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Evaluation of Demographics and Social Life Events of Asian (Elephas maximus) and African Elephants (Loxodonta africana) in North American Zoos

Table 6

Summary of incident rate ratios (IRR) relative to time using Poisson regression models, including 95% confidence intervals for IRR.

p<0.05. IRR = estimated rate of event experience/exposure.

Table 6

doi: https://doi.org/10.1371/journal.pone.0154750.t006