Table 3

Ordinary least square (OLS) and robust random effect (RRE) models of the effects of Traffic law reform, Police traffic enforcement, Police per 100 000 population and Road safety institutional mechanism on traffic fatality and severe injury rates per 10 000 vehicles and per 100 000 population, 2000–2012

Fatalities per vehicleFatalities per populationSevere injuries per vehicleSevere injuries per population
OLSRREOLSRREOLSRREOLSRRE
Independent variables
 Traffic law reform0.365 (1.215)0.365 (0.897)0.650 (1.182)0.650 (0.836)−0.096 (0.893)−0.096 (0.868)−0.218 (0.894)−0.218 (0.931)
 Police traffic enforcement0.082 (0.085)0.082 (0.081)0.154 (0.083)0.154 (0.102)−0.056 (0.062)−0.056 (0.098)−0.062 (0.063)−0.062 (0.103)
 Police per 100 000 population−2.022 (0.954)**−2.022 (0.889)**−1.166 (0.928)−1.166 (0.650)−1.283 (0.701)−1.283 (1.108)−1.414 (0.702)**−1.414 (1.158)
 Road safety institutional mechanism†−0.071 (0.029)**−0.071 (0.023)***−0.083 (0.028)***−0.083 (0.019)***−0.072 (0.021)***−0.072 (0.033)**−0.075 (0.021)***−0.075 (0.034)**
Controls
 Road infrastructure investment0.022 (0.042)0.022 (0.045)0.024 (0.041)0.024 (0.048)−0.000 (0.031)−0.000 (0.027)0.000 (0.031)0.000 (0.027)
 Oil price average0.180 (1.600)0.180 (1.277)0.218 (1.557)0.218 (1.125)0.790 (1.176)0.790 (1.205)0.871 (1.177)0.871 (1.305)
 Alcohol consumption−0.234 (0.322)−0.234 (0.316)−0.299 (0.313)−0.299 (0.300)0.465 (0.237)0.465 (0.243)0.465 (0.237)0.465 (0.228)**
 Percentage of young male population−0.172 (0.296)−0.172 (0.360)−0.153 (0.288)−0.153 (0.284)0.201 (0.217)0.201 (0.076)***0.193 (0.217)0.193 (0.097)**
 Unemployment−0.063 (0.095)−0.063 (0.109)−0.041 (0.092)−0.041 (0.125)0.030 (0.070)0.030 (0.101)0.032 (0.070)0.032 (0.104)
 Year fixed effectsYesYesYesYesYesYesYesYes
 Region fixed effectsYesYesYesYesYesYesYesYes
 Overall R20.230.820.610.680.970.980.460.56
 N169169169169
  • **p<0.05, ***p<0.01.

  • † Interaction effect of ‘Traffic law reform’בPolice traffic enforcement’.