Table 3.
X Distribution | βx | Unadjusted Power | Adjusted Power | Benefit | Unadjusted Bias |
---|---|---|---|---|---|
−0.6β̃tx | 79.54% | 79.22% | −0.32% | −0.1% | |
Normal | −1.0β̃tx | 78.76% | 78.90% | 0.14% | −0.3% |
−1.5β̃tx | 76.08% | 78.46% | 2.38% | −0.5% | |
−0.6β̃tx | 78.28% | 78.92% | 0.64% | −0.3% | |
Lognormal | −1.0β̃tx | 76.66% | 78.44% | 1.78% | −0.5% |
−1.5β̃tx | 71.96% | 75.46% | 3.50% | −0.9% | |
−0.6β̃tx | 79.52% | 79.86% | 0.34% | −0.2% | |
Bimodal | −1.0β̃tx | 74.38% | 77.38% | 3.00% | −0.7% |
−1.5β̃tx | 67.70% | 73.80% | 6.10% | −1.4% |