Table 2 Incidence Rate Ratio and Difference for Type 1 Diabetes, comparing Rotavirus Vaccination with No Rotavirus Vaccination, 2006–2017.

From: Lower Incidence Rate of Type 1 Diabetes after Receipt of the Rotavirus Vaccine in the United States, 2001–2017

Category Incidence Rate* Incidence Rate Ratio 95% CI Incidence Rate Difference* 95% CI
All
      Completed Vaccination Series 12.2 0.59 0.48, 0.73 −8 −12, −5
      Partially Vaccinated 20.5 0.99 0.75, 1.30 0 −6, 5
      Not vaccinated 20.6 1.00 (reference)   
Sex
   Girls
      Completed Vaccination Series 12.4 0.59 0.43, 0.80 −9 −14, −4
      Partially Vaccinated 17.1 0.81 0.52, 1.23 −4 −1, 3
      Not vaccinated 21.1 1.00 (reference)   
   Boys
      Completed Vaccination Series 12.0 0.60 0.44, 0.81 −8 −13, −3
      Partially Vaccinated 23.6 1.17 0.81, 1.70 4 −4, 11
      Not vaccinated 20.1 1.00 (reference)   
Year of Birth
   2006–2011
      Completed Vaccination Series 14.0 0.67 0.53, 0.84 −7 −11, −3
      Partially Vaccinated 21.9 1.04 0.76, 1.41 0 −5, 7
      Not vaccinated 21.0   (reference)   
   2012–2016
      Completed Vaccination Series 8.2 0.46 0.26, 0.86 −10 −18, −1
      Partially Vaccinated 14.2 0.80 0.38, 1.69 −3 −14, 7
      Not vaccinated 17.7   (reference)   
  1. *Per 100,000 person-years.