evaluation of knowledge, attitude and behavior of workers towards occupational health and safety

background: studies show that about 90% of accidents occur because of unsafe behavior and human errors. even if workers do not have the right knowledge, attitude and behavior toward safety measures in a safe workplace, all efforts for an accident-free workplace will be in vain. this study aims to determine the level of knowledge, attitude and behavior of workers toward occupational health and safety. methods: this descriptive cross-sectional study was carried out on workers in mahshahr razy petrochemical complexm ahwaz, iran. a sample size of 210 was randomly selected. data collection tool was a researcher-made questionnaire. ques­tionnaire's validity was gained by content-validity and its reliability was validated by kronbach's alpha. data was analyzed using spss 13. results: mean age of workers was 31.1 years. the mean of their knowledge, attitude and behavior was reported 26.02, 153.18 and 36, respectively. 52.9% of workers had low, 36.7% moderate and 10.5% high level of knowledge. in addition, 75.7% of the subjects had a positive attitude towards occupational health and safety; 30% of workers had low safety behavior and 70% had safe behavior. the mean of knowledge grade shows a significant relationship with education level. a same relationship was reported for the mean of attitudes and behavior with age. conclusion: managers should design and implement educational interventions to promote knowledge, attitude and safe behaviors of workers.