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Table 1 Demographics for community and health facility samples

From: Aspirin use and knowledge in the community: a population- and health facility based survey for measuring local health system performance

   No history of CAD or cerebral infarction % History of CAD or cerebral infarction %
Community sample   1,583 91.9 139 8.1
  Age, median (IQR) 54 (42–65)   70 (59–79)  
  Male 654 41.3 80 57.6
  White, non-Hispanic 1206 76.2 114 82.0
  Black, non-Hispanic 90 5.7 8 5.8
  Hispanic 239 15.1 17 12.2
Health facility sample   1933 66.4 978 33.6
  Age, median (IQR) 62 (52–71)   68 (60–78)  
  Male 883 45.7 608 62.2
  White, non-Hispanic 1613 83.5 881 90.1
  Black, non-Hispanic 138 7.1 38 3.9
  Hispanic 96 5.0 25 2.6
Total   3516 75.9 1117 24.1
  Age, median (IQR) 59 (48–69)   68 (60–78)  
  Male 1537 43.7 688 61.6
  White, non-Hispanic 2,819 80.2 995 89.08
  Black, non-Hispanic 228 6.5 46 4.1
  Hispanic 335 9.5 42 3.8