Table 2.

Risk factors of Cryptosporidium related to general management system in cattle in Addis Ababa and its environs, June 2014–Dec /2015(N = 392).

Risk factors	Label	Prevalence (%)	Adjusted OR
			ORa	95%CIb	P value
Management system	Extensive	11.2	2.16	1.1–4.2	0.016
	Intensive	21.4
Farm location	Rural	12.8	4.89	2.8–8.5	0.000
	Urban	41.8
Presence of calving pen	Yes	9.6	2.46	1.1–5.6	0.019
	No	20.7
Method of colostrum feeding	Hand feeding	11.8	2.15	1.2–3.9	0.009
	Suckling	22.3
Presence of bedding	Yes	4.26	10.55	4.9–22.7	0.000
	No	31.7
Weaning age	<6 months	17.5	3.45	1.8–6.8	0.001
	≥6 months	42.2
Herd size	>100	7.4			0.000
	<30	18.9	2.93	1.4–6.1
	30–100	35.8	6.99	3.3–14.7

^aOdds ratio.

^bConfidence interval.