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Table 1 Frequency of anti-HEV IgG EIA reactivity associated with gender and age among participants in the Korea National Health and Nutrition Examination Survey, 2007–2009

From: Hepatitis E Virus (HEV) Seroprevalence in the general population of the Republic of Korea in 2007–2009: a nationwide cross-sectional study

Variable Tested (n = 2,450) Positive for anti-HEV, N (%) Pvalue* OR (95% CI)
Overall prevalence 2,450 144 (5.9) -  
Sex     
Male 994 77 (7.8) 0.001 1.0
Female 1,456 67 (4.6)   0.6 (0.4-0.8)
Age (years)     
10–19 546 1 (0.2) <.0001 1.0
20–29 521 6 (1.2)   6.3 (0.8-52.9)
30–39 553 13 (2.4)   13.1 (1.7-100.6)
40–49 557 67 (12.0)   74.5 (10.3-538.5)
50–55 273 57 (20.9)   143.8 (19.8- >999.9)
  1. *If P < 0.05, the differences of seroprevalence among compared groups are statistically significant.