The influence of distracters and inattention factors on car crash ruled by drivers who referred to substitute car plate of Qom during year 2010

  Background: Our country stands at second country of the world in context of road traffic crashes with 27000 cases of death and 280,000 cases of injuries due to driving accident. road crash in the world. One of distracters or inattention factors intervenes in more than 20% to 50% of driving accidents. This research was accomplished with the purpose of determine frequency of distracters and inattention as a basic causation of driving crash beside other factors and determine the most important in and out of car distracters and inattention in road accident and finally determine the relationship between age and location of accident with distracters and inattention factors.   Material and methods: In this 155 drivers with systematical random sampling method and at least two years driving and with a crash, complete two instruments. One of them was a questionnaire with 34 items about biography, driving and cause of accident. Next instrument was a check list with 24 distracters and inattention factors. Result show by means of percents and frequency. The x2 was used to determine the relationship between age and location of crash and distracters   Results: our results demonstrated that totally 28.9% of crashes belong to road and car, 5. 2% of accidents were occurring in unfavorable psychological position (anger, nervousness and so on), 32. 9% of crashes were due to speed and over taking, and 32.9% of crashes were due to distracters and inattention factors. The most important factor for distracters were mobile phones and sleepiness with 14. 8%. The most important inattention factors were mental preoccupation and anxiety with 14. 2%. In this manner there wasn't a significant different between younger and older drivers in distracters and inattention. Finally, talking with mobail phones was a distracter of inter city(p