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Table 1 Study sample characteristics by history of HDP

From: Midlife development of type 2 diabetes and hypertension in women by history of hypertensive disorders of pregnancy

  No history of HDP HDP history
  Missing data, N   Missing data, N
N participants (%) 6302 (95.7) 285 (4.3)
Age at age 50 visit, years mean ± SD 50.1 ± 0.3 50.1 ± 0.3
Age at age 60 visit, years mean ± SD 60.0 ± 0.2 60.0 ± 0.2
Family history of CVD, N (%) 1787 (28.4) 92 (32.3)
Family history of diabetes, N (%) 1968 (31.2) 99 (34.7)
MAP at 50 years, mmHg mean ± SD 95 ± 13 68 106 ± 14 4
SBP at 50 years, mmHg mean ± SD 127 ± 19 61 141 ± 20 4
SBP at 60 years, mmHg mean ± SD 136 ± 20 5 146 ± 19
DBP at 50 years, mmHg mean ± SD 79 ± 11 67 88 ± 13 4
DBP at 60 years, mmHg mean ± SD 82 ± 11 7 87 ± 11
BMI at 50 years, kg/m2 mean ± SD 25.3 ± 4.0 26.5 ± 4.5
BMI at 60 years, kg/m2 mean ± SD 26.4 ± 4.5 5 27.4 ± 4.8
2 h glucose post-OGTT at age 50 years, mmol/l mean ± SD 6.78 ± 1.3 233 6.92 ± 1.4 11
Education level, N (%)   
 Elementary school or less 1167 (18.5)   56 (19.7)*  
 High school 3390 (53.8)   157 (55.1)*  
 College/University 1745 (27.7)   72 (25.3)*  
Cholesterol age 50 years, mmol/l median (IQR) 5.62 (4.99; 6.35) 59 5.83 (5.10; 6.65) 1
Cholesterol age 60 years, mmol/l median (IQR) 5.95 (5.30; 6.64) 11 6.00 (5.38; 6.76) 1
Smoking age 50 years, N (%) 1449 (23.0) 54 (19.0)
Smoking age 60 years, N (%) 911 (14.5) 32 (11.2)
  1. Dashes in columns are markers of no missing data in the study sample
  2. BMI body mass index, DBP diastolic blood pressure, MAP mean arterial blood pressure, OGTT oral glucose tolerance test, SBP systolic blood pressure
  3. * Percentage not adding up to 100% due to rounding