Table 3.
Genetic modelling and estimates of heritabilities (given as additive genetic effects with 95% CI).
| model | A (95% CI) | C/D (95% CI) | χ2 (d.f.) | p-value |
|---|---|---|---|---|
| orgasm during intercourse | ||||
| ACE | 0.33 (0.20–0.40) | 0.00 (0.00–0.10) | 101.98 (88) | 0.15 |
| CE | — | 0.24 (0.18–0.29) | 117.09 (89) | 0.03 |
| AE | 0.34 (0.27–0.40) | — | 101.97 (89) | 0.16 |
| ADE | 0.08 (0.00–0.37) | 0.29 (0.00–0.43) | 102.32 (88) | 0.14 |
| orgasm during masturbation | ||||
| ACE | 0.45 (0.33–0.52) | 0.00 (0.00–0.09) | 97.96 (88) | 0.22 |
| CE | — | 0.32 (0.26–0.38) | 123.74 (89) | 0.01 |
| AE | 0.45 (0.38–0.52) | — | 97.96 (89) | 0.24 |
| ADE | 0.23 (0.00–0.50) | 0.25 (0.00–0.53) | 96.14 (88) | 0.26 |
A, additive genetic effects; C, common environmental effects; E, unique environmental effects; D, dominant genetic effects. Bold indicates best-fitting model and principal result.