Table 1.
DRD4 genotype frequencies for the whole sample and by gender
| DRD4 Genotypes | Complete Sample (N = 263) | Females (N = 132) | Males (N = 131) |
|---|---|---|---|
| n (%) | n (%) | n (%) | |
| 4/4 | 146 (56) | 69 (52) | 77 (59) |
| 4/7 | 34 (13) | 14 (11) | 20 (15) |
| 4/2 | 31 (12) | 18 (14) | 13 (10) |
| 4/3 | 18 (7) | 9 (7) | 9 (7) |
| 4/5 | 8 (3) | 3 (2) | 5 (4) |
| 7/7 | 6 (2) | 5 (4) | 1 (1) |
| 2/2 | 5 (2) | 4 (3) | 1 (1) |
| 2/7 | 5 (2) | 2 (2) | 3 (2) |
| 3/3 | 2 (1) | 1 (1) | 1 (1) |
| 3/7 | 2 (1) | 1 (1) | 1 (1) |
| 4/6 | 2 (1) | 2 (2) | 0 (0) |
| 3/5 | 1 (0.4) | 1 (1) | 0 (0) |
| 3/8 | 1 (0.4) | 1 (1) | 0 (0) |
| 4/8 | 1 (0.4) | 1 (1) | 0 (0) |
| 7/8 | 1 (0.4) | 1 (1) | 0 (0) |