Table 2. Comparisons of cases with and without a diagnosis of post-traumatic stress disorder in terms of epidemiological data.

		PTSD		Other		p
		n	%	n	%
Sex	Male	21	61.8	80	84.2	0.006*
	Female	13	38.2	15	15.8
Marital status	Married	22	62.8	64	68	0.458
	Single	13	37.2	30	32
Educational status	Primary-school graduates and lower	9	30.0	35	38.5	0.737
	Secondary-school graduates	5	16.7	15	16.5
	High-school graduates	9	30.0	27	29.7
	University graduates	7	23.3	14	15.4
Witnessed a fatal event	Yes	6	17.6	3	3.2	0.008*
	No	28	82.4	92	96.8

^*p<0.05; χ² test.