TABLE 1

Absolute and Relative Increase or Decrease in Immunization Status After SB5005

Absolute Change (Linear Regression)Relative Change (Negative Binomial Regression)
β Lawa (95% CI)Incidence Rate Ratiob (95% CI)
Population level, %
 Any exemptionc−2.9 (−4.2 to −1.7)−40.2 (−43.6 to −36.6)
 Complete for all immunizationsd4.0 (1.2 to 6.8)3.4 (2.4 to 4.4)
 Conditional entrante0.6 (−0.9 to 2.1)26.0 (12.0 to 42.0)
 Out of compliance conditional entrantsf−1.6 (−3.2 to 0.1)−26.5 (−32.0 to −20.0)
Vaccine specific, %
 Diphtheria, tetanus, and pertussisg0.9 (−0.2 to 2)0.9 (0.2 to 1.6)
 Measlesh0.4 (−3.3 to 4.0)0.1 (−0.5 to 0.8)
 Mumpsh0.6% (−1.7 to 3.0)0.3 (−0.3 to 0.9)
 Rubellah0.6 (−1.8 to 3.1)0.3 (−0.3 to 0.9)
 Polio0.0 (−1.1 to 1.2)−0.6 (−1.3 to 0.1)
 Hepatitis B−0.2 (−2.5 to 2.1)−0.4 (−0.9 to 0.1)
 Varicellai4.3 (−5.7 to 14.3)2.1 (1.1 to 3.1)
  • a Adjusted for year (centered), law, and law*year (centered).

  • b Adjusted for year (centered), law, and law*year (centered), and school-level effects.

  • c The student has a signed COE on file at the school excusing the student from 1 or more vaccinations because of medical, personal, or religious beliefs.

  • d The student meets all the school-entry requirements for his or her age and grade and is in compliance.

  • e The student lacks appropriate documentation or is missing 1 or more of the required immunizations.

  • f Conditional status has ended, but the student has not been fully immunized, does not have an exemption on file, or lacks appropriate documentation.

  • g Beginning in the 2006–2007 school year, pertussis is reported separately from diphtheria and tetanus.

  • h Beginning in the 2012–2013 school year, measles, mumps, and rubella are reported as the measles-mumps-rubella combination.

  • i Beginning in the 2006–2007 school year, the varicella vaccine was required for school entry and reported on.