Table 3.

Prevalence and multiple logistic regression observations on risk factors associated with HIV infection among blood donors at Debretabor General Hospital, South Gondar, Northwest Ethiopia, 2017, N, 310

Variables		Total	Anti-HIV status	COR (95%CI)	P-value	AOR (95%CI)	P-value
			Positive (%)
Occupation	Employed	143	4 (2.8)
	Day laborer	25	3 (12.0)
	House wife	10	0
	Student	132	1 (0.8)
Educational status	Illiterate	25	2 (8.0)	1.70 (1.02–2.78)	0.04	1.20(0.40–5.61)	0.04
	Primary school	85	1 (1.2)	12.1(2.30–25.7)	0.10	15.4(4.30–129)	0.07
	Secondary and above	200	5 (2.5)	1
Marital status	Single	175	4 (2.3)	1
	Married	96	1 (1.0)	2.10(1.08–3.39)	0.63
	Widowed	29	2 (6.9)	4.91(2.11–7.03)	0.42
	Divorced	10	1 (10.0)	1.80(0.45–3.99)	0.07
Previous history of BT	Yes	60	1 (1.7)	1.34(0.59–2.33)	0.41
	No	250	7 (2.8)	1
Multiple sexual partner	Yes	81	7 (8.7)	2.44(1.19–4.26)	0.02	1.82(0.91–25.1)	0.04
	No	229	1 (0.5)	1
History of invasive procedure	Yes	12	0
	No	298	8 (2.7)
History of tattooing	Yes	34	2 (5.9)	1.22(0.52–2.79)	0.55
	No	276	6 (2.2)
Shaving habit	Yes	49	2 (4.1)	0.73(0.21–1.77)	0.65
	No	261	6 (2.3)
Needle-stick injury	Yes	97	3 (3.1)	2.11(1.39–3.34)	0.85
	No	213	5 (3.3)	1
Communal use of sharp materials	Yes	123	1 (0.8)	1.01(0.30–2.16)	0.95
	No	187	7 (3.7)
Sharing of toothbrush	Yes	67	2 (3.0)	1.19(0.72–2.17)	0.50
	No	243	6 (2.5)	1
Ear pricing	Yes	87	1(1.1)	2.10(0.57–6.87)	0.23
	No	223	7 (3.1)	1

HIV human immunodeficiency virus, COR crude odds ratio, AOR adjusted odds ratio, CI confidence interval