Evaluation of the role of human factors in road accident

accidents are one of the very important factors of mortality and physical and financial damage that heavy work of social¡ cultural and economic communities severely threatened. The aim of this study was to investigate the role of human factors on three consequences of the accident damage¡ and injury¡ respectively.This study was designed analytical epidemiological population-based study Izeh - Dehedz- shahrekord. The basic information of the 3-year period from 1389 to 1392 with a visit to the police department in Ahvaz¡ the form in order to examine the relationship between human factors were embargoed com 114 mining and severity of Chi-square test was used.The most influential definite cause damage in accidents and injury respectively¡ tailgating with 95/3% and exceeding the safe speed to 33/3% was found. The most important cause of fatal accidents¡ fatigue and drowsiness with 23/3% (P = 0.000¡ x2 = 1.032). 100 drivers have accidents causing damage have graduate degrees and drivers have a bachelor''s degree with a 93/7% damage accidents were second (significance level = 0.006¡ x2 = 21.323). In most accidents damage¡ drivers certified by 97/4 of 2% and a smaller number of drivers without licenses (6 people)¡ but in injury crashes by 55/6% and fatal accident 11/1% as the first factor Traffic accident was found(P=0.000¡ x2= 78.533).Understanding the causes of accidents and planned and prioritized existing conditions can be enough to prevent the occurrence of accidents.