Objective: Paying more attention to human factors is undoubtedly one of the most important organizational principles. Job Satisfaction is one of the most important issues related to human resources in organizations and job dissatisfaction can decrease the productivity of the employees. In this regard, their occupational health is regarded as the science of workforce health in any organization. The purpose of this study was to investigate the status of Occupational Health Management and job satisfaction and the relationship between these two factors in the staff of rehabilitation centers in Tehran.
Materials & Methods: This descriptive correlation study was conducted on 1403 employees of 28 rehabilitation centers in Tehran during the second half of 2017. Sampling was done through the census. Research data were collected using a questionnaire consisting of two researcher-made questionnaires of occupational safety and health status and standard job satisfaction questionnaire. At first, the instrument used to assess occupational safety and health status for rehabilitation centers was developed and then, with the opinion of academic experts, the validity of the instrument was confirmed using the formal credibility and content validity index and the necessary corrections were made. In addition, 5-10 staff working in rehabilitation centers were asked about the content, clarity, and simplicity of the questionnaire terms. Content Validity Index (CVI) and Content Validity Coefficient (CVC) were 0.68, 0.83, 0.69, and 0.83, respectively, for Occupational Health Management and job satisfaction. Instrument reliability was also assessed using the Cronbach's alpha coefficient, which was 0.872. Finally, after verifying the validity and reliability of the instrument, a questionnaire was used to collect the research data. Shapiro-Wilk, Wilcoxon, and Spearman correlation tests were used to analyze the findings. Data analysis using Version 22.0. Armonk; NY: IBM Corp; SPSS V. 20. 
Results: The participants in this study included 657(46.8%) male and 746(53.2%) women. The results showed that the average score of Occupational Health Management variables and its sub-scales was higher than the mean Likert scale. Job satisfaction variables and its subscales, other than the pay-as-you-go variable, were higher than the mean Likert score. The variables in "Occupational Health Management", "Public Safety", "Fire Extinguishment and Crisis", and "Ergonomics and Psychological Factors" were 0.65, 0.57, 0.60, and 0.79, respectively. Job satisfaction variables for job satisfaction, job, supervisor, coworker, and employee promotion were respectively 0.09%, 0.4%, 0.25%, 0.6%, and 0.83% of the obtained variable. The regression coefficient between the two variables of Occupational Health Management and job satisfaction was 0.267.
Conclusion: According to the evaluation of the prepared and completed questionnaires, the results of this study showed that the level of job satisfaction and occupational health management in the studied centers is relatively favorable. Also, the results of this study confirmed that there was a significant positive correlation between the Occupational Health Management and the staff’s job satisfaction working in rehabilitation centers (P<0.001). It was argued that implementation of programs the extent to which occupational safety and health management system such as HSE in rehabilitation centers can affect the employee’s job satisfaction. Therefore, it is necessary to provide more job satisfaction to the personnel of the centers by planning and following the necessary improvements to improve the level of health and safety of the occupational health centers. This will be important in the quality of the provided services.