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Table 2 Bivariate assocation between traffic injury/mortality and demographic, economic, road traffic, and medical and cultural indicators in Japan

From: Comparing the impact of socio-demographic factors associated with traffic injury among older road users and the general population in Japan

  Traffic mortality for total population Traffic injury for total population Traffic mortality among older people Traffic injury among older people
  Coefficient SE P-value Coefficient SE P-value Coefficient SE P-value Coefficient SE P-value
Demographic             
Total population (1,000 persons) -0.260 0.010 <.0001 -0.040 0.001 <.0001 -0.281 0.016 <.0001 -0.064 0.002 <.0001
Population among older people (1,000 persons) -0.261 0.010 <.0001 -0.042 0.001 <.0001 -0.283 0.016 <.0001 -0.069 0.002 <.0001
Proportion of older people (%) 0.223 0.012 <.0001 -0.002 0.001 0.080 0.220 0.018 <.0001 0.017 0.003 <.0001
Economic             
Income per capita (1,000 yen) -0.168 0.010 <.0001 -0.021 0.001 <.0001 -0.182 0.016 <.0001 -0.032 0.002 <.0001
Unempoyment rate (%) -0.202 0.014 <.0001 -0.061 0.001 <.0001 -0.222 0.021 <.0001 -0.104 0.003 <.0001
Degree of urbanization -0.158 0.012 <.0001 0.041 0.001 <.0001 -0.159 0.018 <.0001 0.034 0.003 <.0001
Road traffic             
Total length of road (KM) 0.019 0.011 0.083 -0.013 0.001 <.0001 0.008 0.016 0.612 -0.033 0.003 <.0001
Total number of registered vehicles -0.237 0.010 <.0001 -0.023 0.001 <.0001 -0.250 0.016 <.0001 -0.048 0.002 <.0001
Total number of licensed drivers -0.257 0.010 <.0001 -0.037 0.001 <.0001 -0.276 0.016 <.0001 -0.059 0.002 <.0001
Medical and cultural             
Number of physicians per 100,000 population -0.086 0.011 <.0001 -0.007 0.001 <.0001 -0.102 0.017 <.0001 -0.029 0.003 <.0001
Number of emergency patients transferred by ambulance per 100,000 population -0.265 0.011 <.0001 -0.041 0.001 <.0001 -0.295 0.017 <.0001 -0.064 0.002 <.0001
Alcohol consumption per person (liters) -0.157 0.010 <.0001 -0.065 0.001 <.0001 -0.174 0.016 <.0001 -0.094 0.002 <.0001
Entrance rate of college/university after high school graduation (%) -0.295 0.011 <.0001 -0.047 0.001 <.0001 -0.314 0.017 <.0001 -0.077 0.002 <.0001