Table 1.
Sample size, mean (s.d.) and frequency of variables by population group and sex.
| Caucasian | Oriental | Mixed/Other | Black | |||||
|---|---|---|---|---|---|---|---|---|
| men | women | men | women | men | women | men | women | |
| variable (N) | 193 | 303 | 13 | 23 | 38 | 46 | 13 | 15 |
| Wonderlic IQ | 105 (12) | 105 (11) | 100 (13) | 104 (13) | 99 (13) | 104 (12) | 102 (17) | 98 (10) |
| MAB IQ | 105 (14) | 104 (12) | 102 (17) | 103 (12) | 99 (14) | 100 (13) | 96 (20) | 94 (9) |
| g factor score | 0.1 (1.0) | 0.1 (0.9) | −0.2 (1.2) | 0.1 (0.9) | −0.4 (1.1) | −0.2 (1.0) | −0.5 (1.4) | −0.7 (0.8) |
| altruism | 56 (10) | 55 (9) | 55 (8) | 54 (8) | 52 (10) | 55 (11) | 52 (9) | 54 (10) |
| variable (N) | 82 | 102 | 5 | 5 | 16 | 18 | 5 | 6 |
| Mini-K | 17 (12) | 29 (11) | 21 (8) | 10 (16) | 18 (16) | 24 (12) | 23 (14) | 31 (9) |
| head (cm) | 58 (2) | 56 (2) | 58 (2) | 57 (1) | 58 (2) | 56 (2) | 57 (2) | 59 (3) |
| variable (N) | 179 | 273 | 12 | 18 | 34 | 43 | 11 | 14 |
| MCPH1 A/A% | 3 | 3 | 8 | 5 | 15 | 2 | 18 | 43 |
| MCPH1 A/D% | 28 | 32 | 42 | 28 | 47 | 33 | 55 | 21 |
| MCPH1 D/D% | 69 | 65 | 50 | 67 | 38 | 65 | 27 | 36 |
| variable (N) | 186 | 287 | 12 | 22 | 37 | 44 | 12 | 14 |
| ASPM A/A% | 31 | 32 | 50 | 86 | 43 | 59 | 58 | 93 |
| ASPM A/D% | 51 | 47 | 50 | 14 | 51 | 23 | 42 | 7 |
| ASPM D/D% | 18 | 21 | 0 | 0 | 6 | 18 | 0 | 0 |