Table 2 Seroprevalence of hepatitis E IgG in HBsAg-positive group and HBsAg- negative group by age and gender in Zhangqiu and Rushan
| Â | HBsAg-positive group | HBsAg-negative group | P value#* | ||
|---|---|---|---|---|---|
Number detected | Positive, n (%, 95% CI) | Number detected | Positive, n (%, 95% CI) | ||
Zhangqiu county | |||||
 Total | 1026 | 94 (9.16,7.47–11.09) | 1029 | 112 (10.88, 9.05–12.95) | 0.21 |
Age (yrs) | |||||
 0- | 53 | 0 (0.00, 0–6.72) | 38 | 4 (10.53, 2.94–24.80) | 0.03 |
 30- | 157 | 5 (3.18, 1.04–7.28) | 167 | 7 (4.19, 1.70–8.44) | 0.77 |
 40- | 275 | 18 (6.55, 3.92–10.15) | 275 | 21 (7.64, 4.79–11.44) | 0.74 |
 50- | 232 | 10 (4.31, 2.09–7.78) | 237 | 24 (10.13, 6.60–14.69) | 0.02 |
 60- | 217 | 33 (15.21, 10.70–20.69) | 217 | 29 (13.36, 9.14–18.63) | 0.68 |
 70- | 92 | 28 (30.43, 21.27–40.90) | 95 | 27 (28.42, 1.96–38.60) | 0.87 |
Gender | |||||
 Male | 520 | 48 (9.23, 6.88–12.05) | 500 | 52 (10.40, 7.86–13.41) | 0.60 |
 Female | 506 | 46 (9.09, 6.73–11.94) | 1029 | 112 (10.88, 9.05–12.95) | 0.33 |
Rushan county | |||||
 Total | 1022 | 389 (38.06, 35.07–41.19) | 1025 | 407 (39.71, 36.70–42.78) | 0.47 |
Age (yrs) | |||||
 0- | 67 | 5 (7.46, 2.47–16.56) | 73 | 15 (20.55, 11.98–31.62) | 0.027 |
 30- | 74 | 25 (33.78, 23.19–45.18) | 78 | 26 (33.33, 23.06–44.92) | 1.00 |
 40- | 234 | 95 (40.60, 34.25–47.19) | 234 | 94 (40.17, 33.84–46.76) | 1.00 |
 50- | 337 | 132 (39.17, 33.92–44.60) | 340 | 139 (40.88, 35.61–46.76) | 0.70 |
 60- | 226 | 103 (45.58, 38.96–52.31) | 225 | 100 (44.44, 37.84–51.20) | 0.85 |
 70- | 84 | 29 (34.52, 24.48–45.69) | 75 | 33 (44.00, 32.55–55.94) | 0.26 |
Gender | |||||
 Male | 516 | 216 (41.86, 37.56–46.25) | 525 | 229 (43.62, 39.33–47.98) | 0.57 |
 Female | 506 | 173 (34.19, 30.06–38.50) | 500 | 178 (35.60, 31.40–39.97) | 0.64 |