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Introduction: Occupational accidents, because of the growing globalization, have caused substantial problems in countries. The effects of the occupational accidents can be resulted in temporary or permanent disabilities and even death. More than 80-90% of the occupational accidents are due to unsafe behavior. In recent decades, many of countries have considered more attentions to occupa-tional accidents as a result of their high costs. Petroleum industry is one of the most incoming industries in Iran that have caused many of the dangerous accidents. The aim of this study was to evaluate the type and intensity of occupational accidents in Kermanshah petroleum refinery. Materials & methods: This descriptive-analytical study was conducted in all units of the Kermanshah petroleum refinery. The occupational accidents data within years of 1984-2009 were collected from workers health documents and registered using Tarrant check list on the basis of unsafe behavior and unsafe condition. The data obtained were then analyzed by SPSS-16 and descriptive statistics. Findings: According to the results, about 86 occupational accidents were occurred in the-refinery during last 25 years that needed to emergency measurements. The most injured organ was hands (38.4%) and the most unsafe behavior was related to facilities maintenance units (82.6%). The results were also showed that the accidents frequency as a result of unsafe behavior, unsafe condi-tion and both factors were 82.6%, 8.1% and 9.3%, respectively. The most frequency of unsafe behavior (81.4%) was observed for workers with 36-55 years old. Discussion & Conclusion: In this study, human behavior was the main factor of the occupational accidents. In order to reduce the occupational accidents, it is essential that educational courses and planning related to safety were estab-lishhed for workers. Moreover, using experiences of scientific researchers, pr-ecise supervision on accomplishment of the regulations and providing the safety culture are helpful to prevent the occupational accidents.

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Introduction: Industrial safety is an important issue that should be considered as a priority in the safety culture of companies. Given that the most of working accidents are arose from insecure perceptions and behaviors, it is necessary to conduct more researches in this field. The current study aimed to assess employees' perceptions of safety culture in Bahonar Copper Industries Co. using the health belief model (HBM). Materials & Methods: The current study was a descriptive cross-sectional study. All employees working in the rolling mill and steel parts manufacturing plant comprised the statistical population of the study. After preparing an appropriate questionnaire and confirming its validity and reliability, and also according to a pilot study, 215 subjects were determined for the study through statistical consultation. Gathered data were analyzed by SPSS software (version 16). Findings: In this study, most of the employees had under diploma degrees (53 %) and the highest frequency of age groups was 34 to 40 years (57 people). 9.81 percent of them were married and 43.7 percent had over 16 years work experience. In this study, 79.5 % of the employees had a moderate perception and 10.3 % of them had a good perception toward the safety at work. Most participants were from the rolling mill and copper tube plant (28.4 %). Also, 5.39% of employees had a history of job-related accidents. In this study, 54.9 % of participants were averagely satisfied with their jobs. Finally, chi-square test showed a significant association between HBM constructs such as perceived susceptibility and occupation, work unit or work injury. Discussion &Conclusion: The employees had a relatively good attitude toward the safety at workplace. Since workers are vulnerable employees at workplaces, execution of educational and interventional programs using health belief model or other educational models is recommended to enhance the perception of workers to adhere to safety principals at workplaces