Table 1

Minimal detectable difference with constant effect
ICC VIF ESS Detectable difference
0.0 1.0 480 0.181
0.1 1.2 400 0.198
0.3 1.6 300 0.229
0.5 2.0 240 0.256
1.0 3.0 160 0.314

Note: ICC = intraclass correlation coefficient; VIF = Variance Inflation Factor; ESS = Estimated Sample Size.

Castro et al.

Castro et al. BMC Public Health 2013 13:237   doi:10.1186/1471-2458-13-237

Open Data