Table 4. Seropositivity for IgG antibody to ZIKV and associated factors in the study participants (N = 150).
| Variables | Category | ZIKV IgG sero-status | COR (95% CI) | AOR (95% CI) | ||
|---|---|---|---|---|---|---|
| Total tested N (%) | Positive N (%) | Equivocal N (%) | ||||
| Site | Itang | 117 | 15(12.8) | 2(1.7) | Ref | Ref |
| Lare | 33 | 26(18.8) | 0(0.0) | 21.8(8.20, 58.23)* | 11.5(3.31, 39.81)* | |
| Sex | Male | 96 | 15(15.6) | 1(1.0) | Ref | Ref |
| Female | 54 | 26(48.2) | 1(1.8) | 5.0(2.34, 10.65)* | 4.8(1.62, 14.63)* | |
| Age Group (years) | 18–30 | 57 | 23(40.3) | 0(0.0) | 2.1(0.90,4.8) | 1.5(0.39, 5.61) |
| 31–40 | 49 | 11(22.5) | 1(2.0) | 1.5(0.53, 4.0) | 0.80(0.21,3.13) | |
| ≥41 | 44 | 7(15.9) | 1(2.3) | Ref | Ref | |
| Educational Status | Informal education | 93 | 32(34.4) | 1(1.1) | 2.59(1.16, 5.76)* | 1.0(0.28,3.68) |
| Formal education | 57 | 9(15.8) | 1(1.8) | Ref | Ref | |
| Occupation | Pastoralist | 58 | 32(55.2) | 1(1.7) | 8.2(2.78, 24.1)* | 5.1(1.44, 17.80)* |
| Others | 56 | 5(8.9) | 0(0.0) | 0.61(0.16, 2.27) | 1.5(0.27,8.22) | |
| Agro pastoralist | 36 | 4(11.1) | 1(2.8) | Ref | Ref | |
| History of residence /travel outside Gambella | Yes | 20 | 6(30.0) | 0(0.0) | 1.10(0.38, 3.0) | 1.4(0.29,6.65) |
| No | 130 | 35(26.9) | 2(1.5) | Ref | Ref | |
| History of working in the forest areas | Yes | 126 | 36 (28.6) | 2(1.6) | 1.64(0.57, 4.72) | 1.15(0.20, 6.49) |
| No | 24 | 5(20.8) | 0(0.0) | Ref | Ref | |
| History of bite by Aedese mosquito | Yes | 118 | 36(30.5) | 2(1.7) | 5.7(1.28, 25.37)* | 1.34(0.21, 8.47) |
| No | 32 | 5(15.6) | 0(0.0) | Ref | Ref | |
CI (confidence interval), COR (crude odds ratio), AOR (adjusted odds ratio), and
*(significant at p<0.05), Ref (Reference category).