Table 2. Bivariate and multivariate relationships: peritraumatic stress and independent variables.

			Associations with PDI
			Daiichi (n = 831)								Daini (n = 580)
			Bivariate analysis				Multivariate analysis				Bivariate analysis				Multivariate analysis
			B	SE	β	p	B	SE	β	p	B	SE	β	p	B	SE	β	p
Sociodemographic factors	Age	Years	−0.08	0.03	−0.10	0.004**	−0.04	0.03	−0.04	0.24	−0.06	0.03	−0.07	0.077
	Sex	Male	2.93	1.83	0.06	0.11					3.32	1.31	0.11	0.012*	2.96	1.19	0.09	0.013*
	Supervisory work status	Yes	−3.16	1.06	−0.10	0.003**	−1.76	1.01	−0.06	0.08	−3.56	1.16	−0.13	0.002**	−2.73	1.06	−0.10	0.010*
	Preexisting illness(es)	Yes	0.23	0.91	0.01	0.80					2.02	1.06	0.08	0.056
Disaster-related experiences	Discrimination/slurs	Yes	5.58	0.92	0.21	<0.001***	3.61	0.84	0.13	<0.001***	6.59	1.11	0.24	<0.001***	4.38	1.05	0.16	<0.001***
	Near-death experience	Yes	7.35	0.60	0.39	<0.001***	5.62	0.61	0.30	<0.001***	6.45	0.78	0.33	<0.001***	4.33	0.80	0.22	<0.001***
	Escape from tsunami	Yes	5.92	1.07	0.19	<0.001***	2.19	1.00	0.07	0.028*	5.36	0.95	0.23	<0.001***	2.98	0.93	0.13	0.001**
	Witnessing of plant explosion(s)	Yes	4.79	0.65	0.25	<0.001***	2.53	0.63	0.13	<0.001***	4.29	1.10	0.16	<0.001***	2.48	1.01	0.09	0.015*
	Family member death(s)	Yes	1.15	1.36	0.03	0.40					1.07	1.60	0.03	0.50
	Colleague death(s)	Yes	3.93	0.80	0.17	<0.001***	1.67	0.78	0.07	0.033*	1.83	1.02	0.07	0.074
	Major property loss	Yes	3.86	0.68	0.19	<0.001***	2.30	0.63	0.12	<0.001***	4.56	0.82	0.23	<0.001***	2.87	0.77	0.14	<0.001***
	Home evacuation	Yes	1.97	0.71	0.10	0.005**	1.20	0.64	0.06	0.059	1.38	0.74	0.08	0.062

*p<0.05.

**p<0.01.

***p<0.001.