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2 and 114.4 vs. 106.7 and 104.8 μg/dl; P less then 0.001, respectively). Moreover, monthly serum zinc concentration of all subjects differed, with the lowest and highest levels found in October and August (98.5 vs. 122.7; P less then 0.001). Conclusion This study demonstrates the difference in serum zinc concentration in Iranian adults of both genders in different months and seasons during the year. Copyright© Iranian Public Health Association & Tehran University of Medical Sciences.Background Despite constant decrease in rate of neonatal mortality, the rate is still higher than that of other under-five children. One of the first steps towards reduction of neonatal mortality is to identify its determinants using health production function. The aim of the present study was to estimate neonatal health production function for Iran. Methods In this cross-sectional study, Iranian Multiple Indicator Demographic and Health Survey (Ir-MIDHS) 2010 was used. Four categories of socioeconomic, mother, neonatal demographic and healthcare system factors were entered into the Binomial Logistic Regression model to estimate neonate health production function. selleck chemicals llc Households' economic status was constructed using principal component analysis. Results History of abortion/stillbirth had the highest significant positive impact on odds of neonatal mortality (odds ratio=1.98; 95 % CI=1.55-2.75), indicating that neonates of mothers with such a history had 1.98 times higher chance of death compared to other neonates. Moreover, odds ratio of neonatal death for the poorest quintiles was 1.70 (95 % CI=1.08-2.74), indicating that by moving from the poorest quintile to the richest one, the odds of being alive for neonates increased up to 70%. However, skilled birth attendant decreased the chance of death up to 58% (odds ratio=0.58; 95 % CI=0.36-0.93). Conclusion Considering the most significant inputs of neonatal health production function in Iran, improvement of economic status of households, provision of appropriate care services for mothers, and improvement of delivery care provided by trained personnel, could be priorities for health policymakers to act and reduce neonatal mortality in Iran. Copyright© Iranian Public Health Association & Tehran University of Medical Sciences.Background We aimed to investigate the reliability and validity of the Iranian version of the short form social well-being scale. Methods After linguistic validation, the Iranian version of social well-being scale was completed by 715 participants, aged ≥18 yr between Jan and Sep 2015. Concurrent validity was examined by calculating the Pearson's correlation coefficient between the dimensions of social well-being and social support. Internal consistency, Cronbach's alpha coefficient, confirmatory and explanatory factor analyses were also examined. Results The internal consistency as measured by Cronbach's alpha coefficients was 0.72 for total score. No ceiling and floor effect was found in total score or any of the subscales. The concurrent correlation coefficients between social well-being and social support ranged from good to excellent agreement. Exploratory factor analysis supported mainly comparable results with the original US English dialect version. The results of the confirmatory factor analysis for 5-factor models indicated acceptable fit for the proposed research models. Conclusion The findings support the initial reliability and validity of the Iranian version of the social well-being scale in the research and community settings in Iran. Copyright© Iranian Public Health Association & Tehran University of Medical Sciences.Background Suicide/suicide attempt, as a major public health problem, has been included among anti-social behaviors. We aimed to investigate the epidemiology of suicide and some associated individual, family, and social factors. Methods A historical cohort study was conducted among all cases (748 persons) reports related to suicide/suicide attempt that register in hospital reporting system and health care center in Gonabad and Bajestan, Iran, from 2009 to 2014. The required data were extracted through a checklist. Descriptive (mean and standard deviation) and analytic statistics (t-test, Chi-square, and logistic regression) applied to analyzed data. All data were analyzed using SPSS software. Results Of the 748 reported suicide attempters, 17 cases (2.3%) had completed suicide. The annual average incidence rate of suicide was 110.03 per 100,000 populations. The mean age of suicide attempt had significantly decreased during the time (P=0.007). Furthermore, a significant association was observed between outcome of suicide and place of residence (P=0.019), history of physical illnesses (P=0.002), and method of suicide (P=0.001). Conclusion Due to trend of age among suicide attempters, considering intervention programs of suicide prevention for school pupils and university students especially individuals residing in rural areas, as well as individuals suffering from physical illness would be effective to reduce the rate of suicide. Copyright© Iranian Public Health Association & Tehran University of Medical Sciences.Background To investigate the treatment efficacy of radioactive iodine therapy on patients after total thyroidectomy and its effect on the quality of life. Methods A retrospective analysis of clinical data of 120 thyroid cancer patients admitted to Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, China from February 2014 to February 2017 was performed. According to different treatment methods, they were divided into observation group of 62 cases and control group of 58 cases. Both groups were treated with total thyroidectomy. The control group was treated with anti-infection and prevention of complications after operation, the observation group with radioactive iodine therapy. Treatment efficacy, quality of life score, recurrent laryngeal nerve injury and postoperative survival rate were compared between the two groups. Results The total effective rate of treatment in the test group was 98.39%, significantly higher than 72.41% in the control group, with a statistically significant difference (P less then 0.