Table 1.
Study participant characteristics of 296 premenopausal women according to quartile of anti-Mullerian hormone (AMH)
| AMH |
||||
|---|---|---|---|---|
| Quartile 1 (<0.28 ng/ml) | Quartile 2 (0.28–0.92 ng/ml) | Quartile 3 (0.93–2.22 ng/ml) | Quartile 4 (≥2.23 ng/ml) | |
| N(%) | N(%) | N(%) | N(%) | |
| Age, years | ||||
| <40 | 2 (3) | 11 (15) | 22 (30) | 27 (36) |
| 40–44 | 42 (58) | 46 (61) | 37 (50) | 44 (59) |
| 45 | 29 (40) | 18 (24) | 15 (20) | 3 (4) |
| Race/ethnicity | ||||
| Non-Hispanic white | 63 (86) | 62 (83) | 66 (89) | 66 (89) |
| Non-Hispanic black | 5 (7) | 6 (8) | 4 (5) | 2 (3) |
| Hispanic | 3 (4) | 5 (7) | 3 (4) | 4 (5) |
| Other | 2 (3) | 2 (3) | 1 (1) | 2 (3) |
| Education | ||||
| Less than Bachelor’s degree | 14 (19) | 11 (15) | 8 (11) | 10 (14) |
| Bachelor’s degree | 22 (30) | 23 (31) | 20 (27) | 19 (26) |
| Higher than Bachelor’s degree | 37 (51) | 41 (55) | 46 (62) | 45 (61) |
| Body mass index, kg/m2 | ||||
| <25.0 | 30 (41) | 36 (48) | 38 (51) | 43 (58) |
| 25.0–29.9 | 25 (34) | 26 (35) | 19 (26) | 14 (19) |
| ≥30.0 | 18 (25) | 13 (17) | 17 (23) | 17 (23) |
| Current smoker | ||||
| No | 63 (86) | 71 (95) | 61 (82) | 69 (93) |
| Yes | 10 (14) | 4 (5) | 13 (18) | 5 (7) |
| Currently using oral contraceptives | ||||
| No | 56 (77) | 65 (87) | 68 (92) | 65 (88) |
| Yes | 17 (23) | 10 (13) | 6 (8) | 9 (12) |
| Hysterectomy | ||||
| No | 63 (86) | 68 (91) | 67 (91) | 68 (92) |
| Yes | 10 (14) | 7 (9) | 7 (9) | 6 (8) |
| Unilateral oophorectomy | ||||
| No | 66 (90) | 72 (96) | 68 (92) | 73 (99) |
| Yes | 7 (10) | 3 (4) | 6 (8) | 1 (1) |
| Total energy intake, kcal/day (quartiles) | ||||
| <1233.9 | 23 (32) | 20 (27) | 16 (22) | 15 (20) |
| 1233.9–1527.4 | 13 (18) | 21 (28) | 18 (24) | 22 (30) |
| 1527.5–1979.6 | 19 (26) | 17 (23) | 22 (30) | 16 (22) |
| ≥1979.7 | 18 (25) | 17 (23) | 18 (24) | 21 (28) |