Table 4.
Percentage (95 % bootstrapping confidence interval) of the sample with a proportion of African ancestry reports itself as black: ROOM and Add Health Wave I genetic sample
| The Roommate Study | Add Health Wave I | Add Health Wave I | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
||||||||||
| Sample -> | Non-Hispanic Black, White, and Black-White by Self-report |
Non-Hispanic Black, White, and Black-White by Self-report |
Hispanic by Self-report | |||||||
|
|
||||||||||
| Proportion of African Ancestry |
Single Race (self-report) |
Multiracial (self-report) |
N | Single Race (self-report) |
Single Race (interviewer) |
Multiracial (self-report) |
N | Single Race (self-report) |
Multiracial (self-report) |
N |
|
| ||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 0–.02 |
0.00 (0,0) |
0.08 (0.08,0.32) |
1,240 |
0.00 (0, 0) |
0.27 (0.2, 0.9) |
0.00 (0, 0) |
1,193 |
0.00 (0,0) |
0.00 (0,0) |
129 |
| .02–.1 |
1.27 (1.26,5.0) |
0.00 (0,0) |
79 |
0.00 (0,0) |
0.00 (0,0) |
0.00 (0,0) |
136 |
0.00 (0,0) |
0.00 (0,0) |
106 |
| .1–.2 |
16.67 (16.6,50) |
16,67 (16.6,50) |
6 |
0.00 (0,0) |
0.00 (0,0) |
0.00 (0,0) |
8 |
0.00 (0,0) |
0.00 (0,0) |
55 |
| .2–.3 |
0.00 (0,0) |
0.00 (0,0) |
0 |
0.00 (0,0) |
0.00 (0,0) |
0.00 (0,0) |
2 |
4.76 (4.76,14.3) |
0.00 (0,0) |
21 |
| .3–.4 |
100.0 (100,100) |
0.00 (0,0) |
2 |
71.43 (42.9,100) |
57.14 (14.3, 85.7) |
28.57 (14.3, 57.1) |
7 |
0.00 (0,0) |
0.00 (0,0) |
7 |
| .4–.5 |
100.0 (100,100) |
16.67 (16.6,50) |
6 |
66.67 (33.3,100) |
88.89 (66.7,100) |
22.22 (11.1, 55.6) |
9 |
0.00 (0,0) |
0.00 (0,0) |
2 |
| .5–.6 |
100.0 (100,100) |
36.84 (15.7,57.8) |
19 |
90.00 (70,100) |
90.00 (70,100) |
30.00 (10,60) |
10 |
33.33 (33.3,100) |
33.33 (33.3,100) |
3 |
| .6–.7 |
100.0 (100,100) |
50.00 (21.4,71.4) |
14 |
100.0 (100,100) |
100.0 (100,100) |
100.0 (100,100) |
7 |
50 (25,100) |
50 (25,100) |
4 |
| .7–.8 |
100.0 (100,100) |
82.86 (68.5,94.2) |
35 |
100.0 (100,100) |
100.0 (100,100) |
87.10 (74.2,96.8) |
31 |
0.00 (0,0) |
0.00 (0,0) |
0 |
| .8–.9 |
100.0 (100,100) |
85.71 (76.1,93.6) |
63 |
100.0 (100,100) |
100.0 (100,100) |
95.65 (89.1, 100) |
46 |
0.00 (0,0) |
0.00 (0,0) |
0 |
| .9–1 |
100.0 (100,100) |
89.29 (84.6,93.3) |
196 |
100.0 (100,100) |
100.0 (100,100) |
98.67 (96.0,99.3) |
298 |
0.00 (0,0) |
0.00 (0,0) |
1 |
| Total | 1,660 | 1,747 | 328 | |||||||
Note: The point estimates are boldfaced to highlight general patterns across the proportion of African ancestry.