Document Type : Original Article


Assistant Professor, Department of Psychology, Faculty of Education and Psychology, Alzahra University, Tehran, Iran. E-mail:



   The Mental Health Inventory-5 (MHI-5) is a valid and reliable brief instrument for assessing mental health internationally. This study aimed to investigate the validity of the Persian version of the MHI-5 among the Iranian adult population. Data were collected electronically from December 2020 to June 2020 using social networks (Google form). The questionnaire gathered information on demographics, the Generalized Anxiety Disorder-7 (GAD-7), Patient Health Questionnaire-9 (PHQ-9), Mental Health Inventory-28 (MHI-28), and Mental Health Inventory-5 (MHI-5). Content validity was assessed, and internal consistency was evaluated using Cronbach's alpha. Descriptive and correlational analyses were conducted on 1208 participants with a mean age of 32.80±12.37 years, of which 29.3% were male. The internal consistency for the Persian MHI-5 scale was 0.85 and Cronbach's alpha 0.78. Item-total correlations ranged from 0.49 to 0.52. The mean total score was 15.25±2.50. Negative statistically significant correlations were found between the Persian MHI-5 and anxiety/depression scores (p<0.05), demonstrating valid criterion validity. The findings support the reliability and validity of the Persian MHI-5 for screening mental illness among the general Iranian population. A short inventory such as the MHI-5 can effectively aid healthcare systems in mental health screening.


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