Table 2.
Percentage distribution (number of individuals) of self-reported race by genetic markers-based ancestral population membership (three ancestral populations are assumed)
| Ancestral-Informative-Marker-Based Genetic Cluster |
||||
|---|---|---|---|---|
| Self-report | “White” | “Black” | “Non–South Asian” |
Total |
| ROOM | ||||
| White | 99.5(1,399) | 0.28(4) | 0.21(3) | 100(1,406) |
| Black | 0.71(2) | 99.3(279) | 0.0(0) | 100(281) |
| South Asian | 100.00(41) | 0.0(0) | 0.0(0) | 100(41) |
| East Asian | 2.33(2) | 0.0(0) | 97.7(84) | 100(86) |
| American Indian | 75.0(3) | 0.0(0) | 25.0(1) | 100(4) |
| Others | 80.7(50) | 12.9(8) | 6.45(4) | 100(62) |
| Multiracial | 52.9(91) | 36.1(62) | 11.1(19) | 100(172) |
| Total | 1,586 | 353 | 111 | 2,052 |
| Add Health Wave I | ||||
| White | 99.4(1,429) | 0.42(6) | 0.14(2) | 100(1,437) |
| Black | 0.00(0) | 100.0(381) | 0.00(0) | 100(381) |
| East Asian | 6.29(10) | 0(0) | 93.7(149) | 100(159) |
| American Indian | 100.0(19) | 0(0) | 0 (0) | 100(19) |
| Others | 91.1(163) | 5.03(9) | 3.31(7) | 100(179) |
| Multiracial | 72.0(67) | 26.9(25) | 1.08(1) | 100(93) |
| Total | 1,699 | 429 | 160 | 2,268 |
Notes: For ROOM, the bootstrapping 95 % confidence interval for “white,” “black,” and “non–South Asian” are, respectively, [99.0, 99.9], [94.7, 100], and [89.5, 100]. In Add Health, the three confidence intervals are, respectively, [97.7, 99.9], [96.9, 100], and [88.1, 97.5].