Skip to main content

Table 2 Parameter (malaria morbidity) 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) 9.984 0.6329 8.743 - 11.224 <0.001
Year 2009 -2.805 0.8311 -4.434 - -1.177 0.001
Year 2008 -3.052 0.8229 -4.665 - -1.439 <0.001
Year 2007 -2.886 0.8205 -4.494 - -1.278 <0.001
Year 2006 -1.759 0.8205 -3.367 - -0.151 0.032
Year 2005 -0.687 0.8188 -2.291 - 0.918 0.402
Year 2004 0.116 0.8169 -1.485 - 1.717 0.887
Year 2003 0 a    
Pregnancy -2.621 0.5412 -3.682 - -1.561 <0.001
5 years old 0.583 0.5449 -0.485 - 1.651 0.284
<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. bFixed at the displayed value.