zipsA string containing all five-digit zip codes in the county, delimited by a space. age_medianThe median age of residents in the county. maleThe percentage of residents who report being male (e.g. 55.1). femaleThe percentage of residents who report being female (e.g. 44.9). ...
In our analysis, we examined three categories of urbanicity, according to the characteristics of the county into which each ZIP code falls: "large metropolitan" (metropolitan counties with > 1 million residents) (n = 207 ZIP codes), "medium or small metropolitan" (metropolitan counties with 250...