Table 2. Estimated subpopulation membership for the 17 largest individual contributing sites.

		Subpopulation %
Sitea	Nb	NW	SE	AJ	case %
A	662	93.8	0.8	5.4	99.4
B	504	96.8	1.8	1.4	42.3
C	478	96.7	1.7	1.7	10.9
D	410	76.6	2.4	21.0	40.2
E	398	93.2	1.5	5.3	33.8
F	361	97.5	1.1	1.4	38.2
G	351	97.2	1.4	1.4	49.8
H	222	94.6	1.8	3.6	70.0
I	147	98.0	0.7	1.4	35.5
J	144	99.3	0.7	0.0	52.7
K	139	95.0	3.6	1.4	45.1
L	92	64.1	17.4	18.5	32.5
M	87	75.9	12.6	11.5	39.1
N	67	76.1	19.4	4.5	30.8
O	65	89.2	1.5	9.2	62.7
P	65	70.8	9.2	0.0	43.5
Q	65	83.1	16.9	0.0	49.2

^aSites that each contributed >50 European-American subjects.

^bNumber of subjects.