Table 3. Multiple logistic regression analysis for predictors of anemia in HAART naïve HIV patients involved in the study, South west Ethiopia, 2012.

Variables		COR* (95% CI*)	P-value	AOR* (95% CI*)	p-value
Opportunistic infection	Yes	4.83 (1.76–13.25)	.002	5.12 (1.69–15.46)	0.004
	No	1 (ref)		1 (ref)
CD4 count(cells/µl)	<200	8.33 (2.42–28.69)	.001	9.73 (2.57–36.89)	.001
	200–499	1.90 (0.70–5.14)	.209	1.69 (0.57–4.98)	0.344
	>500	1 (ref)		1 (ref)
Residence	Urban	1 (ref)		1 (ref)
	Rural	3.72 (1.38–10.05)	0.010	3.42 (1.12–10.39)	0.030

NB: COR* = Crude Odds ratio, AOR* = adjusted odds ratio, CI* = Confidence interval.