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Table 2 Adjusted odds ratios (ORs) using a design-based logistic regression of malaria infection for Plasmodium vivax (Pv) and Plasmodium falciparum (Pf) by age, gender, month and village of residence in Gilgel-Gibe dam area, south-western Ethiopia, 2005.

From: Malaria and water resource development: the case of Gilgel-Gibe hydroelectric dam in Ethiopia

Variable   Adjusted
OR Pv
p-value Adjusted
OR Pf
p-value Adjusted OR Plasmodium postivity p-value
Village 'at risk' 1.63 0.015 ** 2.40 0.085 * 1.97 0.013**
  'control' 1.00 -- 1.00. -- 1.00 --
Month October 1.00 -- 1.00 -- 1.00 --
  November 0.88 0.428 0.39 0.199 0.68 0.200
  December 0.18 0.096 * 0.89 0.828 0.41 0.062*
Age (yrs) <1 1.00 -- 1.00 -- 1.00 --
  1–4 1.19 0.209 1.17 0.241 1.20 0.083*
  5–9 1.15 0.710 .94 0.890 1.08 0.837
Sex Male 1.00 -- 1.00 -- 1.00 --
  Female 1.79 0.054 0.87 0.541 1.33 0.146
  1. * = significant at 0.1 level ** = significant at 0.05 level