Table 2.

Multivariable logistic analysis of risk factors associated with Theileria equi PCR positivity in horses in North-Western Nigeria

Variables	Category	OR (95%CI)	P value
Location	Kano	a
	Kaduna	0.234 (0.108–0.506)	P < 0.001
	Katsina	1.818 (0.909–3.635)	0.094
	Jigawa	3.890 (1.849–8.219)	0.000
Breed	Arewa	a
	Sudanese	0.814 (0.438–1.512)	0.526
	Talon	0.307 (0.146–0.646)	P < 0.001
	Others	0.904 (0.209–3.907)	1.000
Gender	Male	a
	Female	0.707 (0.421–1.019)	0.229
Age (years)	Under 6	a
	Between 6 and 12	1.561 (0.906–2.689)	0.125
	Over 12	1.766 (0.750–4.156)	0.211
Activities of horses	Sports (Polo)	a
	Sports and ceremony	2.765 (1.074–7.123)	0.047
	Ceremony and recreation	1.466 (0.846–2.541)	0.209
	Reproduction and work	3.872 (1.752–8.558)	P < 0.001
Husbandry practices	Unsatisfactory	a
	Satisfactory	0.489 (0.301–0.796)	0.005
Contact with other mammals	Yes	a
	No	0.278 (0.119–0.649)	0.004
	Not sure	0.523 (0.261–1.049)	0.072
Frequency of acaricide use	Monthly	a
	Occasionally	0.115 (0.006–2.145)	0.073
	Not sure	0.140 (0.008–2.575)	0.158
Management system	Extensive	a
	Intensive	2.513 (1.201–5.261)	0.019
	Semi-tensive	1.056 (0.497–2.241)	0.002

^aReference category.