Table 3.
Characteristics of Study Participants by Prenatal DES Exposure Status
| Characteristic | DES-Exposeda | DES-Unexposeda |
|---|---|---|
| Total | 3941 (100) | 1705 (100) |
| Cohort | ||
| DESAD | 3222 (81.8) | 812 (47.6) |
| Dieckmann | 251 (6.4) | 219 (12.8) |
| Horne | 204 (5.2) | 142 (8.3) |
| Women’s Health Study | 264 (6.7) | 532 (31.2) |
| Year of birth | ||
| <1950 | 650 (16.5) | 431 (25.3) |
| 1950–1954 | 1666 (42.3) | 705 (41.4) |
| 1955–1959 | 996 (25.3) | 403 (23.6) |
| 1960+ | 629 (16.0) | 166 (9.7) |
| Education (1994) | ||
| High school or less | 510 (12.9) | 341 (20.0) |
| Some college | 863 (21.9) | 415 (24.3) |
| 4-y college | 1332 (33.8) | 518 (30.4) |
| Graduate school | 1037 (26.3) | 394 (23.1) |
| Missing | 199 (5.1) | 37 (2.2) |
| Parity | ||
| Nulliparous | 1289 (32.7) | 399 (23.4) |
| Parous | 2637 (66.9) | 1303 (76.4) |
| Missing | 15 (0.38) | 3 (0.18) |
| Smoking status (1994) | ||
| Never | 2198 (55.8) | 848 (49.7) |
| Ever | 1534 (38.9) | 812 (47.6) |
| Missing | 209 (5.3) | 45 (2.6) |
| BMI (1994) | ||
| <20 kg/m2 | 555 (14.1) | 250 (14.7) |
| 20–24 kg/m2 | 1978 (50.2) | 839 (49.2) |
| 25–29 kg/m2 | 727 (18.5) | 363 (21.3) |
| ≥30 kg/m2 | 459 (11.7) | 204 (12.0) |
| Missing | 222 (5.6) | 49 (2.9) |
| Alcohol intake (1994) | ||
| No | 815 (20.7) | 352 (20.7) |
| Yes | 2892 (73.4) | 1297 (76.1) |
| Missing | 234 (5.9) | 56 (3.3) |
| General physical exams (last 5 y; 1994) | ||
| 0 | 573 (14.5) | 212 (12.4) |
| 1 | 922 (23.4) | 381 (22.4) |
| 2–3 | 1224 (31.1) | 556 (32.6) |
| ≥4 | 951 (24.1) | 483 (28.3) |
| Missing | 271 (6.9) | 73 (4.3) |
| Birth weight | ||
| <3000 g | 1451 (36.8) | 359 (21.1) |
| 3000–3499 g | 1360 (34.5) | 570 (33.4) |
| ≥3500 g | 847 (21.5) | 438 (25.7) |
| Missing | 283 (7.2) | 338 (19.8) |
| Gestational age | ||
| <37 wk | 446 (11.3) | 59 (3.5) |
| 37–39 wk | 1416 (35.9) | 549 (32.2) |
| ≥40 wk | 1272 (32.3) | 620 (36.4) |
| Missing | 807 (20.5) | 477 (28.0) |
| Age at menarche (1994) | ||
| <12 y | 614 (15.6) | 284 (16.7) |
| 12–13 y | 2368 (60.1) | 987 (57.9) |
| ≥14 y | 919 (23.3) | 414 (24.3) |
| Missing | 40 (1.0) | 20 (1.2) |
| Menstrual status (at last follow-up) | ||
| Premenopausal | 352 (8.9) | 152 (8.9) |
| Postmenopausal | 2637 (66.9) | 1187 (69.6) |
| Censored | 952 (24.2) | 366 (21.5) |
| Postmenopausal hormone use (at last follow-up) | ||
| Never | 2185 (55.4) | 948 (55.6) |
| Ever | 1714 (43.5) | 744 (43.6) |
| Censored | 42 (1.1) | 13 (0.76) |
Values are expressed as number (percentage) of participants.
a
Percentages in table do not always add to 100% because of rounding.