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Table 3 Parameter (severe malaria) estimates by Negative Binomial regression analysis

From: Potential threat of malaria epidemics in a low transmission area, as exemplified by São Tomé and Príncipe

Parameter Coefficient Standard error 95% Wald CI P value
(Intercept) 8.927 0.7322 7.492 - 10.362 <0.001
Year 2009 -2.518 1.023 -4.823 - -0.813 0.006
Year 2008 -2.664 1.009 -4.642 - -0.685 0.008
Year 2007 -2.974 1.008 -4.950 - -0.998 0.003
Year 2006 -2.124 1.003 -4.090 - -0.171 0.034
Year 2005 -1.038 1.001 -3.001 - 0.925 0.300
Year 2004 -0.165 1.000 -2.125 - 1.795 0.869
Year 2003 0 a    
5 years old -0.101 0.5529 -1.185 - 0.983 0.855
<5 years old 0 a    
(Scale) 1 b    
  1. Dependent Variable: malaria counts
  2. Model: (intercept), Year, AgeClass
  3. aSet to zero because this parameter is redundant.
  4. bComputed based on the Pearson chi-square.