Table 3

Statistical power
Schools per treatment Students per school Intra-Class correlation
0 0.01 0.03 0.05 0.07 0.1
6 20 0.99 0.98 0.93 0.87 0.8 0.71
6 30 0.99 0.99 0.97 0.92 0.86 0.76
7 20 0.99 0.99 0.96 0.91 0.86 0.78
7 30 0.99 0.99 0.99 0.95 0.9 0.82

Donnelly et al.

Donnelly et al. BMC Public Health 2013 13:307   doi:10.1186/1471-2458-13-307

Open Data