Table 1. Characteristics of female athletes with menstrual disorders (MD), regular menstrual cycles (E), or hormonal contraceptive (HC) users. Data are means (±SD) or median and range. |
|
MD a (n = 10) |
E b (n = 13) |
HC c (n = 16) |
Age (yrs) |
22.7 (3.2) |
21.1 (3.8) |
23.2 (3.54) |
Menarchal age (yrs) |
13.4 (1.5) |
13.8 (1.7) |
13.0 (1.3) |
Weight (kg) |
54.2 (6.1) b |
62.2 (7.8) a |
61.8 (8.1) a |
Height (m) |
1.66 (.05) |
1.68 (.05) |
1.67 (.06) |
BMI (kg·m-2) |
19.6 (1.7)b |
22.0 (2.2) a |
22.2 (2.4) a |
Body fat (%) |
18.2 (3.7) b |
20.4 (5.2) a,c |
23.2 (4.4) a |
Lean body mass (kg) |
41.3 (5.5) |
46.4 (5.8) |
45.1 (5.8) |
Menstrual cycles per year |
4 (3) b |
12 (1) a |
12 (1) a |
Missed menstrual cycles (since menarche) |
47 (16-57) b |
4 (0-21) a |
3.5 (0-36) a |
Months on hormonal contraceptives |
12 (0-84) c |
0 (0-120) c |
78 (36-192) a,b |
Physical activity (hrs·wk-1) |
11.2 (3.9) |
9.2 (3.0) |
11.7 (6.0) |
Physical activity energy expenditure (kcal·d-1) |
622 (237) |
604 (213) |
596 (220) |
|
Superscripts denote significantly (p < 0.05) differences between the groups. |
|