Table 1.

Demographic characteristics of the participants (n = 963)

Variable	Category	Number	%
Hospital
	Hospital A	543	56.4
	Hospital B	324	33.6
	Hospital C	96	10.0
Gender
	Male	39	4.0
	Female	924	96.0
Education
	High school	6	0.6
	College	465	48.3
	University	475	49.3
	Graduate school	17	1.8
Marriage
	Unmarried	554	57.5
	Married	405	42.1
	Divorced	4	0.4
Nursing grade
	N0	34	3.5
	N1	282	29.3
	N2	317	32.9
	N3	244	25.3
	N4	86	8.9
Title
	Nurse	773	80.3
	Chief	170	17.7
	Leader	8	0.8
	Others	12	1.2

Age and tenure	Mean	SD	Range
Age (years)	32.7	5.8	23–55
Out of hospital (months)	21.9	34.7	0–240
Within hospital (months)	89.6	49.7	3–378