Table 6.

Occurrence and risk of East Coast fever according to ago-ecological zone, grazing and animal health care in the western zone of Burundi

Husbandry practices	Number of farms	ECF occurrence	Proportion of ECF (%)	Odds ratio	95% CI
Agro-ecological zone
CND	41	33	80.48	Reference
Imbo	295	189	64.06	0.26*	0.08–0.73
Slope of Mumirwa	59	18	30.50	0.07*	0.02–0.24
Grazing system
Mixed (zero and open)	37	26	70.27	Reference
Open grazing	141	101	71.63	2.21*	0.83–5.90
Zero grazing	217	113	52.07	0.75*	0.28–1.96
Animal health care
No veterinary care	232	124	53.44	Reference
Care by veterinary professional	163	116	71.16	3.48*	2.14–5.76

ECF, East Coast fever

*Significant difference compared to Reference at P < 0.00