Appendix 1.

Primary information of genotyped SNPs of PGR gene, the Shanghai Endometrial Cancer Study, 1997-2003.

Chromosome position a	rs# in dbSNP	Location	Allele b	MAF in cases	MAF in controls	PHWE for cases	PHWE for controls	Call rate (%)
PGR gene:	rs11224561	3’ flanking	C/T	0.29	0.32	0.47	0.16	99.51
Chr11:100,414,312..100,506,464	rs471767	3’ flanking	G/A	0.05	0.06	0.40	0.76	99.85
	rs12223699	intron 6	C/T	0.10	0.10	0.96	0.29	99.95
	rs11571234	intron 4	A/T	0.16	0.16	0.46	0.96	100.00
	rs547378	intron 4	A/G	0.22	0.22	0.41	0.31	99.90
	rs11224579	intron 3	C/T	0.26	0.26	0.32	0.99	99.95
	rs11224598	intron 2	C/T	0.20	0.20	0.17	0.71	100.00

^aVersion of NCBI Build 36.

^bBolded alleles are minor alleles.