Table 2.

Multinominal log-linear analyses of the distribution of pharmacogenetic polymorphisms alleles among Brazilians according to self-reported color and geographical region.

Gene	Alleles	Explanatory variablesa
		Color	Geographical region	Color: geographical region
CYP2C8	*2, *3, *4	<0.0001	0.71	0.04
CYP2C9	*2, *3, *5, *11	<0.0001	0.23	0.01
CYP2C19	*2, *3, *17	0.60	0.11	0.33
ABCB1	haplotypesb	<0.001	0.001	0.013
SLCO1B1	haplotypesc	<0.001	0.001	0.003
VKORC1	3673A allele	0.0004	0.07	0.11
	3673A genotype	0.002	0.18	0.19

^ap values associated to the “main effects” (Color and geographical region) and their “interaction.”

^bHaplotypes comprising the 1236C > T, 2677G > nonG, and 3435C > T loci.

^cHaplotypes comprising the 388A > G, 463C > A, and 521T > C loci.