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

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

  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