Table 3.
Impact of naltrexone on 4-month unhealthy alcohol use: Subgroup analyses.
| Quit or reduced drinking (%) | |||
|---|---|---|---|
| Naltrexone (n=85) |
Placebo (n=87) |
p value* | |
| Alcohol dependence | |||
| Yes (n=92) | 28 (56%) | 14 (33%) | .03 |
| No (n=79) | 16 (47%) | 25 (56%) | .45 |
| PEth value | |||
| Positive, ≥8 ng/mL (n=80) | 19 (46%) | 13 (33%) | .24 |
| Negative, <8 ng/mL (n=92) | 25 (57%) | 26 (54%) | .80 |
| Adherence to study medication | |||
| ≥90% (n=112) | 26 (52%) | 27 (44%) | .37 |
| <90% (n=58) | 18 (53%) | 11 (46%) | .59 |
| Age | |||
| <50 years old (n=88) | 19 (49%) | 24 (53%) | .67 |
| ≥50 years old (n=84) | 25 (54%) | 15 (36%) | .08 |
p value from bivariate logistic regression within each subgroup