1 = Female
2 = Male

1 = High school
2 = Associate Degree
3 = Bachelor
4 = Graduate

1 = Married
2 = Single

1 = Coronary ICU
2 = Internal Medicine ICU
3 = Surgery ICU

1 = Yes
2 = No

0 = Not performed
1 = Performed

0 = Not performed
1 = Yes
2 = No