Table 1.

List of independent variables.

Health behavior and clinical care variables

Percentage of the population who smoke Percentage of the population who are obese Ratio of primary care physicians to population

Social and economic variables

Percentage of adults aged 25–44 years with some post-secondary education Percentage of population aged 16 and older who are unemployed but seeking work Percentage of children that live in a single-parent household Number of membership associations per 10,000 population

Physical environmental variables

Percentage of households with at least one of the following four housing problems: overcrowding, high housing costs, lack of kitchen or lack of plumbing facilities Mean county altitude in meters

Demographic variables

Percentage of individuals aged 65 and over Percentage of African American Percentage of females Percentage of rural areas