Table I.
Means (SD) and proportions of selected characteristics in the EBBA-I subject population (n = 192).
| Mean (SD) | |
|---|---|
| Demographics and anthropometrics | |
| Age (years) | 30.7 (3.1) |
| Years of schooling | 16.1 (3.0) |
| Height (cm) | 167.0 (6.5) |
| Weight (kg) | 68.1 (11.7) |
| BMI (kg/m2) | 24.4 (3.8) |
| Reproductive characteristics | |
| Married, % | 61.5 |
| Parous, % | 49.5 |
| Age at menarche (years) | 13.1 (1.4) |
| Previous use of hormonal contraception, % | 80.6 |
| Cycle length (days) | 28.4 (3.4) |
| Follicular phase length (days) | 15.0 (3.8) |
| Luteal phase length (days) | 13.4 (1.7) |
| Mean follicular estradiol (pmol/l): cycle days −10 to −1 | 18.0 (9.6) |
| Mean progesterone (pmol/l): cycle days 0 to +14 | 143.4 (74.1) |
| Lifestyle characteristics | |
| Energy intake (kJ/day) | 8097 (1891) |
| Alcohol use (units/week) | 3.5 (3.4) |
| Current smokers, % | 22.3 |