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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) |
