Table 3.

Allele Frequencies of NAT1, NAT2, GST, PON1, and ABCB1 Polymorphisms Among Chemical and Organic Workers

dBSNP ID	Gene	Allele	Function	Minor Allele Frequency (%)
				Chemical Workers	HW P value	Organic Workers	HW P value
rs15561	NAT1	C/A	UTR variant	0.45	0.052	0.48	0.656
rs1057126	NAT1	T/A	UTR variant	0.49	0.639	0.67	0.943
rs1041983	NAT2	C/T	Synonymous variant	0.55	0.209	0.50	0.098
rs1799931	NAT2	G/A	Missense	0.21	0.623	0.18	0.626
rs1799930	NAT2	G/A	Missense	0.31	0.774	0.31	0.55
rs662	PON1	A/G	Missense	0.38	0.92	0.23	0.053
rs705379	PON1	C/T	Transcript variant	0.55	0.759	0.40	0.068
rs854560	PON1	G/A	Missense	0.05	0.523	0.03	0.079
rs1045642	ABCB1	C/T	Missense	0.43	0.828	0.43	0.313
rs1128503	ABCB1	C/T	Synonymous variant	0.40	0.099	0.36	0.605
rs1695	GSTP1	A/G	Missense	0.23	0.393	0.27	0.897
–	GSTM1	Null	Deletion	0.64	–	0.66	–
–	GSTT1	Null	Deletion	0.33	–	0.25	–

Note: If P<0.05 in Chi-square test, it is not consistent with HWE.

Abbreviations: dbSNP, single nucleotide polymorphism database; HWE, Hardy–Weinberg equilibrium; UTR, untranslated region.