en Biostatistics and Epidemiology Biostatistics and Epidemiology Original Research Original Research <p dir="ltr" style="text-align: justify"><strong>Background: </strong>Mental disorder is one of the most important diseases of which is predicted to increase from 10.5% to 15% until 2020. This study aimed to determine economic factors influencing mental health using multiple regression models in Ilam province in 2013.</p> <p dir="ltr" style="text-align: justify"><strong>Methods</strong>: In this cross sectional study, 903 families from different cities of Ilam were selected using multistage cluster sampling. The families were selected from each city separately and each head of family was interviewed. The instruments for data collection included general and economic questionnaires and the General Health Questionnaire (GHQ). The data were analyzed using SPSS software version 21, Eviews, t-test, ANOVA, Pearson&#39s correlation coefficient, single and multiple linear regressions.</p> <p dir="ltr" style="text-align: justify"><strong>Results</strong>: The mean ± SD mental health score in this study was 28.5±12.10. The mental health increased for 4.26 units per each unit of life satisfaction increase, decreased for 4.09 units per each unit of gender growth, increased for 2.94 units per each unit of increase in economic status and had a significant correlation with all the three components (p<0.001).</p> <p dir="ltr" style="text-align: justify"><strong>Conclusion</strong>: In order to improve people&#39s mental health, it is recommended that healthcare officials may more attention to this matter through implementation of programs such as life skills’ training, stress resistance skills training, and helping individuals to be able to adapt themselves to their life environment.</p> <p></p> General health, Economic factors, Ilam. 1131 1135 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-921&slc_lang=en&sid=1 Meysam Behzadifar m_behzadifar67@yahoo.com 200319475328460019518 200319475328460019518 No Department of Epidemiology, Faculty of health, Ilam University of Medical Sciences, Ilam, Iran. Masoud Behzadifar masoudbehzadifar@gmail.com 200319475328460019519 200319475328460019519 No School of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Ali Sayehmiri 200319475328460019520 200319475328460019520 No Department of Economic, Ilam University, Ilam, Iran. Maryam Behzadifar maryambehzadifar@gmail.com 200319475328460019521 200319475328460019521 No Nutritional Health Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran. Mandana Sarokhani 200319475328460019522 200319475328460019522 No Prevention of Psychosocial injuries, Research Center, Ilam University of Medical Sciences, Ilam, Iran. Kourosh Sayehmiri sayehmiri@razi.tums.ac.ir 200319475328460019523 200319475328460019523 Yes Department of Social Medicine, Faculty of Medicine, & Prevention of Psychosocial injuries, Research Center, Ilam University of Medical Sciences, Ilam, Iran.