Table 5.
Associations between exercise behaviors and menstrual function.
| Oligomenorrhoea/amenorrhoea | History of amenorrhoea | |||||
|---|---|---|---|---|---|---|
| Measurea | Prevalence (%) | OR (95% CI) | p | Prevalence (%) | OR (95% CI) | p |
| Field exercise (days in last 12 months) | ||||||
| 0 | 17 | — | — | 22 | — | — |
| 1–10 | 19 | 0.88 (0.58, 1.31) | 0.541 | 26 | 1.12 (0.88, 1.42) | 0.350 |
| More than 10 | 21 | 1.08 (0.71, 1.63) | 0.710 | 32 | 1.45 (1.13, 1.85) | 0.004 |
| Arduous military courses (days in last 12 months) | ||||||
| 0 | 17 | — | — | 24 | — | — |
| 1–10 | 20 | 0.97 (0.63, 1.49) | 0.907 | 26 | 0.91 (0.69, 1.20) | 0.512 |
| More than 10 | 24 | 1.06 (0.51, 2.10) | 0.867 | 34 | 1.17 (0.78, 1.75) | 0.445 |
| Military physical training (h·week −1 ) | ||||||
| < 1 | 18 | — | — | 23 | — | — |
| 1–3 | 17 | 0.97 (0.69, 1.35) | 0.837 | 24 | 1.09 (0.89, 1.34) | 0.409 |
| 3–5 | 19 | 1.03 (0.69, 1.53) | 0.887 | 28 | 1.24 (0.97, 1.58) | 0.080 |
| > 5 | 23 | 1.06 (0.54, 1.97) | 0.867 | 27 | 1.00 (0.66, 1.49) | 0.993 |
| Personal physical training (h·week −1 ) | ||||||
| < 1 | 18 | — | — | 24 | — | — |
| 1–3 | 13 | 0.64 (0.41, 1.04) | 0.064 | 21 | 0.80 (0.60, 1.06) | 0.120 |
| 3–5 | 19 | 0.94 (0.58, 1.53) | 0.794 | 24 | 0.95 (0.71, 1.28) | 0.725 |
| > 5 | 26 | 1.31 (0.80, 2.17) | 0.290 | 31 | 1.24 (0.91, 1.69) | 0.173 |
| Military sport (level) | ||||||
| None | 17 | — | — | 23 | — | — |
| Unit/corps/region | 18 | 0.94 (0.63, 1.37) | 0.746 | 26 | 1.03 (0.82, 1.29) | 0.798 |
| Service | 21 | 1.11 (0.77, 1.58) | 0.576 | 27 | 1.13 (0.90, 1.42) | 0.284 |
CI, confidence interval; OR, odds ratio.
a
Controlling for all other factors in the table as well as age and body mass.