Table 1.
Demographic, lifestyle, reproductive and anthropometric characteristics, and hormone concentrations among 314 premenopausal Mongol women.
| Characteristic | N | Mean (SD) or Percent | Min | Max |
|---|---|---|---|---|
| Lifestyle and Demographic | ||||
| Age (y) | 314 | 34.9 (4.8) | 24.0 | 45.0 |
| Education | ||||
| Some/graduated high school | 110 | 35% | ||
| Some/graduated college | 204 | 65% | ||
| House Type | ||||
| Ger (yurt) | 103 | 33% | ||
| Apartment or House | 211 | 67% | ||
| Previously lived as nomad | 41 | 13% | ||
| Physical Activity Level | ||||
| Low | 52 | 16.6% | ||
| Moderate | 77 | 24.5% | ||
| Vigorous | 184 | 58.6% | ||
| Ever Smokers | 54 | 17.2% | ||
| Consume Alcohol | 70 | 22.3% | ||
| Reproductive | ||||
| Age at menarche (y) | 314 | 14.8 (1.5) | 11.0 | 20.0 |
| Total number of months breastfed | 314 | 39.2 (30.7) | 0.0 | 168 |
| Average months breastfed each child | 314 | 19.3 (13.9) | 0.0 | 72.0 |
| Anthropometrics | ||||
| Weight (kg) | 314 | 62.6 (12.0) | 35.8 | 119 |
| Height (cm) | 314 | 157.2 (5.6) | 138.6 | 172 |
| Body mass index (kg/m2) | 314 | 25.3 (4.5) | 16.4 | 46.3 |
| Waist circumference (cm) | 314 | 81.7 (11.0) | 57.0 | 121 |
| Weight at 18 (kg) | 313 | 54.4 (7.6) | 37.0 | 78.0 |
| BMI at 18 (kg/m2) | 313 | 22.0 (3.1) | 15.2 | 34.8 |
| Hormones | ||||
| Androstenedione (ng/mL) | 314 | 1.0 (0.4) | 0.3 | 2.50 |
| Testosterone (ng/dL) | 314 | 32.1 (13.6) | 9.9 | 103 |
| Progesterone (ng/mL) | 297 | 5.1 (6.9) | 0.1 | 33.3 |
| Estrone (pg/mL) | 314 | 85.1 (50.1) | 18.5 | 458 |
| Estradiol (pg/mL) | 314 | 133 (103) | 7.5 | 995 |