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Table 1 Percentages or means for each of the baseline sociodemographic and socioeconomic stroke risk factors overall and by stroke classification.

From: A 12-year prospective study of stroke risk in older Medicare beneficiaries

Variable All Subjects
N = 5511
Non-Stroke Subjects
N = 4966
Stroke Sensitivity Cases
N = 545
Stroke Specificity Cases
N = 374
Sociodemographics     
Age in years     
   69 – 74 (RG) 38% 39% 34% 37%
   75 – 79 29% 29% 31% 28%
   80 – 84 19% 19% 25% 25%
   85 + 13% 13% 11% 10%
Sex (men) 38% 38% 35% 36%
Race     
   African American 10% 10% 13% 13%
   Hispanic 4% 4% 5% 6%
   White (RG) 85% 85% 82% 81%
Lives Alone 37% 36% 39% 37%
Marital Status     
   Widowed 41% 41% 47% 45%
   Divorced/Separated 5% 5% 4% 4%
   Never Married 3% 3% 5% 6%
   Married (RG) 50% 51% 43% 46%
Religion Not Important 11% 11% 13% 13%
Socioeconomics     
Education     
   Grade School 25% 25% 28% 25%
   High School (RG) 48% 48% 49% 49%
   College 27% 27% 23% 26%
Income     
   Quintile 1 (≤ $7500) 16% 15% 20% 19%
   Quintile 2 ($7501 – $14,999) 30% 30% 30% 29%
   Quintile 3 ($15,000 – $19,500) 13% 13% 13% 12%
   Quintile 4 ($19,501 – $30,000) 19% 19% 18% 17%
   Quintile 5 (> $30,000) 23% 23% 20% 23%
Total Wealth $174,542 $176,062 $160,706 $186,779
# of Health Insurance Policies 0.86 0.87 0.83 0.84
Neighborhood Safety     
   Poor 3% 3% 3% 3%
   Fair 9% 9% 11% 11%
   Good to Excellent (RG) 87% 87% 86% 86%
  1. Notes for Tables 1–3: Among 5,511 AHEAD self-respondents (at baseline) with linked Medicare claims who were not in managed care at their baseline interviews. All variables were binary coded (1 = yes, 0 = no) except total wealth (actual dollar value) and the number of health insurance policies (actual number). RG = Reference Group.