Table 1.
Baseline characteristics of SWAN participants with and without infertility (N = 2990)
| Characteristic | Infertility (n = 738) | No infertility (n = 2252) |
|---|---|---|
| Mean age (SD), years | 45.7 (2.7) | 45.8 (2.7) |
| Race/ethnicity | ||
| Black/African American | 187 (25.3) | 661 (29.4) |
| Chinese/Chinese American | 51 (6.9) | 191 (8.5) |
| Japanese/Japanese American | 70 (9.5) | 149 (6.6) |
| Caucasian/white non-Hispanic | 375 (50.8) | 1063 (47.2) |
| Hispanic | 55 (7.5) | 188 (8.4) |
| Education | ||
| Less than high school | 38 (5.2) | 171 (7.6) |
| High school diploma | 118 (16.0) | 405 (18.0) |
| Some college/technical school | 248 (33.6) | 700 (31.1) |
| College degree | 149 (20.2) | 451 (20.0) |
| Postgraduate education | 180 (24.4) | 511 (22.7) |
| Missing | 5 (0.7) | 14 (0.6) |
| Insurance | ||
| Private | 655 (88.8) | 1874 (83.2) |
| Government (Medicare, Medicaid, veteran) | 25 (3.4) | 96 (4.3) |
| Other | 15 (2.0) | 95 (4.2) |
| No insurance | 41 (5.6) | 174 (7.7) |
| Missing | 2 (0.3) | 13 (0.6) |
| Married or in a committed relationship | ||
| Yes | 626 (84.8) | 1696 (75.3) |
| No | 112 (15.2) | 556 (24.7) |
| Income | ||
| Less than $19,999 | 80 (10.8) | 334 (14.8) |
| $20,000-$49,999 | 225 (30.5) | 777 (34.5) |
| $50,000-$99,999 | 294 (39.8) | 775 (34.4) |
| $100,000 or more | 118 (16.0) | 314 (13.9) |
| Missing | 21 (2.9) | 52 (2.3) |
| Body mass index | ||
| Underweight or average weight | 269 (36.5) | 834 (37.0) |
| Overweight | 200 (27.1) | 595 (26.4) |
| Obese | 258 (35.0) | 784 (34.8) |
| Missing | 11 (1.5) | 39 (1.7) |
| Birth control or female hormones used continuously from 25-35 years | ||
| Yes | 51 (6.9) | 193 (8.6) |
| No | 686 (93.0) | 2058 (91.4) |
| Missing | 1 (0.1) | 1 (0.04) |
| Family history of CVD events | ||
| Yes | 402 (54.5) | 1251 (55.6) |
| No | 233 (31.6) | 681 (30.2) |
| Missing | 103 (14.0) | 320 (14.2) |
| Hypertension | ||
| Yes | 132 (17.9) | 409 (18.2) |
| No | 604 (81.8) | 1841 (81.8) |
| Missing | 2 (0.3) | 2 (0.1) |
| Diabetes | ||
| Yes | 36 (4.9) | 100 (4.4) |
| No | 701 (95.0) | 2150 (95.5) |
| Missing | 1 (0.1) | 2 (0.1) |
| Menopausal status | ||
| Premenopausal | 405 (54.9) | 1189 (52.8) |
| Perimenopausal | 330 (44.7) | 1045 (46.4) |
| Missing | 3 (0.4) | 18 (0.8) |
| Postmenopausal hormone use | ||
| Yes | 181 (24.5) | 504 (22.4) |
| No | 557 (75.5) | 1748 (77.6) |
| Smoking | ||
| Current | 110 (14.9) | 395 (17.5) |
| Former | 204 (27.6) | 538 (23.9) |
| Never | 421 (57.1) | 1.300 (57.7) |
| Missing | 3 (0.4) | 19 (0.8) |
| Alcohol | ||
| Yes | 379 (51.4) | 1057 (46.9) |
| No | 333 (45.1) | 1076 (47.8) |
| Missing | 26(3.5) | 119 (5.3) |
Data are presented as n (%) except where otherwise noted.
CVD, cardiovascular disease.