Table 2 Regression results from a mixed effects model predicting mortality rates (natural log of the fraction of population dying per year) from epidemics.

From: Mortality from contact-related epidemics among indigenous populations in Greater Amazonia

Variable

Estimate

SE

p -value

(Intercept)

−1.422

0.148

<0.001

Years since contact

−0.031

0.006

0.001

Year of epidemic

−0.016

0.005

<0.001

Society (59 levels)

0.963

0.169

<0.001

  1. Society name is entered as a random intercept.
  2. Year of epidemic was first centered on the mean year in the sample (1963) so that the intercept estimates mortality rates during contacts in 1963, or 24% per year.
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