Table 1.
Summary statistics and data sources
| Variable (Units) | Mean (SD) | Source |
|---|---|---|
| EA† (Index) | 2275.8 (696.3) | U.S. Census 1980, 2010 |
| LE†† (Years) | 76.9 (2.0) | Kulkarni et al. 2011 |
| PM2.5 (μg/m3) | 10.4 (2.8) | Beckerman et al. 2013 |
| Median Income ($1000s) | 35.1 (8.6) | US Census 2000 |
| Daily Smokers (%) | 21.6 (3.7) | Institute for Health Metrics and Evaluation 2014 |
| Obesity Prevalence (%) | 28.1 (3.6) | Centers for Disease Control and Prevention 2013 |
| Black (%) | 8.7 (14.5) | US Census 2000 |
| Hispanic (%) | 6.2 (12.0) | US Census 2000 |
| Median Age (Years) | 37.4 (3.9) | US Census 2000 |
| Over 65 (%) | 14.8 (4.0) | US Census 2000 |
| Migration Rates | ||
| 1980s, 55–60-year-olds‡ | 4.3 (16.6) | Winkler et al. 2013 |
| 1980s, 60–64-year-olds‡ | 7.0 (19.7) | Winkler et al. 2013 |
| 1990s, 65–70-year-olds‡ | 9.9 (19.9) | Winkler et al. 2013 |
| 1990s, 70–74-year-olds‡ | 4.0 (12.7) | Winkler et al. 2013 |
| 2000s, 75+ year-olds‡ | −1.0 (14.8) | Winkler et al. 2013 |
† Exceptional Aging
†† Life Expectancy
‡ Age-specific migration rates were calculated by the net migration over the given decade divided by the expected population at the end of the decade, times 100, where net migration is the observed final population minus the expected final population