Variable | Definition and Label | Mean | SD a | Min b | Max c |
---|---|---|---|---|---|
Dependent variable | |||||
YNMRD | Death indicator: 1 = Death due to Non-Malignant Respiratory Disease | 0.11 | 0.32 | 0 | 17 |
Demographics | |||||
edu | Years of education | 10.08 | 3.56 | 0 | 17 |
age | Age in years | 72.24 | 17.55 | 0 | 109 |
Iwhite | Race indicator: 1 = white | 0.83 | 0.38 | 0 | 1 |
Iblack | Race indicator: 1 = black | 0.17 | 0.38 | 0 | 1 |
Iother | Race indicator: 1 = other race except for white and black | 0.002 | 0.05 | 0 | 1 |
female | Gender indicator: 1 = female | 0.50 | 0.50 | 0 | 1 |
Isingle | Marital status indicator: 1 = single | 0.11 | 0.31 | 0 | 1 |
Imarried | Marital status indicator: 1 = married | 0.39 | 0.49 | 0 | 1 |
Iwidowed | Marital status indicator: 1 = widowed | 0.38 | 0.48 | 0 | 1 |
Idivor | Marital status indicator: 1 = divorced | 0.13 | 0.33 | 0 | 1 |
SES | |||||
Runemploy | Unemployment rate | 0.07 | 0.02 | 0.03 | 0.1 |
Income | Median household income in 1000 dollars | 35.88 | 4.12 | 25.2 | 52.4 |
Imetro | Rural-urban indicator: 1 = county in a metro area | 0.28 | 0.45 | 0 | 1 |
Inonmetro | Rural-urban indicator: 1 = nonmetropolitan county with the urban population more than 2500 | 0.33 | 0.47 | 0 | 1 |
Irural | Rural-urban indicator: 1 = nonmetropolitan county completely rural with less than 2500 | 0.39 | 0.49 | 0 | 1 |
Risk factors | |||||
Rinactivity | Age-adjusted leisure-time physical inactivity prevalence percent | 0.28 | 0.03 | 0.2 | 0.4 |
Robesity | Age-adjusted obesity rate | 0.30 | 0.03 | 0.2 | 0.4 |
Rsmoking | Age-standardized total cigarette smoking prevalence rate | 0.28 | 0.02 | 0.2 | 0.3 |
Health access | |||||
bedper1000 | Hospital beds per 1000 population | 3.08 | 3.85 | 0 | 15.1 |
hcenterper1000 | Federal qualified health centers per 1000 population | 0.06 | 0.07 | 0 | 0.3 |
doctorper1000 | M.D. and D.O. total active non-Fed & fed per 1000 population | 1.11 | 0.84 | 0.1 | 2.9 |
Rinsur | Percent insured under 65 years (%) | 83.70 | 1.79 | 78.9 | 88.2 |
d>2007d | Switch indicator: 1 = year after 2007 | 0.62 | 0.49 | 0 | 1 |
Coal-related | |||||
Prod | County coal production (million tons) | 1.23 | 2.87 | 0 | 11.8 |
Surface | County surface coal production (million tons) | 0.52 | 1.37 | 0 | 6.7 |
Surface% | Percent of surface mining coal (%) | 11.35 | 20.66 | 0 | 71.7 |
dincoal | Coal indicator: 1 = live with living in a coal-mining county | 0.34 | 0.47 | 0 | 1 |
dadjcoal | Coal indicator: 1 = living in an adjacent county of coal-mining counties | 0.18 | 0.38 | 0 | 1 |