Glossina pallidipes Density and Trypanosome Infection Rate in Arba Minch Zuria District of Gamo Zone, Southern Ethiopia

Table 4

Univariable logistic regression analysis for potential risk factors of trypanosome infection in G. pallidipes.

Variable	Category	No. of fly examined	No. of fly infected	Infection rate (%)	OR	95% CI	value
Sex	Male	101	8	7.92	—	—	Ref
	Female	199	45	22.61	3.39	1.53-7.52	0.003
Age	≤20 days	84	8	9.52	—	—	Ref
	>20 days	216	45	20.83	2.5	1.12-5.56	0.025
Hunger stage	Stage 4 (hungry)	50	3	6	—	—	Ref
	Stage 3 (intermediate)	90	6	6.67	1.11	0.26-4.68	0.87
	Stage 2 (replete)	97	14	14.43	2.64	0.72-9.67	0.14
	Stage 1 (gorged)	63	30	47.62	14.24	4.01-50.59	0.001
Grazing area	Communal/domestic	150	14	9.33	—	—	Ref
	Wild/park area	150	39	26	3.41	1.76-6.60	0.01
Vegetation type	Bush land	85	8	9.41	—	—	Ref
	Riverine forest	95	18	18.94	2.25	0.74-5.48	0.07
Kebele	Wood-grass land	120	27	22.5	2.7	1.2-6.5	0.017
	Ganta Kanchama	80	6	7.5	—	—	Ref
	Kola Shara	70	8	11.42	1.59	0.52-4.83	0.41
	Nech Sar Park	150	39	26	4.33	1.74-10.74	0.002