TABLE 1

Demographic Characteristics, Proportion With MMR Vaccine by 16 Months of Age, and the Adjusted Odds of MMR Vaccination

Overall Distribution (N = 23 534)MMR VaccinationAdjusted Odds of MMR Vaccination (95% CI)
InsuranceaP < .001
 Any private8.0%74.4%1 (Reference)
 Only Medicaid84.9%71.2%0.79 (0.60–1.04)
 Self-pay7.2%66.6%0.59 (0.44–0.78)
Race and/or ethnicityaP < .001
 White17.5%69.2%1 (Reference)
 Black61.0%66.5%0.90 (0.73–1.10)
 Hispanic13.7%85.3%2.70 (2.31–3.16)
 Asian American7.0%89.6%3.89 (2.60–5.77)
 Otherb0.2%67.4%
 Missingb0.7%63.6%
Pandemic time periodP < .001
 Prepandemic88.3%72.0%1 (Reference)
 Initial4.9%66.8%0.77 (0.64–0.85)
 Reopening6.8%62.4%0.64 (0.57–0.71)
  • CI, confidence interval; —, not applicable.

  • a Categories do not add to 100% because of rounding.

  • b Not included in the logistic regression analysis because of the small sample size.