Table 4.

Effect of Low Income within Age Group

Residential ZIP Code Median Income
Age Group>$20,000<$20,00095% CI for OR
<18 years1.00*1.13(0.75, 1.71)
≥18 years1.00*2.00(1.36, 2.94)
  • The analysis controls for the intervention, commercial insurance, age group, low income, and the interaction between age group and low income.

  • * Reference group.