ABSTRACT
To explore risk behaviors among Iranian motorcyclists. This was a qualitative study based on grounded theory to identify factors influencing Iranian motorcyclists' risk behaviors. In all, 22 participants took part in the study. To collect data, two focus groups and 13 in-depth interviews with key informants were conducted in Tehran, Iran. Moreover, thirty two observations regarding motorcyclists' behaviors were assessed to increase trustworthiness of the collected data. All interviews and discussions were transcribed and analyzed. A total of 22 participants with an average age of 26.4 years shared their experience regarding motorcyclists' risk behaviors factors while riding. Among all participants, 16 participants were riders or pillions and family members of riders and 2 participants were policemen. Of all, 4 participants were female and 41.7% were single. The findings of this study revealed that personal characteristics, environmental factors, vehicle related factors and abuse of safe equipments could cause risky behaviors while riding. The findings of this study indicated that different factors might influence risky behaviors. Thus a multidimensional and comprehensive approach should be designed to prevent risky behaviors