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Table 1 Sociodemographic variables used in balancing territories

From: Use of a Geographic Information System to create treatment groups for group-randomized community trials: The Minnesota Heart Health Program

Territory Population Health systems Clinics Agea Educationb
1 113,130 2 12 29.8% 20.6%
2 101,354 3 7 33.9% 23.0%
3 66,044 2 7 43.7% 32.1%
4 105,208 2 8 36.6% 20.8%
5 122,163 3 10 29.1% 17.7%
6 56,200 4 12 59.0% 36.7%
7 99,234 5 16 37.1% 21.1%
8 108,314 4 8 36.0% 20.5%
9 85,959 4 11 41.3% 23.8%
10 105,068 3 8 35.3% 20.0%
11 100,036 3 13 36.8% 21.7%
12 87,645 5 12 39.7% 24.1%
13 96,459 4 9 35.6% 21.0%
14 92,863 4 21 37.9% 22.1%
15 82,760 4 7 38.8% 25.2%
16 83,813 4 18 41.6% 24.7%
17 98,259 3 10 35.8% 22.0%
18 99,767 4 22 38.3% 21.1%
19 129,107 4 9 28.3% 18.7%
20 115,249 3 9 30.8% 19.5%
21 70,827 5 13 44.7% 29.1%
22 98,525 3 11 35.8% 22.2%
23 63,611 3 9 53.0% 33.8%
24 94,754 3 5 33.8% 23.4%
  1. aPrevalence of men aged 45–79 years and women aged 55–79 years
  2. bPrevalence of men aged 45–79 years and women aged 55–79 years with at least some college education