Table 4.
Average tsetse fly counts among potential risk factors and univariate analysis
| Risk factor | Category | Average count | 95 % CI | p-value |
|---|---|---|---|---|
| Altitude | ≤1200 ma | 17.1 | 16.6,17.6 | <0.001 |
| >1200 m, ≤1300 m | 12.0 | 11.6,12.5 | ||
| >1300 m, ≤1400 m | 13.6 | 13.2,14.0 | ||
| >1400 m, ≤1500 m | 5.9 | 5.5,6.2 | ||
| >1500 m | 12.0 | 10.9,13.2 | ||
| Year | 2009 | 10.4 | 10.1,10.7 | <0.001 |
| 2010 | 18.3 | 17.9,18.7 | ||
| 2011 | 6.0 | 5.7,6.4 | ||
| Regional state | Benshangul-Gumuz | 32.7 | 31.8,33.6 | <0.001 |
| Amhara | 3.3 | 3.1,3.5 | ||
| Oromia | 14.5 | 14.1,14.8 | ||
| River system | Abay Didessa | 2.9 | 2.5,3.5 | <0.001 |
| Abay | 12.3 | 12.0,12.7 | ||
| Baro Akobo | 14.5 | 14.1,14.8 |