Table 4

Variable	Category	Practice of standard precautions		Crude OR (95% C.I.)	Adjusted OR (95% C.I.)
Variable	Category	Good n	Poor n	Crude OR (95% C.I.)	Adjusted OR (95% C.I.)
Age of HCWs (in years)	20-29	82	82	3.5(1.9,6.3)	2.6(1.1, 6.4)*
	30-39	106	128	2.9(1.6,5.1)	2.5(1.1, 5.3)*
	40-58	19	66	1.0
Service year of HCWs	1-10	137	152	2.6(1.3,5.2)	1.2(0.5, 3.2)
	11-20	57	86	1.9(0.9,3.9)	1.1(0.4, 2.6)
	21-39	13	38	1.0
Sex	Male	53	104	0.6(0.4,0.8)	0.5(0.3, 0.8)**
Sex	Female	154	172	1.0
Profession	Doctor	10	25	0.2(0.9,0.6)	0.2(0.1, 0.6)**
	Nurse	155	227	0.4(0.2,0.7)	0.3(0.2, 0.6)**
	Laboratory	42	24	1.0
Written material	Yes	154	152	2.4(1.6,3.5)	1.8(1.2, 2.8)**
Written material	No	53	124	1.0
Training	Yes	139	171	1.3(0.9,1.8)	1.6(1.0, 2.4)*
Training	No	68	105	1.0

Table 4: Bivariate and Multivariate logistic regression analysis; a predictor for good practice of standard precautions among health care workers in public health facilities of Mekelle special zone, Northern Ethiopia