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Table 2 Analysis of simple linear regression between various characteristics of the provinces and the road traffic injury mortality rate, adjusted per 100 million vehicle-kilometres travelled

From: Geographic variability of fatal road traffic injuries in Spain during the period 2002–2004: an ecological study

Variables β p CI 95% β R 2
% High capacity roads -0.055 >0.001 -0.082/-0.028 0.263
% Heavy vehicles 0.055 >0.001 0.030/0.079 0.295
% Consum ers of alcohol 0.011 0.339 -0.012/0.034 0.019
Mean precipitacion (mm) -0.00018 0.983 -0.00068/0.00033 0.01
Educational and culture level     
Low 0.679 0.001 0.314/1.045 0.231
Medium 0.491 0.009 0.131/0.851  
High 0    
Income     
Low 0.284 0.156 -0.112/0.680 0.053
Medium 0.306 0.140 -0.104/0.716  
High 0