Group B streptococci vaginal colonization and drug susceptibility pattern among pregnant women attending in selected public antenatal care centers in Addis Ababa, Ethiopia

Table 4 Association between socio-demographic factors and GBS colonization among pregnant women at three health institutions (n = 281)

Socio demographic factors	Total	GBS Culture		COR (95% C.I)	p-value ^a	AOR(95% C.I)	p-value^b
Socio demographic factors	Total	GBS negative N (%)	GBS positive N (%)	COR (95% C.I)	p-value ^a	AOR(95% C.I)	p-value^b
Age group
15–19	8	6(75)	2(25)	2.83(0.32–24.8)	0.35
20–24	85	72(84.7)	13(15.3)	1.54(0.32–7.45)	0.59
25–29	120	102(85)	18(15)	1.50(0.32–7.06)	0.61
30–34	49	43(87.8)	6(12.2)	1.19(0.22–6.47)	0.84
≥ 35	19	17(89.5)	2(10.5)	1
Health Institutions
ALERT Center	141	124(87.9)	17(12.1)	1		1
Woreda 03 HC	52	48(92.3)	4(7.7)	0.61(0.20–1.90)	0.392	0.71 (0.22–2.27)	0.568
Alem Bank HC	88	68(77.3)	20(22.7)	2.15(1.05–4.37)	0.035*	2.63 (1.22–5.65)	0.013*
Marital Status
Married	274	234(85.4)	40(14.6)	1
Single	4	3(75)	1(25)	1.95(0.20–19.2)	0.57
Divorced	2	2(100)	0(0.0)	0.000	0.99
Widowed	1	1(100)	0(0.0)	0.000	1.00
Occupation
Civil servant	35	32(91.4)	3(8.6)	1
House wife	192	163(84.9)	29(15.1)	1.9(0.55–6.61)	0.314
Business women	54	45(83.3)	9(16.7)	2.13(0.54–8.51)	0.283

*Significant at p-value< 0.05; ¹ indicates logical reference group or constant; CI Confidence Interval, COR Crude odds ratio, AOR Adjusted odds ratio, ^a p-value obtained by binary; ^b p-value obtained by multiple logistic regression; HC: Health Center; ^N Number; ^% Percentage

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