning | |
| MTP | |||
| % Days MJ Abstinence in Prior 90 Days | .90 | ||
| # Days Used MJ in Last Treatment Week | .77 | ||
| Max # Consecutive Days of MJ Abstinence during Treatment | .58 | ||
| ASI Drug Composite Score | .79 | ||
| MPS Score | .44 | ||
| Anxiety Score (STAI) | .58 | ||
| Depression Score (BDI) | .56 | ||
| ASI Psychological Composite Score | .36 | ||
| MJ Yale | |||
| Max # Consecutive Days of MJ Abstinence | .93 | ||
| % Days MJ Abstinence during Treatment | .71 | ||
| Max # Consecutive MJ-Negative Urine Specimens during Treatment | .69 | ||
| % MJ-Negative Urine Specimens during Treatment | .65 | ||
| # Days Used MJ in Last Treatment Week | .45 | ||
| ASI MJ Composite Score | .97 | ||
| MPS Score | .13 | ||
| ASI Psychological Composite Score | 1.75 | ||
| Anxiety Score (BSI) | .16 | ||
| Depression Score (BSI) | .06 | ||
Note. MJ = marijuana, MTP = Marijuana Treatment Project, MJ Yale = Contingency Management/MET/CBT Study, ASI = Addiction Severity Index, MPS = Marijuana Problems Scale, STAI = State Trait Anxiety Inventory, BDI = Beck Depression Inventory, BSI = Brief Symptom Inventory. N = 227 for MTP, N = 55 for MJ Yale.