Table 2 Multivariate logistic regression analysis for occurrence and co-occurrence of tsetse species
Predictor | G. pallidipes | G. morsitans | Coexistence | ||||||
|---|---|---|---|---|---|---|---|---|---|
Fly catch | OR (95% CI) | p | Fly catch | OR (95% CI) | p | Fly catch | OR (95% CI) | p | |
Area | |||||||||
 Akagera N.P | 21,003 | 1.00 |  | 8016 | 1.00 |  | 29,019 | 1.00 |  |
 Interface | 8118 | 1.275 (1.216–1.336) | 0.000 | 2379 | 0.218 (0.113–0.423) | 0.000 | 10,497 | 0.021 (0.007–0.065) | 0.000 |
Season | |||||||||
 Dry | 6055 | 0.899 (0.858–0.942) | 0.000 | 2166 | 1.412 (1.263–1.578) | 0.000 | 8221 | 2.860 (1.781–4.593) | 0.000 |
 Wet | 23,066 | 1.00 |  | 8229 | 1.00 |  | 31,295 | 1.00 |  |
Month | |||||||||
 March | 4275 | 1.416 (1.264–1.586) | 0.000 | 1399 | 0.648 (0.469–0.897) | 0.009 | 5674 | 0.312 (0.163–0.596) | 0.000 |
 April | 13,903 | 1.512 (1.365–1.675) | 0.000 | 4589 | 0.547 (0.432–0.691) | 0.000 | 18,492 | 0.002 (0.001–0.004) | 0.000 |
 May | 4888 | 1.093 (0.980–1.219) | 0.111 | 2241 | 0.670 (0.515–0.872) | 0.003 | 7129 | 0.023 (0.011–0.48) | 0.000 |
 June | 2763 | 1.628 (1.437–1.843) | 0.000 | 812 | 0.507 (0.375–0.685) | 0.000 | 3575 | 0.073 (0.034–0.153) | 0.000 |
 July | 1955 | 1.283 (1.128–1.459) | 0.000 | 733 | 0.664 (0.486–0.907) | 0.010 | 2688 | 0.070 (0.27–0.180) | 0.000 |
 August | 1337 | 1.00 |  | 621 | 1.00 |  | 1958 | 1.00 |  |
Ecosystem | |||||||||
 Mountain | 5097 | 0.823 (0.775–0.873) | 0.000 | 2207 | 1.215 (1.145–1.289) | 0.000 | 7304 | 1.000 (0.00 -.b) | 1.000 |
 Savannah | 1231 | 0.756 (0.582–0.839) | 0.000 | 580 | 1.322 (1.192–1.467) | 0.000 | 1811 | ND | ND |
 Swampy | 14,675 | 1.00 |  | 5229 | 1.00 |  | 19,904 | 1.00 |  |
District | |||||||||
 Kayonza | 1663 | 2.335 (1.447–3.769) | 0.001 | 603 | 0.428 (0.265–0.691) | 0.001 | 2266 | 99.360 (63.481–155.517) | 0.000 |
 Gatsibo | 159 | 0.770 (0.691–0.857) | 0.000 | 19 | 1.299 (1.167–1.446) | 0.000 | 178 | 13.090 (9.096–18.836) | 0.000 |
 Nyagatare | 6296 | 1.00 |  | 1757 | 1.00 |  | 8053 | 1.00 |  |