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Table 4 Parameter estimates by Poisson regression analysis

From: Pre-elimination of malaria on the island of Príncipe

Parameter Coefficient Standard error 95% Wald CI P value
(Intercept) 6.816 0.0386 6.740 - 6.891 < 0.001
Year 2009 -3.907 0.2034 -4.306 - -3.508 < 0.001
Year 2008 -4.405 0.2598 -4.914 - -3.895 < 0.001
Year 2007 -3.085 0.1365 -3.353 - -2.818 < 0.001
Year 2006 -2.721 0.1149 -2.946 - -2.496 < 0.001
Year 2005 -0.948 0.0540 -1.054 - -0.842 < 0.001
Year 2004 -0.483 0.0462 -0.574 - -0.393 < 0.001
Year 2003 0 a    
Pregnancy -2.530 0.1196 -2.765 - -2.296 < 0.001
5 years old 0.532 0.0409 0.452 - 0.612 < 0.001
<5 years old 0 a    
(Scale) 2.068 b    
  1. Dependent Variable: malaria counts
  2. Model: (intercept), Year, AgeClass
  3. aSet to zero because this parameter is redundant.
  4. b Computed based on the Pearson chi-square.