Descriptive and modifiable lifestyle characteristics of adolescent female athletes and age matched controls (n = 20 per group)
| Athlete | Control | p Value | |
|---|---|---|---|
| Values are mean (SD). | |||
| BMI, Body mass index. | |||
| Age (years) | 15.9 (1.6) | 16 (1.8) | 0.894 |
| Height (m) | 1.66 (0.5) | 1.62 (0.6) | 0.03 |
| Axial length (cm) | 59.48 (2.9) | 59.38 (2.6) | 0.913 |
| Femur length (cm) | 43.3 (1.8) | 42.02 (1.8) | 0.031 |
| Tibia length (cm) | 35.3 (1.9) | 34.1 (1.8) | 0.063 |
| Weight (kg) | 52.2 (6.1) | 58.7 (10.8) | 0.027 |
| BMI (kg/m2) | 18.7 (1.5) | 22.2 (4.1) | 0.002 |
| Fat mass (kg) | 8.2 (2.8) | 19.5 (8.4) | 0.001 |
| Lean tissue (kg) | 41.8 (4.2) | 36.3 (3.3) | 0.001 |
| Plantar flexion (N.m) | 46.7 (11.1) | 46.3 (16.3) | 0.928 |
| Dorsiflexion (N.m) | 18.2 (5.2) | 18.5 (8.9) | 0.881 |
| Physical activity (hours/ week) | 8.9 (4.1) | 2 (0.7) | 0.001 |
| Calcium (mg) | 1271.7 (122) | 698.9 (79.4) | 0.007 |
| Age at menarche (years) | 12.5 (4.3) | 12.4 (3.1) | 0.953 |
| Oestrogen (pmol/l) | 146.95 (36.20) | 152.20 (43.60) | 0.862 |