Table 1.
Descriptive characteristics of the study sample at study entry by history of HDP
| Variable | No HDP (n = 49,596) | HDP (n = 6,563) |
|---|---|---|
| Age, years, mean (SD) | 46.3 (1.1) | 46.3 (1.2) |
| History of preeclampsia in any pregnancy* | n/a | 4,325 (65.9) |
| History of gestational hypertension in any pregnancy* | n/a | 3,736 (56.9) |
| BMI at age 18 years, kg/m2, mean (SD)† | 20.9 (2.8) | 21.7 (3.3) |
| Parental history of diabetes | 14,709 (29.7) | 2,112 (32.2) |
| Current BMI, kg/m2, mean (SD) | 25.9 (5.3) | 28.7 (6.4) |
| Current BMI, kg/m2 | ||
| 18.5–24.9 | 26,577 (53.6) | 2,261 (34.5) |
| 25.0–29.9 | 13,688 (27.6) | 1,949 (29.7) |
| 30.0–34.9 | 5,868 (11.8) | 1,224 (18.7) |
| 35.0–50.0 | 3,463 (7.0) | 1,129 (17.2) |
| Physical activity, METs/week | ||
| Fourth quartile (high activity) | 12,273 (24.7) | 1,455 (22.2) |
| Third quartile | 12,411 (25.0) | 1,547 (23.6) |
| Second quartile | 12,533 (25.3) | 1,713 (26.1) |
| First quartile (low activity) | 12,379 (25.0) | 1,848 (28.2) |
| DASH diet score | ||
| Fourth quartile (high adherence) | 10,917 (22.0) | 1,316 (20.1) |
| Third quartile | 13,380 (27.0) | 1,786 (27.2) |
| Second quartile | 12,439 (25.1) | 1,693 (25.8) |
| First quartile (low adherence) | 12,860 (25.9) | 1,768 (26.9) |
| Race/ethnicity | ||
| White/Caucasian | 46,232 (93.2) | 6,157 (93.8) |
| African American | 547 (1.1) | 83 (1.3) |
| Latina | 620 (1.3) | 84 (1.3) |
| Asian | 656 (1.3) | 52 (0.8) |
| Other | 806 (1.6) | 93 (1.4) |
| Missing | 735 (1.5) | 94 (1.4) |
| Alcohol intake | ||
| No intake | 19,180 (38.7) | 2,832 (43.2) |
| 1–15 g/day | 27,078 (54.6) | 3,347 (51.0) |
| >15 g/day | 3,338 (6.7) | 384 (5.9) |
| Smoking status | ||
| Never | 32,832 (66.2) | 4,308 (65.6) |
| Past | 12,627 (25.5) | 1,716 (26.1) |
| Current | 4,137 (8.3) | 539 (8.2) |
| Parity | ||
| 1 birth | 8,250 (16.6) | 1,223 (18.6) |
| 2 births | 24,293 (49.0) | 3,137 (47.8) |
| 3 or more births | 17,053 (34.4) | 2,203 (33.6) |
| Menopausal status | ||
| Premenopause | 41,853 (84.4) | 5,354 (81.6) |
| Postmenopause | 6,340 (12.8) | 995 (15.2) |
| Unknown | 1,403 (2.8) | 214 (3.3) |
Data are n (%) unless otherwise indicated. n/a, not applicable.
*Categories not mutually exclusive.
†Missing = 445 (0.8%).