Table 3.
Series of Binary Logistic Regression Backwards Elimination Analyses where Each Group is Compared with the Other 3 Groups as well as Group 2 vs. Group 3 (Odds Ratio with 95% Confidence intervals)
| Out Group | Group 1 (Low-Risk Drinking) (n=100, 15.1%) | Group 2 (High-Risk Drinking) (n=93, 14.0%) | Group 3 (Problem Drinking) (n=192, 29.0%) | Group 4 (Abstinent) (n=278, 41.9%) | Group 2 (High-Risk Drinking) vs. Group 3 (Problem Drinking)* |
|---|---|---|---|---|---|
| Baseline Variables | |||||
| Demography | |||||
| Age (years) | 0.76 [0.62, 0.92]b | 1.38 [1.16, 1.64]c | |||
| Race (% EA) | 0.51 [0.34, 0.76]c | 1.74 (1.17, 2.58)b | 0.42 [0.23, 0.78]b | ||
| Marital status (% widowed) | 6.89 (1.68, 28.24)b | ||||
| Alcohol Characteristics | |||||
| SRE first 5 (SRE5) | 0.76 [0.60, 0.96]a | ||||
| SRE total (SRET) | 0.72 [0.56, 0.92]b | 1.57 [1.17, 2.10]b | |||
| Usual drinks/occasion (6 months) | 1.44 [1.11, 1.67]b | 1.79 [1.45, 2.20]c | 0.58 [0.49, 0.69]c | ||
| Usual frequency/week (6 months) | |||||
| Number alcohol problems (lifetime) | 1.42 [1.16, 1.73]c | ||||
| Ever alcohol treatment(% yes) | 0.50 [0.31, 0.79]b | 0.40 [0.25, 0.63]c | 2.32 [1.52, 3.54]c | ||
| Drug characteristics | |||||
| Number drug types ever used | 0.64 [0.50, 0.84]c | ||||
| Number drug problems (lifetime) | |||||
| Mental health and personality | |||||
| Number conduct items to age 15 | |||||
| Zuckerman Sensation Seeking | 1.43 [1.18, 1.73]c | 1.42 [1.08, 1.88]a | |||
| Pseudo R2 | .13 | .07 | .17 | .22 | .12 |