Table 1.

Study SNP position, genotype distribution, and main results of association analysis

Marker	Position (bp)a	Alleleb	MAF	Genotype frequency			χ 2	p value
				AA	AB	BB
rs10860862	101310202	T	0.16	0.69	0.27	0.02	1.48	0.22
rs6214	101317699	T	0.40	0.34	0.48	0.16	0.31	0.51
rs978458	101326369	T	0.26	0.54	0.37	0.07	11.31	0.0007
rs2288378	101354138	T	0.25	0.55	0.37	0.06	11.98	0.0005
rs10735380	101368366	G	0.28	0.52	0.39	0.08	9.36	0.002
rs5742629	101381393	C	0.27	0.52	0.40	0.07	1.70	0.19
rs10778176	101387109	T	0.27	0.52	0.39	0.07	1.61	0.20
rs1019731	101388555	A	0.14	0.74	0.23	0.02	1.09	0.29
rs2162679	101395389	C	0.15	0.72	0.25	0.02	6.37	0.01
rs35766	101404603	C	0.15	0.71	0.26	0.02	6.99	0.008
rs35765	101405826	T	0.11	0.78	0.19	0.01	10.48	0.001
rs855211	101434940	A	0.15	0.70	0.26	0.02	6.95	0.008
rs4764702	101461236	G	0.14	0.73	0.24	0.02	1.49	0.22
rs35760	101474348	T	0.17	0.68	0.28	0.03	1.34	0.24
rs855205	101481996	T	0.15	0.71	0.25	0.02	2.72	0.09
rs855203	101482203	C	0.10	0.81	0.17	0.01	11.10	0.0008
rs1457596	101486637	A	0.11	0.78	0.19	0.01	9.16	0.002
rs7964748	101489459	G	0.18	0.67	0.29	0.03	8.07	0.004

MAF minor allele frequency

^aSNP genomic position in base pairs according to HapMap project

^bMinor allele, MAF, and χ ² test for association between the selected SNP and IGF-1 circulating levels, with accompanying p values