Table 1 Different sample sizes with variable cluster size and design effect for initial sample size of 445 (using the sample size produced from power calculation)
Cluster size | Ρ | ||
|---|---|---|---|
0.02 (n of cluster) | 0.09 | 0.5 | |
20 | 614 (31) | 1205 | 4672 |
30 | 703 (23) | 1606 | 6897 |
40 | 792 (20) | 2006 | 9122 |
50 | 881 (18) | 2407 | 11347 |