Table 2.

The associations between potentially predictive variables and starting drinking

	Statement drinking status before and after disaster (Sex-Age adjusted model)						Statement drinking status before and after disaster (multivariable analysis)
	New drinker						New drinker
Model	OR	(95%CI)			P value		OR	(95%CI)			P value
n=21,454
Gender (0 Females, 1 Males)
Males							1.93	1.74-2.15			<0.001
Age (0 65 years old and older)
21-49 years old							1.85	1.60-2.13			0.003
50-64 years old							1.24	1.07-1.44			0.004
Socioeconomic and other factors
Education attainment (0 less High school, 1 more Vocational college/Junior college)	1.17	1.06-1.29			0.002		1.21	1.09-1.35			0.001
Subjective health status (0 Very good/Good/Normal, 1 Bad/Very bad)	1.17	1.04-1.32			0.009		0.90	0.78-1.03			0.135
Smoking (0 Never smoked/Quit, 1 Current smoker)	1.23	1.10-1.38			<0.001		1.22	1.08-1.38			0.002
Exercise habit (0 Almost never, 1 Once a week/2-4 times a week/Almost every day)	1.02	0.97-1.06			0.503
Experience of disaster
Experience of tsunami (0 No, 1 Yes)	1.25	1.12-1.40			<0.001		1.06	0.93-1.21			0.357
Experience of nuclear power plant accident (0 No, 1 Yes)	1.21	1.11-1.33			<0.001		1.03	0.93-1.14			0.590
Disaster related problems
House damage (0 No damage/Partial damage, 1 Partial collapse and severer)	1.18	1.04-1.34			0.011		1.02	0.88-1.17			0.822
Loss of family or relatives (0 No, 1 Yes)	1.32	1.18-1.47			<0.001		1.21	1.07-1.37			0.002
Change in work (0 No, 1 Yes)	1.33	1.21-1.46			<0.001		1.19	1.07-1.32			0.001
Living arrangement (0 Rental housing/Apartment/Relative’s home/Own home/other, 1 Evacuation shelter/Temporary housing)	0.93	0.79-1.09			0.338
Psychiatric problems
Sleep problem (0 0-2)
3-8	1.60	1.46-1.76			<0.001		1.45	1.30-1.62			<0.001
Traumatic symptoms(PCL-S) ≧44 (0 No, 1 Yes)	1.57	1.42-1.74			<0.001		1.33	1.17-1.51			<0.001