Table 1

Descriptive characteristics of the study sample at study entry by history of HDP

VariableNo 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/a4,325 (65.9)
History of gestational hypertension in any pregnancy*n/a3,736 (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
 18.5–24.926,577 (53.6)2,261 (34.5)
 25.0–29.913,688 (27.6)1,949 (29.7)
 30.0–34.95,868 (11.8)1,224 (18.7)
 35.0–50.03,463 (7.0)1,129 (17.2)
Physical activity, METs/week
 Fourth quartile (high activity)12,273 (24.7)1,455 (22.2)
 Third quartile12,411 (25.0)1,547 (23.6)
 Second quartile12,533 (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 quartile13,380 (27.0)1,786 (27.2)
 Second quartile12,439 (25.1)1,693 (25.8)
 First quartile (low adherence)12,860 (25.9)1,768 (26.9)
Race/ethnicity
 White/Caucasian46,232 (93.2)6,157 (93.8)
 African American547 (1.1)83 (1.3)
 Latina620 (1.3)84 (1.3)
 Asian656 (1.3)52 (0.8)
 Other806 (1.6)93 (1.4)
 Missing735 (1.5)94 (1.4)
Alcohol intake
 No intake19,180 (38.7)2,832 (43.2)
 1–15 g/day27,078 (54.6)3,347 (51.0)
 >15 g/day3,338 (6.7)384 (5.9)
Smoking status
 Never32,832 (66.2)4,308 (65.6)
 Past12,627 (25.5)1,716 (26.1)
 Current4,137 (8.3)539 (8.2)
Parity
 1 birth8,250 (16.6)1,223 (18.6)
 2 births24,293 (49.0)3,137 (47.8)
 3 or more births17,053 (34.4)2,203 (33.6)
Menopausal status
 Premenopause41,853 (84.4)5,354 (81.6)
 Postmenopause6,340 (12.8)995 (15.2)
 Unknown1,403 (2.8)214 (3.3)
  • Data are n (%) unless otherwise indicated. n/a, not applicable.

  • *Categories not mutually exclusive.

  • †Missing = 445 (0.8%).