Table 1.
Age and unadjusted height (cm) and BMI (kg/m2) in females and males from same- and opposite-sex twin pairs
| Females | Males | |||
|---|---|---|---|---|
| SS | OS | SS | OS | |
| Number of individuals | 39,856 | 27,100 | 28,638 | 26,708 |
| Age | ||||
| Mean | 43.9 | 43.0 | 44.5 | 43.3 |
| SD | 16.9 | 15.7 | 16.6 | 15.6 |
| Min | 20.0 | 20.0 | 20.0 | 20.0 |
| Max | 99.0 | 95.9 | 99.2 | 94.5 |
| Height | ||||
| Mean | 164.6 | 165.0 | 178.3 | 178.5 |
| SD | 6.8 | 6.7 | 7.2 | 7.2 |
| Min | 135.0 | 135.7 | 147.0 | 145.0 |
| Max | 193.0 | 194.0 | 208.3 | 207.0 |
| BMI | ||||
| Mean | 24.0 | 24.0 | 25.2 | 25.3 |
| SD | 4.6 | 4.4 | 3.6 | 3.7 |
| Min | 13.1 | 13.3 | 14.2 | 13.4 |
| Max | 49.9 | 49.8 | 47.8 | 49.8 |
SS same sex, OS opposite sex, SD standard deviation, Min minimum, Max maximum, BMI body mass index