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Table 2 Seasonal variation in FMD primary outbreak incidence

From: Spatial and seasonal patterns of FMD primary outbreaks in cattle in Zimbabwe between 1931 and 2016

 

LRT

df

p-value

Season (3rd order polynomial of month)

30.29

3

< 0.0001

Region

21.6

2

< 0.0001

Season: region

8.08

6

0.23

  1. The statistical significance of the main effects of season and month were tested in a model that did not contain any interaction between Region and season.