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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Stroke. 2014 Oct 9;45(11):3381–3388. doi: 10.1161/STROKEAHA.114.006021

Table 3.

Demographic Variables, Stratified by ≤60 Min PSC Access

All Block Groups in the USA Block Groups with
Access to a Primary
Stroke Center*
Block Groups without
Access to a Primary
Stroke Center*

Median Interquartile Range Median Median p-value

Income
  Per Capita Income1 $23,139 $17,551 – $31,060 $24,870 $21,493 <.0001
  Per Capita Income2 $23,208 $17,312 – $31,369 $24,999 $21,342 <.0001
  Median Household Income2 $48,125 $34,632 – $66,904 $52,436 $43,250 <.0001
  Median Family Income2 $57,404 $41,552 – $79,010 $62,500 $52,303 <.0001
Poverty
  % Population Under 18 Living in Poverty3 15.2% 5.9% – 29.1% 13.1% 17.9% <.0001
  % Population 18 to 64 Living in Poverty3 10.7% 5.8% – 18.2% 9.5% 12.2% <.0001
  % Population 65 and Over Living in Poverty3 8.2% 3.8% – 14.8% 7.2% 9.5% <.0001
  % Total Population Living in Poverty3 11.5% 6.1% – 19.6% 10.2% 13.1% <.0001
  % of Households Receiving Public Assistance Income2 0.5% 0.0% – 3.6% 0.0% 0.9% <.0001
  % of Families with Income Below the Poverty Level2 6.6% 0.0% – 16.5% 5.6% 8.0% <.0001
Insurance Status
  % Under 19 without Health Insurance4 7.1% 5.4 – 11.0% 6.6% 7.1% <.0001
  % Under 65 without Health Insurance4 16.3% 12.7% – 20.2% 16.3% 16.7% 0.0013
CMS Eligibles
  % Eligible for Medicare4 14.9% 12.3% – 17.5% 13.4% 17.4% <.0001
  % Eligible for Medicaid4 19.0% 14.2% – 24.6% 18.4% 19.5% <.0001
Education - Dropouts
  % Population 25 or Over with Less than High School Degree2 13.0% 6.2% – 23.4% 11.8% 14.6% <.0001
  % Population 25 or Over with Some College Education2 27.2% 20.3% – 34.0% 26.9% 27.6% <.0001
Education - Degrees
  % Population 25 or Over, High School Graduate2 30.8% 21.2% – 39.9% 27.5% 35.5% <.0001
  % Population 25 or Over, Bachelors Degree2 13.5% 7.1% – 22.8% 16.1% 10.6% <.0001
  % Population 25 or Over, Master’s Degree2 4.5% 1.6% – 9.4% 5.4% 3.6% <.0001
  % Population 25 or Over, Professional Degree2 0.3% 0.0% – 2.3% 0.7% 0.0% <.0001
  % Population 25 or Over, Doctoral Degree2 0.0% 0.0% – 1.3% 0.0% 0.0% <.0001
Employment
  % in Labor Force who are Employed1 94.6% 90.8% – 97.1% 94.7% 94.5% <.0001
Race 2.7% 0.6% – 12.9% 4.0% 1.2% <.0001
  % Black1 16.0% 5.6% – 43.6% 22.7% 8.3% <.0001
  % Non-White1
Ethnicity & Origin
  % Hispanic1 4.4% 1.6% – 15.4% 6.5% 2.3% <.0001
  % Foreign-Born1 5.9% 2.0% – 15.4% 9.6% 2.4% <.0001
Healthcare Utilization
  Total Hospital Admissions per 1,000 Population4 118.9 83.0 – 166.2 130.2 96.1 <.0001
  Total Hospital Beds per 1,000 Population4 2.9 2.0 – 4.1 3.1 2.7 <.0001
  Total Hospital Inpatient Days Per 1,000 Population4 739.2 439.2 – 1054.0 811.0 533.3 <.0001
  Total Hospital ED Visits per 1,000 Population4 398.3 278.7 – 524.3 380.9 436 <.0001
Healthcare Resources - Doctors
  Non-Federal MDs in Neurology Devoted to Total Patient Care per 100,000 Population4 3.9 1.6 – 6.2 4.9 1.4 <.0001
  Non-Federal MDs in Emergency Medicine Devoted to Total Patient Care per 100,000 Population4 9.7 5.0 – 13.9 10.9 5 <.0001
Healthcare Resources - Hospitals
  Total Number of Hospitals Per 100,000 population4 1.6 1.1-2.6 0.7 1.5 <.0001
  Per Capita Total Number of Critical Access Hospitals4 0 0.0 - 0.0 0 0 <.0001
  Per Capita STG Hospitals With ED4 0.8 0.6-1.5 0.7 1.5 <.0001
*

Within 60 minutes via ground transport, not crossing state boundaries

1

Neilsen/Claritas (block group level data)

2

2005 – 2009 ACS (block group level data)

3

2005 – 2009 ACS (census tract level data)

4

2011 – 2012 ARF (county level data)