Table 3.

Univariate and Multivariate analysis relating factors with PTSD symptom according to job stress level

	Univariate						Multivariate
	Total		KOSS_Low		KOSS_High		Total		KOSS_Low		KOSS_High
	OR	95 % CI	OR	95 % CI	OR	95 % CI	OR	95 % CI	OR	95 % CI	OR	95 % CI
Personality traits (MMPI)
Hypo-chondriasis	1.451	0.787–2.675	2.494	0.734–8.408	1.414	0.606–3.298	0.951	0.398–2.276	7.422	0.931–59.165	0.904	0.250–3.272
Depression	1.652	0.887–3.077	0.635	0.207–1.946	2.082	0.856–5.063	1.926	0.804–4.610	0.421	0.073–2.446	3.952	0.987–15.974
Hysteria	1.455	0.791–2.677	2.100	0.660–6.683	1.273	0.546–2.967	1.680	0.751–3.805	1.098	0.189–6.384	2.250	0.630–8.035
Psychopathic deviant	0.793	0.433–1.453	0.635	0.207–1.946	0.632	0.267–1.496	0.747	0.370–1.511	0.331	0.070–1.565	0.623	0.208–1.866
Masculinity-femininity	2.234	1.194–4.180	5.111	1.341–19.485	1.468	0.624–3.454	1.820	0.924–3.584	5.304	1.191–23.624	1.667	0.569–4.883
Paranoia	1.546	0.826–2.896	0.987	0.327–2.975	1.522	0.626–3.699	1.755	0.836–3.685	0.654	0.145–2.938	1.648	0.455–5.976
Psychasthenia	1.021	0.557–1.870	0.551	0.173–1.755	0.780	0.324–1.875	0.617	0.275–1.381	0.249	0.046–1.337	0.190	0.042–0.855
Schizophrenia	1.061	0.580–1.941	0.667	0.218–2.043	1.145	0.491–2.672	0.634	0.263–1.532	1.266	0.239–6.690	0.794	0.184–3.429
Hypomania	0.997	0.545–1.824	0.719	0.239–2.169	1.490	0.637–3.458	1.270	0.643–2.505	0.573	0.129–2.552	2.700	0.951–7.667
Social introversion	1.888	1.018–3.504	0.579	0.182–1.843	2.571	1.060–6.238	1.737	0.813–3.713	0.453	0.091–2.261	3.727	1.096–12.673
Job duration	1.055	1.009–1.103	1.085	0.999–1.178	1.049	0.983–1.118	1.064	1.012–1.118	1.126	1.003–1.265	1.042	0.961–1.130