Self reported history of primary amenorrhoea (HPA) and secondary amenorrhoea (HSA) in the different sport groups, in all athletes (ATH), and in controls (CON)
| G1 (n = 84) | G2 (n = 104) | G3 (n = 32) | G4 (n = 35) | G5 (n = 302) | G6 (n = 40) | G7 (n = 17) | ATH (n = 614) | CON (n = 546) | |
|---|---|---|---|---|---|---|---|---|---|
| Data are given as valid percentage—that is, the percentage of cases having HPA/HSA when only cases without missing values are considered. Those younger than 16 were excluded. | |||||||||
| ap<0.001 compared with G5; bp<0.001 compared with controls (age and BMI adjusted); cp<0.05 compared with controls (not significant when adjusting for age and BMI). | |||||||||
| Sport groups: G1, technical; G2, endurance; G3, aesthetic; G4, weight class; G5, ball game; G6, power; G7, anti-gravitation. | |||||||||
| HPA | 1.2 | 10.6 | 21.9a | 8.6 | 6.0 | 10.0 | 5.9 | 7.3b | 2.0 |
| HSA | 16.7 | 30.9a | 34.5 | 23.5 | 12.8 | 12.8 | 17.6 | 18.2c | 13.5 |