Table 3. Seropositivity for IgG antibody to CHIKV and associated factors (N = 90).
| Variables | Category | CHIKV IgG sero-status | COR (95% CI) | AOR (95% CI) | |
|---|---|---|---|---|---|
| Total tested (N) | Positive N (%) | ||||
| Site | Itang | 58 | 12(20.7) | Ref | Ref |
| Lare | 32 | 2(6.3) | 0.25(0.05, 1.22) | 0.43(0.06,2.82) | |
| Sex | Male | 53 | 12(22.6) | 5.12(1.07, 24.46)* | 3.78(0.58, 24.52) |
| Female | 37 | 2(5.4) | Reference | Reference | |
| Age Group (years) | 18–30 | 36 | 4(11.1) | 0.48(0.12, 1.89) | 0.75(0.11, 5.37) |
| 31–40 | 25 | 4(16.0) | 0.73 (0.18, 2.95) | 2.74(0.47, 16.08) | |
| ≥41 | 29 | 6(20.7) | Ref | Ref | |
| Educational Status | Informal education | 64 | 8(12.5) | Ref | Ref |
| Formal education | 26 | 6(23.1) | 2.1(0.65, 6.80) | 2.64(0.36, 19.29) | |
| Occupation | Pastoralist | 49 | 2(4.1) | Ref | Ref |
| Agro pastoralist | 26 | 9(34.6) | 12.44(2.44,63.47)* | 14.17(2.30, 87.30)* | |
| Others | 15 | 3(20.0) | 5.88(0.88, 39.21) | 2.20(0.17, 27.18) | |
| History of residence outside Gambella | Yes | 10 | 3(30.0) | 2.68(0.60, 11.98) | 2.44 (0.33, 17.69) |
| No | 80 | 11(13.7) | Ref | Ref | |
| History of working in the forest areas | Yes | 82 | 13(15.8) | 1.32(0.14, 11.64) | 0.90(0.05, 15.33) |
| No | 8 | 1(12.5) | Ref | Ref | |
| History of Bite by Aedes mosquito | Yes | 89 | 12(15.2) | 0.54(0.10, 2.98) | 0.73(0.1, 8.00) |
| No | 11 | 2(18.2) | Ref | Ref | |
CI (confidence interval), COR (crude odds ratio), AOR (adjusted odds ratio), and
*(significant at p<0.05), Ref (Reference category).