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. Author manuscript; available in PMC: 2018 May 15.
Published in final edited form as: Vaccine. 2013 May 10;31(29):3009–3013. doi: 10.1016/j.vaccine.2013.04.053

Table 3.

Longitudinal trends in personal belief exemption rates in California by school type, 1994–2009.

School type State-years (N) Annual change in average personal belief exemption rate Incidence rate ratio (95% Cl)
Public 74,310 1.088 (1.084,1.092)
Private 24,529 1.101 (1.091, 1.111)
Overall 98,839 1.092 (1.088, 1.096)