Table 1.

The single nucleotide polymorphisms (SNPs) selected for study

Gene	SNPs	Alleles	Ancestral Allele	MAF*
GCKR	rs780094	A/G	G	0.366
MTNR1B	rs10830963	C/G	C	0.366
KCNQ1	rs151290	A/C	A	0.433
KLF14	rs972283	A/G	G	0.333

^*MAF minor allele frequencies in Han Chinese people.