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Table 1 Demographic characteristics of HBsAg positive and negative participants in Zhangqiu and Rushan county, Shandong province, China

From: Comparison of hepatitis E virus seroprevalence between HBsAg-positive population and healthy controls in Shandong province, China

  Zhangqiu county Rushan county
HBsAg-positive group (number, %) HBsAg-negative group (number, %) P value HBsAg-positive group (number, %) HBsAg-negative group (number, %) P value
Total 1026 (100.00) 1029 (100.00)   1022 (100.00) 1025 (100.00)  
Age (yrs)
 Under 30 57 (5.56) 40 (3.89) 0.232 66 (6.46) 72 (7.02) 0.462
 30–39 161(15.69) 170(16.52)   79(7.73) 79(7.71)  
 40–49 284 (27.68) 275 (26.72)   242 (23.68) 237 (23.12)  
 50–59 226 (22.03) 234 (22.74)   336 (32.88) 331 (32.29)  
 60–69 196 (19.10) 200 (19.44)   211 (20.65) 222 (21.66)  
 Above 70 102 (9.94) 110 (10.69)   88 (8.61) 84 (8.20)  
Gender
 Male 520 (50.68) 529 (51.41) 0.742 516 (50.49) 525 (51.22) 0.471
 Female 506 (49.32) 500 (48.59)   506 (49.51) 500 (48.78)