Table 1.
Key Measures and Definitions
| Variable | Item details |
|---|---|
| Dependent variable | |
| Tobacco retailer density | Total number of tobacco retailers in a census tract divided by total population and multiplied by 1000 |
| Block 1: independent variable | |
| Same-sex couple households, female, per 1000 coupled households | Number of female householders with female partner divided by total married and unmarried coupled households and multiplied by 1000 |
| Same-sex couple households, male, per 1000 coupled households | Number of male householders with male partner divided by total married and unmarried coupled households and multiplied by 1000 |
| Block 2: explanatory variables | |
| Percentage black population in 10-point increments | Percentage of the total population reporting black or African-American race alone or in combination with another race divided by 10 |
| Percentage hispanic ethnicity in 10-point increments | Percentage of the total population reporting Hispanic or Latino origin divided by ten |
| Median annual household income, adjusted to 2012 USD | Median household income in the past 12 months, in 2012 inflation-adjusted dollars divided by 1000 |
| Block 3: explanatory variables | |
| Presence of interstate highway | Dichotomous (0 = No, 1 = Yes) |
| Rurality | County-level ordinal US Department of Agriculture urban–rural continuum codes (range 1–9, from most to least urban) |