Table 1.
Characteristics of women with an available AMH measurement at baseline of the Doetinchem Cohort Study (n = 3104) presented by age-specific AMH tertiles
| Characteristic | Lowest age-specific AMH tertile (n = 907) |
Middle age-specific AMH tertile (n = 1184) |
Highest age-specific AMH tertile (n = 1013) |
|---|---|---|---|
| AMH, pmol/l | 0.21 (0.01–5.38) | 8.90 (0.85–19.29) | 26.85 (7.07–45.31) |
| Age, years | 42.0 (32.6–51.4) | 38.5 (31.6–46.2) | 39.1 (32.1–45.8) |
| BMI, kg/m2 | 23.7 (21.7–26.3) | 23.7 (21.7–26.2) | 23.3 (21.4–25.7) |
| Educational attainmenta | |||
| Low | 70.9 (641) | 69.3 (818) | 64.0 (646) |
| Middle | 16.7 (151) | 19.1 (226) | 21.0 (212) |
| High | 12.4 (112) | 11.6 (137) | 15.0 (152) |
| Reproductive factors | |||
| Parous, yes | 77.1 (699) | 75.1 (889) | 78.6 (796) |
| Premenopausala | 73.9 (588) | 83.0 (906) | 96.2 (917) |
| Current OC usea | 29.8 (269) | 27.6 (327) | 18.8 (190) |
| Ever HRT usea,b | 36.5 (206) | 27.2 (190) | 27.8 (184) |
| Lifestyle factors | |||
| Current smoker, yesa | 35.2 (319) | 35.4 (419) | 30.3 (307) |
| Current alcohol consumptiona | |||
| No | 20.7 (188) | 19.8 (235) | 17.6 (178) |
| <1 glass/week | 31.7 (287) | 31.4 (372) | 29.8 (302) |
| ≥1 glass/week | 47.6 (431) | 48.7 (576) | 52.6 (532) |
| Physical activitya,c | |||
| Inactive | 31.5 (224) | 26.2 (242) | 27.0 (225) |
| Active | 68.5 (486) | 73.8 (682) | 73.0 (608) |
| Total cholesterol, mmol/la | 5.4 (4.7–6.2) | 5.3 (4.6–6.0) | 5.2 (4.6–5.8) |
| Hypertension, yes | 15.4 (140) | 14.4 (171) | 10.8 (109) |
Data are presented as median (IQR) or percentage (n)
aMissing values (n): educational attainment (9); menopausal status (263), current oral contraceptive use (7), ever HRT use (1179), current smoking (1), current alcohol consumption (3), physical activity (637), total cholesterol (1)
bEver variable presented because of absent data on HRT use at baseline
cPhysical activity at examination Round 2 due to absent data on physical activity at baseline
AMH, anti-Müllerian hormone; OC, oral contraceptive; HRT, hormone replacement therapy