Background interventions c The present stu physicians and Methods: St Randomized cl were included. excluded. Results: Bas included studie approach, and Nevertheless, s Conclusion: teamwork, par interventions c interventions.

BackgroundOccupational Health and Safety Management Systems are becoming more widespread in organizations. Consequently, their effectiveness has become a core topic for researchers. This paper evaluates the performance of the Occupational Health and Safety Assessment Series 18001 specification in certified companies in Iran.MethodsThe evaluation is based on a comparison of specific criteria and indictors related to occupational health and safety management practices in three certified and three noncertified companies.ResultsFindings indicate that the performance of certified companies with respect to occupational health and safety management practices is significantly better than that of noncertified companies.ConclusionOccupational Health and Safety Assessment Series 18001-certified companies have a better level of occupational health and safety; this supports the argument that Occupational Health and Safety Management Systems play an important strategic role in health and safety in the workplace.

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The purpose in this study was to determine the levels of employees' job stress and job satisfaction in urban health centers in Hamadan, Iran, and the relationship of these levels to the organizational performance. Employees' stress levels were assessed using the Eliot Stress Questionnaire (Eliot, 1994), and job satisfaction levels were measured using the Robbins Job Satisfaction Questionnaire (Robbins, 1991). The performance of the centers was evaluated by using a series of outcome indicators. On average, the employees in all of the health centers reported a moderate level of stress. A positive correlation was found between performance and the midlevel of employees' stress was found (r = 0.69, α < 0.05).

Objective Measuring hospital efficiency is one of the way how to use resources.The optimal hospital performance is the goals of healthcare policymakers. This study aimed to the current study was conducted to evaluate the efficiency the current study was conducted to evaluate the efficiency and assess the association between hospital size and hospital area population with technical efficiency in public hospitals. Methods In this descriptive-analytical study, the statistical population consisted of 15 public hospitals in the west of Iran. First, the data envelopment analysis (DEA) method was used to evaluate technical efficiency. inputs included staff and beds, and outputs consisted of the number of surgeries, the number of patients, and the average length of stay. Then, according to the public ownership of all hospitals, their educational and therapeutic activities, as well as their size and population were considered as the environmental factor affecting efficiency. Thus, regression was applied to measure their effects on efficiency. Results The average technical efficiency of the studied hospitals, the average management efficiency, and the average efficiency of the scale were 0.935, 0.961, and 0.987, respectively. Out of the total evaluated hospitals, six and nine hospitals had an efficiency of less than one and one, respectively. Moreover, the size of the hospital and the population as the environment variable were significant in the Tobit model. Our regression demonstrated that although the size of the hospital is positively associated with its technical efficiency, the hospital population negatively affects hospital efficiency. Conclusion According to the size and area population of the hospitals, they decrease their inputs to maximize their efficacy by optimizing their surplus amounts. Tobit regression analysis concludes that hospital size and population covered by the hospital significant effect on hospitals' efficiency.