Table 2. Sero-positivity for IgG antibody to YFV infection and associated factors (N = 135).
| Variables | Category | YF IgG sero-status | COR (95% CI) | AOR (95% CI) | |
|---|---|---|---|---|---|
| Total tested(N) | Positive N (%) | ||||
| Sex | Male | 84 | 3 (3.6) | 1.85(0.19, 18.30) | 1.32(0.10, 17.03) |
| Female | 51 | 1(2.0) | Ref | Ref | |
| Age Group (years) | 18–30 | 53 | 1(1.9) | 0.79(0.05, 12.99) | 0.77(0.03, 17.64) |
| 31–40 | 40 | 2(5.0) | 2.16(0.19, 24.77) | 2.29(0.17, 31.61) | |
| ≥41 | 42 | 1(2.4) | Ref | Ref | |
| Educational Status | Formal education | 51 | 2(3.9) | 1.7(0.23, 12.26) | 1.31(0.10, 17.23) |
| Informal education | 84 | 2(2.4) | Ref | Ref | |
| Occupation | pastoralist | 55 | 1(1.8) | Ref | Ref |
| Agro pastoralist | 32 | 1(3.1) | 1.74(0.10,28.84) | 1.92(0.11, 35.05) | |
| Others | 48 | 2(4.2) | 2.35(0.21, 26.73) | 1.18(0.05,25.41) | |
| History of residence/travel outside Gambella | Yes | 17 | 1 (5.9) | 2.4(0.23, 24.45) | 3.10(0.21, 44.56) |
| No | 118 | 3 (2.5) | Ref | Ref | |
| History of working in the forest areas | Yes | 113 | 3(2.6) | 0.57(0.06, 5.77) | 0.47(0.03, 7.68) |
| No | 22 | 1(4.5) | Ref | Ref | |
| History of Bite by Aedes mosquito | Yes | 109 | 3(2.7) | 0.54(0.05, 5.44) | 0.74(0.04, 12.25) |
| No | 26 | 1(3.85) | Ref | Ref | |
| District | Itang | 103 | 4(3.9) | - | - |
| Lare | 32 | 0(0.0) | - | - | |
| History of vaccination | Yes | 0(0.0) | 0(0.0) | ||
| No | 135 | 4(2.9) | - | - | |
CI (confidence interval), COR (crude odds ratio), and AOR (adjusted odds ratio), Ref (Reference category).