Table 1.
Participant characteristics stratified by type of hormonal contraceptive (HC), and by use and non-use of HC (mean and SD).
| Characteristics information |
Progestin-only HC users
(n = 49) |
Combined HC users
(n = 28) |
All HC users
(n = 77) |
Non-HC users
(n = 36) |
Seniors
(n = 62) |
Juniors
(n = 51) |
National team athletes
(n = 30) |
Non-national team athletes
(n = 83) |
|---|---|---|---|---|---|---|---|---|
| Age (y) | 21.3 (2.7) | 22.2 (4.0) | 21.6 (3.2) | 20.8 (3.1) | 23.5 (2.9)** | 18.8 (0.7) | 23.2 (3.9)** | 20.7 (2.6) |
| Body height (cm) | 168.6 (5.0) | 168.1 (4.3) | 168.4 (4.7) | 169.3 (6.4) | 168.4 (5.3) | 169.0 (5.4) | 169.8 (4.9) | 168.3 (5.4) |
| Body mass (kg) | 61.5 (5.3) | 60.3 (3.3) | 61.1 (4.7)** | 63.5 (4.7) | 61.2 (4.6) | 62.6 (4.9) | 63.2 (5.0) | 61.4 (4.7) |
| Annual training volume (hr/year) | 611.5 (113.1)* | 667.8 (124.8) | 632.2 (119.8) | 644.7 (122.4) | 679.3 (122.5)** | 582.8 (93.9) | 725.9 (120.6)* | 603.4 (102.7) |
Significant differences between groups (*P < 0.05 and **P < 0.01).