Table A2.

Distribution of Families, by Race/Ethnicity, Number of Children, and Parental Genotypes

	No. of Families with Available Parental Genotypes for
Race/Ethnicity and No. of Children	No Parents	One Parent	One Father	One Mother	Two Parents	Total No. of Families
African American:
2	377	129	27	102	14	520
3	73	21	3	18	10	104
4	26	10	1	9	4	40
5	6	2	0	2	0	8
6	0	2	1	1	0	2
Total	482	164	32	132	28	674
White:
2	579	123	39	84	67	769
3	206	59	25	34	20	285
4	84	15	4	11	8	107
5	35	7	4	3	3	45
6	14	2	1	1	2	18
7	8	1	0	1	0	9
8	3	1	0	1	0	4
9	2	0	0	0	0	2
10	2	0	0	0	0	2
11	0	0	0	0	0	0
12	0	0	0	0	0	0
13	0	0	0	0	0	0
14	1	0	0	0	0	1
Total	934	208	73	135	100	1,242
Hispanic:
2	100	0	0	0	0	100
3	100	0	0	0	0	100
4	81	0	0	0	0	81
5	48	0	0	0	0	48
6	36	0	0	0	0	36
7	25	0	0	0	0	25
8	9	0	0	0	0	9
9	7	0	0	0	0	7
10	2	0	0	0	0	2
Total	408	0	0	0	0	408
Asian:
2	106	45	16	29	14	165
3	122	57	10	47	13	192
4	75	32	7	25	8	115
5	43	14	1	13	4	61
6	22	3	2	1	1	26
7	10	2	0	2	0	12
8	1	2	0	2	0	3
9	2	0	0	0	0	2
Total	381	155	36	119	40	576