Table 3.
Risk factors for positive influenza A by rRT‐PCR among central Mongolian horses, Khentii, Dundgovi, and Töv provinces, Mongolia, 2011
| Variable | N | n a (%) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) |
|---|---|---|---|---|
| Age(years) | ||||
| 13–18 | 65 | 7 (20·6) | 3·5 (1·3–9·4)b | 3·3 (1·2–8·9)b |
| 7–12 | 350 | 16 (47·1) | 1·4 (0·6–3·0) | 1·3 (0·6–3·0) |
| 1–6 | 330 | 11 (32·4) | Reference | Reference |
| Sex | ||||
| Female | 365 | 19 (55·9) | 1·3 (0·7–2·7) | – |
| Male | 380 | 15 (44·1) | Reference | – |
| Aimag (province) | ||||
| Khentii | 150 | 15 (44·1) | 4·8 (2·0–11·5)b | 4·6 (1·9–11·1)b |
| Dundgovi | 245 | 11 (32·4) | 2·0 (0·8–5·1) | 2·1 (0·8–5·2) |
| Töv | 350 | 8 (23·5) | Reference | Reference |
a
Represents influenza A virus positive samples as determined by rRT‐PCR.
b
Represents statistically significant results (P < 0·05).