Table 4. Multiple linear regression analysis to predict scores of the subscales and domains of the SF-12 three years after the earthquake.

	PF	RP	BP	GH	VT	SF	RE	MH	PCS	MCS
Age (yrs)	−0.15**	−0.08**	−0.05**	−0.12**	−0.02*	–	0.08**	–	−0.15**	0.09**
Gender (F = 1/M = 0)	–	–	–	–	–	0.52	–	–	–	–
Education (rank from low to high = 1–5)	–	0.61**	0.35	0.79**	0.57**	–	–	–	0.62**	–
Ethnicity (Han = 1/Minorities = 0)	–	–	–	–	–	−0.93	–	−1.21*	–	−1.02
Household income(rank from low to high = 1–3)	0.87**	1.28**	0.77**	–	−0.42*	1.02**	0.93**	0.55*	0.75**	–
Chronic diseases(yes = 1/no = 0)	−4.44**	−6.87**	−4.68**	−9.39**	−1.96**	−1.10**	−1.44**	−1.18**	−7.63**	–
Two-week morbidity (yes = 1/no = 0)	−2.42**	−4.81**	−5.97**	−3.46**	−2.50**	−1.76**	–	−1.02*	−5.11**	–
Displaced after earthquake (yes = 1/no = 0)	–	–	–	−1.25*	−1.11**	–	–	–	–	–
Have regular income after earthquake(yes = 1/no = 0)	–	–	–	1.19**	–	–	–	–	–	–
Received mental health support after tsunami(yes = 1/no = 0)	1.15*	–	–	1.57*	–	–	–	–	1.16	–
Family member died or missing (yes = 1/no = 0)	–	1.14**	1.33**	1.67**	1.06**	–	–	–	1.26**	–
Injured due to the disaster (yes = 1/no = 0)	−3.71**	−3.03**	−2.73**	–	−1.95**	−1.58*	−2.62**	−1.19	−3.14**	−1.30
Lost home or property(yes = 1/no = 0)	−1.12*	–	−2.35**	−3.56**	−1.82**	2.65**	−0.94*	–	−2.25**	–
Witnessed someone being killed or injured(yes = 1/no = 0)	0.72	–	1.93**	–	–	0.92*	–	−0.68*	1.09*	–
PTSD score	−0.13**	−0.22**	−0.24**	−0.27**	−0.15**	−0.11**	−0.41**	−0.18**	−0.17**	−0.26**
Constant	62.70	59.52	60.57	57.36	63.67	52.80	51.92	55.51	62.72	53.66

^*p<0.05;

^**p<0.01;

– no significant.