Table 1 Selected characteristics of the study population, by age group: United States, 2012
From: Population-based geographic access to endocrinologists in the United States, 2012
Characteristic | 0–17 years | 18–64 years | ≥65 years |
|---|---|---|---|
[N = 74,181,467] | [N = 194,296,087] | [N = 40,267,984] | |
Percentage of population urban/rural status | |||
Urbanized areas | 71.7 | 72.0 | 66.8 |
Rural areas | 18.7 | 18.8 | 22.5 |
Urban clusters | 9.6 | 9.2 | 10.7 |
Cumulative percentage of age-specific population with access to at least one endocrinologista within a given distance (miles) | |||
5 | 24.8 | 58.6 | 55.5 |
10 | 44.5 | 74.2 | 70.0 |
15 | 56.3 | 81.0 | 77.0 |
20 | 64.1 | 85.4 | 82.1 |
30 | 73.8 | 91.3 | 89.3 |
50 | 85.5 | 96.6 | 95.7 |
Percentage of population with access to at least one endocrinologista within 20-mile buffer among all age-specific persons living in a specific urban/rural area | |||
Total | 64.1 | 85.4 | 82.1 |
Urbanized areas | 82.4 | 98.6 | 98.7 |
Rural areas | 20.6 | 55.5 | 51.5 |
Urban clusters | 11.3 | 43.9 | 42.7 |
Ratio of covered population to an endocrinologista within a 20-mile buffer | |||
Total | 39,492:1 | 29,887:1 | 6,194:1 |
Urbanized areas | 40,234:1 | 24,324:1 | 4,721:1 |
Rural areas | 32,442:1 | 65,208:1 | 15,083:1 |
Urban clusters | 32,018:1 | 92,983:1 | 21,210:1 |