Table 3 Prevalence of HEV antibodies according to individual and household-level risk factors
Variable | No. of subjectsa | HEV antibody prevalence (%) | Odds ratio (95% CI) | P |
|---|---|---|---|---|
Age (years) | <0.008b | |||
5-10 | 66 | 9.1 | 1.00 | |
11-20 | 107 | 4.7 | 0.49 (0.11-2.03) | |
21-30 | 67 | 19.4 | 2.41 (0.78-8.23) | |
31-50 | 101 | 17.8 | 2.17 (0.76-7.05) | |
>50 | 47 | 17.0 | 2.05 (0.57-7.72) | |
Sex | ||||
Female | 184 | 14.1 | 1.23 (0.65-2.34) | 0.290 |
Male | 204 | 11.8 | 1.00 | |
Past history of hepatitis | ||||
No | 337 | 13.3 | 1.00 | 0.631 |
Yes | 52 | 9.8 | 0.71 (0.21-1.91) | |
Education of household head (years of schooling) | 0.046b | |||
0 | 81 | 18.5 | 2.73 (0.80-11.92) | |
1-4 | 174 | 13.2 | 1.83 (0.58-7.61) | |
5-8 | 81 | 9.9 | 1.32 (0.33-6.29) | |
>8 | 52 | 7.7 | 1.00 | |
Wealth index (quartiles)c | ||||
1 (poorest) | 109 | 12.8 | 1.60 (0.57-4.92) | 0.497b |
2 | 98 | 14.3 | 1.81 (0.64-5.57) | |
3 | 98 | 15.3 | 1.96 (0.70-5.99) | |
4 (least poor) | 83 | 8.4 | 1.00 | |
Water source | ||||
Well | 366 | 13.4 | 1.00 | 0.382 |
River/stream | 22 | 4.5 | 0.31 (0.01-2.01) | |
Drinking water filtrated or chlorinated | ||||
Yes | 302 | 13.2 | 1.00 | 0.961 |
No | 72 | 13.9 | 1.06 (0.45-2.30) | |
Crowding (number of inhabitants/room) | ||||
<1 | 161 | 13.7 | 1.00 | 0.673b |
1-1.9 | 181 | 12.1 | 0.87 (0.44-1.73) | |
2-3 | 22 | 18.2 | 1.40 (0.32-4.83) | |
>3 | 24 | 8.3 | 0.57 (0.06-2.63) | |