Abstract
Background: Mental health has long had a special place in the organization and has been considered as one of the most important factors determining the level of organizational productivity and quality of working life of employees. Organizational support, workaholism, and organizational citizenship behavior are other important factors considered in occupations. Therefore, this study aimed to predict the health and mental health of the staff of an industrial complex based on perceived organizational support, workaholism, and organizational citizenship behavior.
Methods: This descriptive-analytic study was conducted on 16000 employees in a large industrial complex in 2017, 386 of whom were selected by available sampling method. The 34000 standard questionnaire was used to measure the dependent and independent variables and SPSS software for data analysis. The data were analyzed using descriptive statistics (mean and standard deviation), Pearson correlation test, and multiple linear regression analysis.
Results: The results of Pearson correlation showed that the relationship between mental health and workaholism (r = -0.05, p = 0.57) which did not indicate a significant relationship, but the mental health and health of the staff had a direct and significant relationship with perceived organizational support.(R = 0/372, p <0.001). There was also a significant relationship between health and psychological health with organizational citizenship behaviors of the staff (R= 0.207, p = 0.008). The results of multiple linear regression showed that organizational citizenship behavior (B = 0.345) and perceived organizational support (B = 0.291) had the ability to predict mental health; however, workaholism in this study did not have this ability.
 
Conclusion: Considering the ability of citizenship behavior and organizational support in predicting mental health, measures to increase the staff’s willingness to perform voluntary (citizenship) organizational behaviors as well as the maximum organizational support, can be used to reduce the mental health reduction of the staff and provide factors to improve it, leading to increased productivity.