Table 4 Simulated powers for a simple exchangeable correlation structure with the number of clusters = 8, cluster size = 120, and ICC = 0.1
| Â | \({\theta }_{1}={\text{log}}\left(1.35\right)\) | \({\theta }_{1}={\text{log}}\left(1.68\right)\) | ||||||
|---|---|---|---|---|---|---|---|---|
\({\theta }_{3}={\text{log}}\left(1.5\right)\) | \({\theta }_{3}={\text{log}}\left(2\right)\) | \({\theta }_{3}={\text{log}}\left(1.5\right)\) | \({\theta }_{3}={\text{log}}\left(2\right)\) | |||||
Prevalence rate of binary covariate | \(30\mathrm{\%}\) | \(50\mathrm{\%}\) | \(30\mathrm{\%}\) | \(50\mathrm{\%}\) | \(30\mathrm{\%}\) | \(50\mathrm{\%}\) | \(30\mathrm{\%}\) | \(50\mathrm{\%}\) |
 GEE | 0.834 | 0.876 | 0.999 | 1.000 | 0.839 | 0.882 | 0.999 | 1.000 |
 GEE-KC | 0.769 | 0.817 | 0.996 | 0.998 | 0.775 | 0.824 | 0.996 | 0.999 |
 GEE-MD | 0.697 | 0.748 | 0.989 | 0.995 | 0.702 | 0.756 | 0.989 | 0.995 |