| Ratio of Imbalance (n = 66)/(n = 264) | |
---|---|---|
RANDOMIZATON PROCEDURE | cocaine (50:50) ratio | gender (25:75) ratio |
COMPLETE OR SIMPLE | 1.99 | 2.50 |
STRATIFIED SIMPLE | Â | Â |
URN | 3.04 | 1.53 |
STRATIFIED URN | 1.90 | 2.80 |
BLOCKED | 1.56 | 2.65 |
STRATIFIED BLOCKED | Â | Â |
COVARIATE ADAPTIVE (2) | 2.38 | 0.80 |
COVARIATE ADAPTIVE (5) | 2.21 | 1.20 |