Table 5: Multiple logistic regression analysis of background factors associated with selection of cities with a population greater than that of the hometown area.

    Odds Ratio 95% C.I. P value
  Lower Upper  
Gender Female 1.47 0.55 3.930 0.44
Age 24 (as standard)        
25 2.615 0.623 10.974 0.189
26 0.884 0.187 4.173 0.876
27 1.172 0.218 6.316 0.853
28 8.354 0.646 108.026 0.104
29 1.695 0.089 32.247 0.726
30～34 1.296 0.211 7.971 0.779
35～39 0.000 0.000   0.999
40～69 1.462 0.089 24.146 0.791
Graduation year every 1 year from 2005        
  1.076 0.905 1.280 0.407
Repeat year Yes 1.095 0.241 4.971 0.907
Fail the National Exam. Yes 0.851 0.153 4.729 0.854
Hometown Kagoshima prefecture (as standard)        
Kyushu reigion (except Kagoshima) 2.335 0.447 12.198 0.315
Shikoku region 10.987 1.664 72.547 0.013*
Chugoku region 0.784 0.060 10.186 0.853
Kinki region 11.678 2.629 51.870 0.001*
Chubu region 3.799 0.668 21.603 0.132
Kanto region 7.115 1.543 32.811 0.012*
Tohoku region, Hokkaido region, Overseas 10.684 1.325 86.177 0.026*

*:p<0.05