Table 1.
Participant characteristics at the start of the first in vitro fertilization cycle, stratified by age at the start of the last in vitro fertilization cycle.
| Characteristic | <30y (n = 28) | 30 to < 35 y (n = 85) | 35 to <40y (n = 121) | 40 to < 43 y (n = 78) |
|---|---|---|---|---|
| Age, y | 27.9(26.6–29.1) | 32.5 (30.8–33.7) | 36.9 (35.6–38.5) | 40.8 (40.0–41.6) |
| Partner age, y | 30.0 (28.0–32.0) | 33.0(31.0–36.0) | 37.0 (34.0–39.0) | 40.0 (36.0–43.0) |
| Body mass index, kg/m2 | 24.1 (21.6–29.6) | 27.1 (23.2–30.2) | 25.7(22.0–31.2) | 25.4 (23.0–34.0) |
| Gravidity | ||||
| 0 | 15(53.6) | 47 (55.3) | 60 (50.0) | 33 (42.3) |
| 1 | 8(28.6) | 18(21.2) | 31 (25.8) | 17(21.8) |
| ≥2 | 5(17.9) | 20(23.5) | 29 (24.2) | 28 (35.9) |
| Parity | ||||
| 0 | 24 (85.7) | 67 (79.8) | 90 (75.0) | 55 (70.5) |
| 1 | 2(7.1) | 15(17.9) | 28(23.3) | 19(24.4) |
| ≥2 | 2(7.1) | 2 (2.4) | 2(1.7) | 4(5.1) |
| Months of infertility | 12.0(9.0–24.0) | 17.0(12.0–36.0) | 18.0(12.0–26.0) | 18.0(12.0–24.0) |
| Insurance coverage | ||||
| For all treatment | 17(60.7) | 56 (65.9) | 94(77.7) | 42 (53.8) |
| For some treatment | 11(39.3) | 29(34.1) | 27(22.3) | 36 (46.2) |
| Highest level of education | ||||
| Less than high school | 0 (0.0) | 2 (2.4) | 0 (0.0) | 0 (0.0) |
| High school graduate | 2(7.1) | 2 (2.4) | 2(1.7) | 5 (6.5) |
| Some college | 5(17.9) | 7 (8.3) | 9 (7.4) | 6 (7.8) |
| College graduate | 13(46.4) | 35(41.7) | 55 (45.5) | 27(35.1) |
| Master degree | 7 (25.0) | 30 (35.7) | 45 (37.2) | 29 (37.7) |
| Doctoral degree | 1 (3.6) | 8 (9.5) | 10(8.3) | 10(13.0) |
Note: Data are presented as median (interquartile range) or n (%).
Domar. Why insured women terminate IVF treatment. Fertil Steril 2018.