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Table 1 West Nile fever virus-specific IgG prevalence according to villagers' sex and age and the ecosystem.

From: First serological evidence of West Nile virus in human rural populations of Gabon

Characteristics Variable Number of Subjects (%) IgG + (%) 95% CI
All participants   2320 (100) 631 (27.2) 25.4-29.1
Ecosystem     
Forest   1869 (80) 443 (23.7) 21.8-25.7
Savanna   243 (11) 53 (21.8) 16.8-27.5
Lakes   208 (9) 135 (64.9) 58-71.4
Sex Male 1096 (47.2) 329 (30) 27.3-32.7
  Female 1224 (52.8) 302 (24.6) 22.5-27.1
Age 15-35 591 (25.5) 119 (20.1) 16.9-23.3
  36-50 596 (25.7) 167 (28) 24.4-31.6
  51-60 557 (24) 168 (30.1) 26.4-37.4
  >60 576 (24.8) 177 (30.7) 26.9-34.5