Syphilis and human immunodeficiency virus infections among pregnant women attending antenatal care clinic of Gondar family guidance association, Northwest Ethiopia: implication for prevention of mother to child transmission

Table 3 Associated factors for Syphilis sero-positivity among pregnant women attending at the Ethiopian Family Guidance Association Clinic, Gondar, Northwest Ethiopia, from January, 2011 to April, 2015 (N = 3504)

Variables	Syphilis Sero-status		COR(95%CI)	AOR(95%CI)	P –Value
Variables	Positive	Negative	COR(95%CI)	AOR(95%CI)	P –Value
Age group in year
< 20	4	733	1.00	1.00
20–29	42	2103	3.66 (1.31–10.24)^a	3.86 (1.36–10.89)^a	0.011
≥ 30	20	602	6.09 (2.07–17.91)^a	6.08 (2.04–18.14)^a	0.001
HIV status
Negative	43	3316	1.00	1.00
Positive	23	122	14.5 (8.49–24.88)	14.6 (8.49–25.18)^a	< 0.001
ABO blood group
A	10	974	0.46 (0.16–1.35)
B	16	815	0.88 (0.32–2.42)
O	35	1426	0.83 (0.42–2.82)
AB	5	223	1.00
Rh blood group
Rh Negative	4	263	1.00
Rh Positive	62	3175	1.28 (0.46–3.66)

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