Table. Seroreactivity to EBOV-NP IgG and risk factors of exposure to EBOV in domestic pig population, Guinea, 2017–2019* .
| Variable | Class | Total | EBOV-NP IgG seroreactivity |
Risk factors |
||||
|---|---|---|---|---|---|---|---|---|
| Positive | Negative | Inconclusive | OR (95% CI) | p value | ||||
| Sex |
F† | 440 | 114 (25.91) | 308 (70) | 18 (4.09) | NA | NA | |
| M |
448 |
109 (24.33) |
312 (69.64) |
27 (6.03) |
|
0.94 (0.69–1.28) |
0.712 |
|
| Age, mo |
3–6† | 490 | 121 (24.69) | 338 (68.98) | 31 (6.33) | NA | NA | |
| 7–12 | 282 | 83 (29.43) | 188 (66.67) | 11 (3.90) | 1.23 (0.89–1.72) | 0.215 | ||
|
>13 |
116 |
19 (16.38) |
94 (81.03) |
3 (2.59) |
|
0.56 (0.33–0.96) |
<0.05 |
|
| Sites |
Boké | 29 | 11 (37.93) | 12 (41.38) | 6 (20.69) | 11.23 (3.25–46.58) | <0.001 | |
| Boffa | 47 | 26 (55.32) | 21 (44.68) | 0 | 15.17 (5.16–56.35) | <0.001 | ||
| Dubreka | 85 | 5 (5.88) | 75 (88.24) | 5 (5.88) | 0.82 (0.21–3.44) | 0.77 | ||
| Conakry† | 53 | 4 (7.55) | 49 (92.45) | 0 | NA | NA | ||
| Coyah | 169 | 18 (10.65) | 148 (87.57) | 3 (1.78) | 1.49 (0.52–5.34) | 0.49 | ||
| Forecariah | 41 | 0 | 41 (100) | 0 | ≈0 | 0.98 | ||
| Kindia | 84 | 27 (32.14) | 49 (58.33) | 8 (9.52) | 6.75 (2.42–24.11) | <0.001 | ||
| Dalaba | 15 | 1 (6.67) | 14 (93.33) | 0 | 0.88 (0.04–6.53) | 0.91 | ||
| Kissidougou | 94 | 7 (7.45) | 85 (90.43) | 2 (2.13) | 1.01 (0.29–4.01) | 0.99 | ||
| Guéckédou | 75 | 26 (34.67) | 42 (56) | 7 (9.33) | 7.58 (2.69–27.26) | <0.001 | ||
| Koulé | 43 | 36 (83.72) | 5 (11.63) | 2 (4.65) | 88.20 (24.79–408.7) | <0.001 | ||
| Nzérékoré |
153 |
62 (40.52) |
79 (51.63) |
12 (7.84) |
|
9.61 (3.67–33.09) |
<0.001 |
|
| Total | 888 | 223 (25.11) | 620 (69.82) | 45 (5.07) | ||||
*Values are no. (%) except as indicated. EBOV, Zaire Ebola virus; NA, not applicable; OR, odds ratio. †Indicates the reference level for 3 categorical variables (sex, age, and region).