Table 2.

Sample characteristics (N = 559).

Variable		Frequency	Percent
Gender	Male	267	47.8
	Female	292	52.2
Age	less than 30	402	71.9
	31–40	128	22.9
	41–50	26	4.7
	51–60	3	0.5
Marital Status	Single	279	49.9
	Married	273	48.8
	Widow	3	0.5
	Divorced	4	0.7
level of education	Diploma Degree (3 years)	18	3.2
	Bachelor's Degree	488	87.3
	Master's Degree	53	9.5
Position	Registered Nurse (RN)	326	58.3
	Nurse Manager	32	5.7
	Physician	201	36.0
Place of Work	Governmental Hospital	152	27.2
	University Teaching Hospital	131	23.4
	Private Sector	74	13.2
	Not-for-Profit Hospital	202	36.1
Shift work	A-B-C	186	33.3
	Day/Night	149	26.7
	On-call 24 h s	192	34.3
	A shift	32	5.7