Table 2.
Descriptive statistics for the sexually dimorphic facial distances and facial area for each sex for Study 1.
| Facial variables | Boys (n = 48) | Girls (n = 53) | ||
|---|---|---|---|---|
| M | SD | M | SD | |
| Linear features (mm) | ||||
| Alar-base widtha | 15.4 | 1.95 | 14.1 | 1.76 |
| Nose heighta | 44.4 | 4.36 | 40.9 | 4.86 |
| Upper lip heighta | 20.3 | 2.52 | 17.7 | 2.15 |
| Geodesic features (mm) | ||||
| Outer-canthal widtha | 106.7 | 8.48 | 100.5 | 8.09 |
| Forehead heighta | 45.6 | 8.62 | 50.5 | 6.97 |
| Forehead width | 152.9 | 10.41 | 149.8 | 12.03 |
| Right upper cheek height | 66.3 | 4.97 | 65.4 | 4.48 |
| Nasal tip protrusion | 17.1 | 2.79 | 17.0 | 2.32 |
| Nose heighta | 53.5 | 5.87 | 49.7 | 6.12 |
| Upper lip height | 24.6 | 3.29 | 20.2 | 8.48 |
| Nasal bridge length | 35.3 | 4.96 | 34.8 | 4.89 |
| Facial area (mm2) | 27227 | 4016 | 26563 | 3769 |
Note. aThere was a significant difference between typically-developing boys and girls at a Bonferroni-adjusted alpha level of 0.0045.