Table 2.
Bivariate Correlations (Pearson’s r) among Baseline Values of Substance Use Variables (Study Sample N = 394a)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| 1. Alcohol Ladder | -- | -- | -- | -- | -- | -- | -- | -- | |
| 2. Drug Ladder | .42** (237) |
-- | -- | -- | -- | -- | -- | -- | |
| 3. Combined Alcohol/Drug Ladder | .74** (296) |
.69** (335) |
-- | -- | -- | -- | -- | -- | |
| 4. Desire to Quit Using Alcohol/Drugs | .35** (255) |
.56** (282) |
.58** (335) |
-- | -- | -- | -- | -- | |
| 5. Perceived Difficulty of Quitting Alcohol/Drugs |
.06 (233) |
−.03 (266) |
.15* (310) |
.18* (310) |
-- | -- | -- | -- | |
| 6. Expectation of Success at Quitting Alcohol/Drugs |
.15 (234) |
.30** (265) |
.25** (310) |
.37** (310) |
−.13 (309) |
-- | -- | -- | |
| 7. Importance of Obtaining Alcohol/Drug Treatment |
.15* (294) |
.06 (332) |
.14* (390) |
.31** (333) |
−.11 (308) |
.30** (308) |
-- | -- | |
| 8. Treatment Status at Baseline | .23** (293) |
.15* (332) |
.16* (390) |
.00 (331) |
.05 (307) |
−.08 (307) |
−l.01 (386) |
-- | |
| 9. Percent Days Abstinent (PDA) in Month Prior to Baseline |
.19* (244) |
.21** (269) |
.25** (319) |
.10 (280) |
.18* (261) |
.02 (262) |
−.15* (315) |
.30* (315) |
-- |
| 10. Prior AOD Treatment Episodes | .07 (362) |
.06 (361) |
.12* (362) |
.12* (310) |
.15* (289) |
.00 (288) |
.17** (358) |
.03 (358) |
−.13* (302) |
*
p < .05,
**
p < .01
a
Because substance use variables were not applicable or missing for some participants, the N for each correlation is contained in parentheses in each cell.