Table 1.

Characteristics distribution of the study sample.

Characteristic	Categories	Number (N)	Percentage
Age group	18–29 years	253	74.0
	30–60 years	89	26.0
Gender	Male	172	50.3
	Female	170	49.7
Marital status	Single	126	36.8
	Married	216	63.2
Number of children	None	180	52.6
	1–5 children	149	43.6
	6–12 children	13	3.8
Field of work	Doctors	126	36.8
	Other	216	63.2
Economic status	High income	119	34.8
	Middle income	166	48.5
	Low income	57	16.7
Working night shifts	Yes	255	74.6
	No	87	25.4
Cigarette smoking status	Nonsmoker	312	91.2
	Smoker	30	8.8
Traumatic event occurred during past month	Yes	142	41.5
	No	200	58.5
Total		342	100.0