Allele frequencies for the dopamine transporter gene (DAT1) in patients with eating disorders and binge-eating behaviour and in controls
| Group | Type of allele; allele frequency* | |
|---|---|---|
| Short | Long | |
| Patients, n = 90 | 19 (0.106) | 161 (0.894) |
| Controls, n = 115 | 11 (0.048) | 219 (0.952) |
↵* χ12 = 4.96, p = 0.026 (2-tailed Fisher’s exact test p = 0.034).