Table 3.
Combined Odds Ratio Results
| Combined Estimate |
Wald-Test P Value | ||
| OR | 95% CI | ||
| Frequency/quantity of alcohol use | |||
| All estimates (for males and females) | |||
| Fixed effects | 1.23 | 1.16, 1.31 | 0.000 |
| Random effects | 1.70 | 1.39, 2.08 | 0.000 |
| Males | |||
| Fixed effects | 1.16 | 1.05, 1.27 | 0.003 |
| Random effects | 1.52 | 1.14, 2.10 | 0.009 |
| Females | |||
| Fixed effects | 1.22 | 1.12, 1.34 | 0.000 |
| Random effects | 1.44 | 1.14, 1.81 | 0.003 |
| Heavy episodic drinkinga | |||
| Fixed effects | 1.47 | 1.17, 1.85 | 0.001 |
| Random effects | 1.47 | 1.17, 1.85 | 0.001 |
| Problem use | |||
| Fixed effects | 2.33 | 1.94, 2.80 | 0.000 |
| Random effects | 2.36 | 1.86, 3.01 | 0.010 |
Abbreviations: CI, confidence interval; OR, odds ratio.
a
The fixed-effects and random-effects estimates are equal because no heterogeneity was detected.