. Author manuscript; available in PMC: 2017 Apr 1.

Published in final edited form as: Genet Epidemiol. 2016 Apr;40(3):210–221. doi: 10.1002/gepi.21955

Table 1.

Empirical type I error rates for the association tests between (G) and (X), while adjusting for (Z).

Sample size	Nominal level α	FANOVA	SKAT
50	0.05	0.04319	0.04164
	0.01	0.01037	0.00845
	0.001	0.00191	0.00018
	0.0001	0.00036	0.00000
500	0.05	0.04346	0.04854
	0.01	0.00941	0.01002
	0.001	0.00108	0.00123
	0.0001	0.00023	0.00000