Seroprevalence of HIV, HBV, HCV and syphilis infections among blood donors at Gondar University Teaching Hospital, Northwest Ethiopia: declining trends over a period of five years

Table 5 Socio–demographic characteristics of blood donors by hepatitis B and C virus seropositivity at Gondar University Teaching Hospital in Northwest Ethiopia 2003-2007

Characteristics	HBV Positive N (%)	OR (95% CI)	P-Values	HCV Positive N (%)	OR (95% CI)	P-Values
Age group (years)
17 - 25	144/3357 (4.3)	1.43 (0.86 - 2.39)	0.166	16/2726 (0.6)	0.91 (0.26 - 3.12)	0.875
26 - 35	89/1686 (5.3)	1.78 (1.05 - 3.02)	0.032	13/1395 (0.9)	1.44 (0.41 - 5.08)	0.569
36 - 45	48/757 (6.3)	2.17 (1.23 - 3.81	0.007	3/621 (0.5)	0.74 (0.15 - 3.71)	0.718
> 45	17/561 (3.0)	1.00	-	3/463 (0.6)	1.00	-
Gender
Male	273/5592 (4.9)	1.00	-	34/4528 (0.8)	1.00	-
Female	25/769 (3.3)	0.66 (0.43 - 0.99)	0.046	1/677 (0.1)	0.20 (0.03 - 1.43)	0.108
Occupation
Student	55/1347 (4.1)	1.00	_	6/1188 (0.5)	1.00	_
Daily labourer	79/1769 (4.5)	1.10 (0.77 - 1.56)	0.602	8/1312 (0.6)	1.21 (0.42 - 3.49)	0.726
Farmer	102/1575 (6.5)	1.63 (1.16 - 2.28)	0.005	14/1293 (1.1)	2.16 (0.83 - 5.63)	0.117
Housewife	7/212 (3.3)	0.80 (0.36 - 1.79)	0.589	1/179 (0.6)	1.11 (0.13 - 9.25)	0.925
Govt.employee	20/599 (3.3)	0.81 (0.48 - 1.37)	0.432	2/525 (0.4)	0.75 (0.15 - 3.75)	0.729
Merchant	12/333 (3.6)	0.88 (0.47 - 1.66)	0.689	0/288	-	-
Military	2/47 (4.3)	1.04 (0.25 - 4.42)	0.953	0/34	-	-
Driver	4/120 (3.3)	0.81 (0.29 - 2.28)	0.689	0/103	-	-
Construction worker	17/359 (4.7)	1.17 (0.67 - 2.04)	0.585	4/283 (1.4)	2.82 (0.79 - 10.08)	0.110
Number of donation
First donation	231/4372 (5.3)	1.60 (1.21 - 2.11)	<0.001	25/3610 (0.7)	1.11 (0.53 - 2.31)	0.79
Repeat donation	67/1989 (3.4)	1.00	-	10/1595 (0.6)	1.00	-
HIV status
Positive	17/239 (7.1)	1.59 (0.96 - 2.64)	0.07	4/181 (2.2)	3.64 (1.27- 10.42)	0.02
Negative	281/6122 (4.6)	1.00	-	31/5024 (0.6)	1.00	-

ISSN: 1471-2334