Table 1: The demographic characteristics of studied nurses.

VariablesFrequency (%)

Age (year)
 Less than 2510 (12%)
 25–3546 (55.5%)
 35–4515 (18.1%)
 More than 456 (7.2%)
 Missing6 (7.2%)
Sex
 Male17 (20.5%)
 Female65 (78.3%)
 Missing1 (1.2%)
Marital status
 Single23 (27.8%)
 Married59 (71%)
 Missing1 (1.2%)
Education level
 Diploma7 (8.4%)
 Associate degree4 (4.8%)
 Bachelor's degree72 (86.8%)
Employment status
 Official employee41 (49.4%)
 Contractual employee29 (34.9%)
 Other12 (14.5%)
 Missing1 (1.2%)
Types of work shift
 Fixed shifts10 (12%)
 Rotating shifts73 (88%)
Job experience (year)
 Less than 532 (38.6%)
 5–1027 (32.5%)
 More than 1017 (20.5%)
 Missing7 (8.4%)
Service unit
 General Care Units23 (27.8 %)
 Intensive Care Units33 (39.7%)
 Missing27 (32.5%)