Table 1.
Participant characteristics of HC and non-HC users. Data presented as mean (SD) or number; percentage of total within sporta or HC-user groupb.
| HC users (n = 58) | Non-HC users (n = 119) | Total (n = 177) | |
|---|---|---|---|
| Age (y) | 24.9 (5.2) | 24.3 (7.2) | 24.5 (5.2) |
| Height (m) | 1.68 (0.06) | 1.71 (0.32)* | 1.70 (0.07) |
| Mass (kg) | 71.5 (12.5) | 71.0 (15.7) | 71.1 (11.6) |
| Sport (n; %)a | |||
| Rugby League | 17; 35% | 32; 65%* | 49; 24% |
| Rugby Union/Sevens | 22; 46% | 26; 54% | 48; 24% |
| Australian Football | 19; 24% | 61; 76%* | 80; 39% |
| Age at menarche (n; %)b | |||
| 11 years or younger | 9; 16% | 13; 11% | 22; 12% |
| 12–14 years | 34; 59% | 77; 65% | 111; 63% |
| 15 years or older | 15; 26% | 26; 22% | 41; 23% |
| Don't remember | 0; 0% | 3; 3% | 3; 2% |
| Duration competing at current level (n, %)b | |||
| 0–2 years | 28; 48% | 60; 50% | 88; 50% |
| 2–4 years | 21; 36% | 39; 33% | 60; 34% |
| 4–6 years | 5; 9% | 9; 8% | 14; 8% |
| >6 years | 5; 9% | 17; 14%* | 22; 12% |
a
Percentage represented from total within each specific sport.
b
Percentage represented from total within hormonal contraceptive use category.
HC, hormonal contraceptive.
*
Significant difference between HC and non-HC groups; p < 0.05.