Table 2. Empirical -levels for SMT^a.

b	Model	Model
0.05	0.048/0.0047	0.123*/0.047
0.005	0.008*/0.004	0.021*/0.0045
0.0005	0.001/0.0003	0.006*/0.0004

^aUnder models with SNP dominance (model ) or pairwise interaction effects (model ), with/without dominance and interaction covariates.

^bNominal significance level.

^*indicates significant deviation from the nominal level.