Table 4.
Results of the sibship disequilibrium test
| Polymorphism | Allele | b | c | p |
|---|---|---|---|---|
| HTTLPR triallelic | l | 8 | 12 | .503 |
| HTR2A rs6311 | A | 6 | 10 | .455 |
| OXTR rs2301261 | C | 5 | 1 | .219 |
| OXTR rs53576 | T | 6 | 8 | .791 |
| OXTR rs2254298 | G | 1 | 2 | 1.000 |
| OXTR rs2268494 | T | 2 | 4 | .688 |
Abbreviations: OXTR oxytocin receptor, HTR2A serotonin receptor 2A, HTTLPR serotonin-transporter–linked polymorphic region. b = mentioned allele more often transmitted to affected siblings. c = mentioned allele more often transmitted to unaffected siblings. p = two-tailed p value.