Characteristics among participants of CARDIA, ARIC, and CHS at baseline included in the regression analyses
Characteristic | CARDIA (n=4039, T=10) | CARDIA-10 (n=2813, T=10) | ARIC (n=8875, T=9) | CHS (n=3094, T=7) | ||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Age (years) | 24.89 | 3.60 | 35.03 | 3.59 | 53.81 | 5.67 | 72.41 | 4.95 |
Black (=1) | 48.58% | 49.99% | 44.80% | 49.74% | 17.12% | 37.67% | 3.88% | 19.31% |
Male (=1) | 44.54% | 49.71% | 45.14% | 49.77% | 44.37% | 49.69% | 38.40% | 48.64% |
BMI | 24.35 | 4.72 | 27.07 | 5.87 | 27.09 | 4.91 | 26.13 | 3.79 |
Smoker (=1) | 13.02% | 33.66% | 13.76% | 34.45% | 21.90% | 41.36% | 51.39% | 49.99% |
High cholesterol (=1) | 2.23% | 14.76% | 64.62% | 47.82% | 25.06% | 43.34% | 28.41% | 45.11% |
Parental history (=1) | 13.52% | 34.20% | 20.84% | 40.62% | 24.60% | 43.07% | 35.36% | 47.82% |
SBP (mm Hg) | 110.08 | 11.01 | 109.21 | 12.16 | 118.60 | 16.91 | 133.99 | 20.90 |
FPG (mg/dL) | 81.66 | 8.26 | 86.52 | 11.18 | 98.44 | 9.13 | 99.49 | 9.37 |
HDL (mg/dL) | 53.16 | 13.23 | 50.40 | 13.89 | 52.74 | 17.12 | 55.55 | 15.72 |
Triglycerides | 72.36 | 47.16 | 89.36 | 68.28 | 124.39 | 75.24 | 135.73 | 64.48 |
Age groups: CARDIA: 18–30 years; CARDIA-10: 28–40 years; ARIC: 45–64 years; CHD: 65 years and older. (=1) indicates a binary variable. T indicates maximum follow-up time in the sample in terms of years. High cholesterol=1 if 240 mg/dL and above. BMI=(weight in kg)/(height in meters)2.
ARIC, Atherosclerosis Risk in Communities; BMI, body mass index; CARDIA, Coronary Artery Risk Development in Young Adults; CHS, Cardiovascular Heart Study; FPG, fasting plasma glucose; HDL, high-density lipoprotein cholesterol; SBP, systolic blood pressure.