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Abstract Background Socioeconomic inequality in mental health in Iran is poorly understood. This study aimed to assess socioeconomic inequality in poor mental health among Iranian adults. Methods The study used the baseline data of PERSIAN cohort study including 131,813 participants from 17 geographically distinct areas of Iran. The Erreygers Concentration index (E) was used to quantify the socioeconomic inequalities in poor mental health. Moreover, we decomposed the E to identify factors contributing to the observed socioeconomic inequality in poor mental health in Iran. Results The estimated E for poor mental health was − 0.012 (95% CI: − 0.0144, − 0.0089), indicating slightly higher concentration of mental health problem among socioeconomically disadvantaged adults in Iran. Socioeconomic inequality in poor mental health was mainly explained by gender (19.93%) and age (12.70%). Region, SES itself, and physical activity were other important factors that contributed to the concentration of poor mental health among adults with low socioeconomic status. Conclusion There exists nearly equitable distribution in poor mental health among Iranian adults, but with important variations by gender, SES, and geography. These results suggested that interventional programs in Iran should focus on should focus more on socioeconomically disadvantaged people as a whole, with particular attention to the needs of women and those living in more socially disadvantaged regions.

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Objective: To evaluate the effect of amniotic membrane (AM) at split-thickness skin graft (STSG) donor sites., Methods: This double-blind randomized controlled trial was conducted on 35 eligible participants referred to the burn unit of Vasei Hospital of Sabzevar, Iran, during 2017 and 2018. Each STSG donor site was divided into two sides, and the respective halves were covered with either a dried AM or petrolatum gauze (control). Outcomes were evaluated on postprocedure days 10, 20, and 30 using the Vancouver Scar Scale., Results: The mean age of the patients was 39.4 ± 13.97 years, and 62.8% (n = 22) were male. There was no statistically significant difference in wound healing rate on day 10 (P = .261), 20 (P = .214), or 30 (P = .187) between groups. The intervention group had significantly better epithelialization than the control group on day 10 (investigator 1, 1.62 ± 0.59 vs 1.40 ± 0.88 [P = .009); investigator 2, 1.22 ± 0.84 vs 0.91 ± 0.85 [P = .003]), as well as pain reduction (P < .001 during the follow-up period). However, there was no statistically significant difference between groups in terms of pigmentation or vascularization (P > .05)., Conclusions: Findings suggest that the use of AM is not superior to petrolatum gauze in terms of STSG healing rate; however, AM achieved better pain reduction and epithelialization on day 10.