Abbreviations: aIRR, adjusted incidence rate ratio
Note: Models for each time period adjusted for rurality, percentage with less than high school or equivalent educational attainment among the population ages 25 and older, percentage of families and people whose income in the past 12 months is below the poverty level among those 18 years and older, social capital index, percentage of adults without health insurance, percentage of males, percentage of white non-Hispanic or Latino race/ethnicity, and median age.