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Table 1 Characteristics (%) of the Study Populationa by nINC and Medicaid Status: ARIC Community Surveillance (1993-2002)

From: Neighborhood socioeconomic status, Medicaid coverage and medical management of myocardial infarction: Atherosclerosis risk in communities (ARIC) community surveillance

Characteristic Overall Median Household Income (nINC) Medicaid Status
   Low Medium High Yes No
  n = 14,152 n = 4,439 n = 5,556 n = 4,157 n = 1,381 n = 12,771
nINC, mean (U.S. dollars) $42,059 $23,629 $42,474 $61,189 $29,059 $43,465
Female 34.0 41.4 31.6 29.4 62.2 31.0
Black 23.2 57.2 10.6 3.9 57.8 19.5
Study Community       
   Washington Co., MD 16.9 23.6 60.8 15.6 90.4 9.6
   Minneapolis, MN 19.5 2.0 33.3 64.7 96.6 3.4
   Jackson, MS 24.3 65.5 18.8 15.7 81.1 18.9
   Forsyth Co., NC 39.3 28.2 45.7 26.1 92.7 7.3
Age ≥ 65 yr 41.5 38.1 44.0 41.7 61.3 58.2
Health Insurance Status       
   Medicaid 9.8 21.5 5.4 3.0 - -
Cardiac Pain 87.5 87.3 86.2 89.5 81.4 88.2
Hospital Type, Teaching 36.9 34.1 29.6 49.6 37.2 36.8
Diabetes 32.4 39.8 31.1 26.4 52.5 30.3
Hypertension 63.7 74.7 60.2 56.7 82.1 61.7
Heart Failure 30.4 36.2 29.6 25.3 47.5 28.5
Medications       
   Optimal Therapy 78.0 75.6 78.7 79.6 71.0 78.8
   Aspirin 87.5 83.2 89.1 90.0 75.5 88.8
   β-blockers 69.5 62.2 71.5 74.7 59.3 70.6
   ACE Inhibitors 49.5 56.3 46.8 45.9 59.3 48.5
  1. aWeighted to account for sampling strategy
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