TABLE 1—

Descriptive Results for County-Level Initial and Repeat Drinking Water Violations: United States, 2011–2015

County-Level Variable	Median (SD)	Initial Violations, OR (95% CI)	Repeat Violations, OR (95% CI)
Proportion female single headed households	0.423 (0.095)	0.813 (0.636, 1.040)	0.468 (0.350, 0.625)
Median household income is $10 000	4.922 (1.331)	0.915 (0.892, 0.938)	0.931 (0.904, 0.959)
Log proportion renter occupied	0.296 (0.079)	0.899 (0.810, 0.998)	1.065 (0.942, 1.204)
Log proportion less than high school education	0.126 (0.059)	0.842 (0.777, 0.913)	0.805 (0.733, 0.885)
Log proportion non-Hispanic Black	0.030 (0.121)	0.899 (0.886, 0.912)	0.907 (0.892, 0.922)
Log proportion non-Hispanic Asian	0.011 (0.033)	1.015 (0.998, 1.033)	0.990 (0.969, 1.010)
Log proportion Hispanic	0.059 (0.145)	0.878 (0.858, 0.898)	0.939 (0.914, 0.964)
Log proportion non-Hispanic White	0.786 (0.199)	0.597 (0.556, 0.642)	0.697 (0.643, 0.756)
Log proportion uninsured	0.129 (0.053)	1.773 (1.641, 1.915)	1.668 (1.524, 1.825)

Note. CI = confidence interval; OR = odds ratio. The sample size was n = 58 018.