Table 1.

Socio demographic characteristics of healthcare providers working in operation room at UOG and TG comprehensive specialized hospital, Amhara, northwest Ethiopia April 2011, (n = 394).

Variables	Category	n (%)
Sex	Male	308(78.2)
	Female	86(21.6
Age(years)	<30	235(59.6)
	>30	159(40.4)
BMI	Underweight	19(4.8)
	Normal	323(82)
	Overweight	52(13.2)
Educational level	Diploma	13(3.3)
	1st degree	152(38.6)
	MSc	31(7.9)
	Residency	155(39.3)
	Specialty	43(10.9)
Religion	Orthodox	323(82)
	Muslim	36(9.1)
	Protestant	33(8.4)