Study participants were 183 nurses working in emergency rooms in general hospitals that had more than 500 beds and were located in Daegu, Daejeun, and Pusan. The survey was carried out from March 7 to March 26, 2006 and a structured questionnaire was used. Descriptive statistics, t-test, ANOVA and Sheffe test with SPSS 14.0 were used to analyze the data.