Development and validation of a questionnaire for safety behavior assessment

Safety behavior is a type of job behavior that promotes the health and safety of workers, clients, public and environment. One of the methods for assessment of safety behavior is the use of questionnaire but So far not provided a validated questionnaire in Iran for assessment of safety behavior. The present study was designed to develop a measurement tool for assessment of safety behavior.
According to the previous studies, a draft of questionnaire with 25 questions was created. Face validity was done based on expert opinion and necessity, relevance, simplicity and clarity of the questions was evaluated. To assess the content validity, content validity ratio and content validity index of the questionnaire was calculated. Reliability of the questionnaire was tested with test-retest, Interclass correlation coefficient and cronbach's alpha coefficient. Provided questionnaire tested on 315 employees of Qom province industries. Data analysis was performed using SPSS20.
Other than one question, for the rest of the questions CVR value was greater than zero. Mean of agreement ratio for relevance, simplicity and clarity of questionnaire was 0.91 and for necessity was 0.95. ICC index was equal to 0.752(P=0.009) and Pearson correlation coefficient between test and retest result was 0.619(P=0.02). In scout study Cronbach's alpha coefficient was 0.766 and in the main study was 0.902. Mean score of Safety behavior was 3.78±0.66 and Safety behavior score has a significance inverse relationship with accident (P-value The safety behavior questionnaire design and validate with 12 questions in Safety compliance and 11 questions in Safety participation. Provided questioner has high reliability and validity and it is a local tool for assessment of safety behavior with suitable sensitivity and accuracy.