Prevalence and associated factors of mental health distress among hospitalized patients in general hospitals: a multi-center cross-sectional study in Iran.

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Understanding the prevalence of mental distress in hospitalized patients and identifying associated factors can help reduce the burden of mental disorders on their medical management and improve their quality of life. This study aimed to examine the prevalence of mental distress among hospitalized patients in general hospitals and assess its associated factors. In this cross-sectional study, we evaluated the mental health status of inpatients in seven cities in Iran, using the General Health Questionnaire-12 (GHQ-12), with a total GHQ-12 score ≥ 4 or higher categorized as "mentally distressed." Statistical analyses were conducted using independent t-tests, one-way analysis of variance, and cross-tabulations. A total of 524 patients (347 females) were assessed, with 208 (38.7%) being classified as mentally distressed. The prevalence of mental distress was significantly higher among males (52.0%) compared to females (34.0%) (p = 0.002). There were no significant differences in GHQ-12 scores among different age groups (p > 0.05). Significant differences were observed in mental health status based on job status, with retired (64.7%) and laborer (22.8%) patients showing the highest and lowest rates of mental distress, respectively (p < 0.001). Additionally, mental distress prevalence varied significantly across hospital wards, with internal medicine (47.6%) and obstetrics and gynecology (28.3%) having the highest and lowest prevalence, respectively (p = 0.004). A considerable proportion of patients hospitalized for medical reasons also experience mental distress. Various demographic factors are associated with their mental health status. This highlights the need for integrated mental health assessments alongside medical treatment to alleviate the burden of mental disorders.