Impaired psychological recovery in the elderly after the Niigata-Chuetsu Earthquake in Japan:a population-based study

Table 4 Multiple regression analysis of factors that affected GHQ-12

	Total			Factor I			Factor II
	Pre-	Post-	Now	Pre-	Post-	Now	Pre-	Post-	Now
Female gender		0.11	0.05		0.12	0.07	0.08	0.08	0.07
Age			0.06	0.06		0.11
Place of residence when the earthquake occurred
Nagaoka City						0.07
Ojiya City			-0.14
Mitsuke City							-0.06
Kawaguchi Town	0.07			0.07	0.05	0.09
Yamakoshi Village			0.10			0.14
Employment
Executive of business firm		-0.06	-0.05	-0.05	-0.06
Office worker									0.05
Disemployment								-0.06
Location when the earthquake occurred
At home		0.05			0.06
In public facilities							0.05
No family members living together						0.04
Lost income after earthquake						0.06
Severity of house damage
Severely damaged	0.08					0.10
Almost completely destroyed				0.10		0.15
Timing of contact with lifeguards
1 to 3 hours after the earthquake		0.09			0.08
3 to 6 hours		0.12			0.10
6 to 12 hours								0.08
more than 12 hours		0.16			0.15
No contact							0.05	0.08
Mild injury caused by the earthquake		0.06	0.10		0.06	0.10
Mild sickness after the earthquake		0.07	0.09		0.08	0.09
Adjusted R square	0.01	0.08	0.12	0.02	0.07	0.14	0.02	0.03

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