Table 1.

AIB1 allele^* and genotype frequency among cases and controls, Nurses' Health Study 1989-1994

AIB1 allele	Cases (n [%])	Controls (n [%])
19	0 (0.0)	1 (0.1)
22	0 (0.0)	1 (0.1)
25	1 (0.1)	1 (0.1)
26	111 (12.0)	148 (11.9)
27	3 (0.3)	3 (0.2)
28	375 (40.4)	485 (38.9)
29	431 (46.4)	597 (47.8)
30	4 (0.4)	10 (0.8)
31	2 (0.2)	2 (0.2)
34	1 (0.1)	0 (0.0)
Total	928	1248
AIB1 genotype	Cases (n [%])	Controls (n [%])
19/29	0 (0)	1 (0.2)
22/29	0 (0)	1 (0.2)
25/28	0 (0)	1 (0.2)
25/29	1 (0.2)	0 (0.0)
26/26	9 (1.9)	10 (1.6)
26/28	45 (9.7)	55 (8.8)
26/29	47 (10.1)	71 (11.4)
26/30	1 (0.2)	2 (0.3)
27/28	2 (0.4)	1 (0.2)
27/29	1 (0.2)	2 (0.3)
28/28	64 (13.8)	98 (15.7)
28/29	196 (42.2)	228 (36.5)
28/30	2 (0.4)	3 (0.5)
28/31	1 (0.2)	1 (0.2)
28/34	1 (0.2)	0 (0.0)
29/29	92 (19.8)	144 (23.1)
29/30	1 (0.2)	5 (0.8)
29/31	1 (0.2)	1 (0.2)
Total	464	624

^*There was no significant difference in frequency of alleles with 26 repeats or fewer between cases and controls (P = 0.82).