Table 2.

Baseline characteristics of the REGARDS Study population ≥75 years old by albumin-to-creatinine ratio

Participant CharacteristicsAlbumin-to-Creatinine Ratio, mg/g
<3030–299≥300
n2781658118
Age, yr79.2±3.879.9±4.179.7±3.9
Women57.250.244.9
Black30.941.552.5
Less than a high school education16.220.712.7
Household income<$20,00021.024.528.0
Geographic region
 Stroke belt30.230.124.6
 Stroke buckle20.219.512.7
 Other region49.750.562.7
Current smoker4.77.613.6
Hypertension65.877.482.2
Atrial fibrillation12.619.119.0
Coronary heart disease26.133.534.8
Stroke7.411.911.0
Diabetes mellitus16.131.147.9
Systolic BP (mmHg)129.6±16.6136.1±19.4139.8±20.9
Diastolic BP (mmHg)73.7±9.375.1±10.476.6±10.5
Waist circumference (cm)92.8±14.395.1±15.597.4±13.1
HDL cholesterol (mg/dl)54.0±17.050.6±16.152.2±16.5
Total cholesterol (mg/dl)185.4±39.0180.8±38.7188.3±38.8
High-sensitivity C-reactive protein (mg/L)1.8 (0.9–4.0)2.4 (1.0–5.3)4.6 (1.5–8.2)
Cognitive impairment12.916.923.7
Depressive symptoms9.89.78.5
Exhaustion15.418.417.8
Falls (≥2 within the past year)8.412.911.9
Impaired mobility18.124.023.7
Polypharmacy (≥10 medications)21.425.731.4
  • Numbers are percentages or means±SDs except for high-sensitivity C-reactive protein, which is medians (25th–75th quartiles).