Table I.
Baseline Characteristics of the Original Study Cohort (N=11,407)
| Variable | Mean (SD) or Percentage |
|---|---|
| Age, y | 56 (9.0) |
| Sex, % female | 54 |
| Race, % white | 83 |
| Education, % <high school | 48 |
| Systolic BP, mm Hg | 115 (12.5) |
| Diastolic BP, mm Hg | 70 (8.8) |
| Total cholesterol, mmol/L | 5.4 (1.0) |
| LDL cholesterol, mmol/L | 3.5 (1.0) |
| HDL cholesterol, mmol/L | 1.4 (0.4) |
| Creatinine, μmol/L | 88.4 (26.5) |
| BMI, kg2/cm | 26 (4.6) |
| Current exercise, % | 71 |
| Current alcohol use, % | 74 |
| Diabetes mellitus, % | 7 |
| Current smoker, % | 25 |
| Former smoker, % | 34 |
| Parental history of hypertension,a % | 46 |
Abbbreviations: BMI, body mass index; BP, blood pressure; HDL, high-density lipoprotein; LDL, low-density lipoprotein; SD, standard deviation.
a
Data was imputed for the Cardiovascular Health Study (CHS) cohort by a statistical technique using the information available in the Atherosclerosis Risk in Communities (ARIC) cohort as this variable was not collected in the CHS.