Quantitative model of safety working behaviors management staff on construction projects based on the theory of planned behavior : The case of study twin towers telecommunication of company of Tehran

Construction projects are one of the most important economic sectors in the world; incidents in these projects are commonplace in all countries of the world, as well as the high incidence of incidents in this industry. The rate of incidents in construction projects in the world is higher than the average rate of incidents in other industries. The method of this research is descriptive correlational survey and the statistical population of the research is the employees of the construction workshop of the Central twin towers telecommunication of company of Tehran. The data gathering tool was a researcher made questionnaire that was analyzed using LISREL and SPSS23 software. In order to determine the validity of the confirmatory factor analysis, a Cronbach's alpha was used to assess the reliability, and a structural equation model was used to test the research hypotheses.

The results showed that the effect of attitude with the intensity of 0.49 and subjective norm with an intensity of 0.46 on behavioral intention was more than perceived behavioral control with a coefficient of intensity of 0.19. According to the findings of this research, to improve the safe behavior of work and health of staff, it is necessary to take corrective measures to improve the attitudes and mental norms of employees on the agenda.