Table 1.

Characteristics of the Reasons for Geographic and Racial Differences in Stroke study participants with a history of cardiovascular disease by level of estimated GFR

Estimated GFR (ml/min per 1.73 m2)
≥60 (n=5545)45–59 (n=837)<45 (n=531)
Age (years)66.9 (8.9)73.0 (8.3)72.9 (8.5)
Female sex43.746.246.7
Black race38.636.143.5
Married60.953.549.5
Less than high school education16.620.923.8
Annual income ≥$20,00074.472.162.6
Region of residence
 nonstroke belt43.144.049.2
 stroke belt36.533.130.1
 stroke buckle20.422.920.7
Current smoker17.311.712.8
Symptoms of depression14.814.312.6
Cognitive impairment10.215.016.6
Diabetes mellitus29.533.950.8
Hypertension70.681.885.8
Body mass index (kg/m2)29.4 (6.1)29.3 (6.4)29.3 (6.1)
Albuminuria ≥30 mg/g18.528.957.0
Prior history of cardiovascular disease
 prior myocardial infarction49.248.549.0
 coronary artery revascularization42.849.947.1
 stroke23.628.330.7
 aortic aneurysm repair3.45.15.5
 lower extremity bypass surgery7.49.89.4
 carotid endarterectomy or angioplasty7.311.712.1
  • All values are percentages or mean (SD).