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Objective: There has been little effort to conduct systematic reviews or meta-analyses of the available literature to find global prevalence rates of conduct disorder and analyze the sources of heterogeneity. Method: We searched multiple databases, including Web of Science, PubMed, Scopus, and Google Scholar to identify cross-sectional studies with random or nonrandom sampling to assess the global prevalence of conduct disorder in children and adolescents aged under 18 in the general or school-based populations. Quality assessment and data extraction were independently carried out by two authors. Subgroup analysis was used to find the potential sources of heterogeneity. Results: We reached 50 studies, incorporating 186,056 children and adolescents from 35 countries. The total prevalence of conduct disorder was 8% (CI: 7-9%; I2: 99.77%), including 7% in females (CI: 4-9%; I2: 99.56%) and 11% in males (CI: 7-15%; I2: 99.74%). The results of subgroup analysis showed that total heterogeneity could be explained by measurement tools. When diagnostic interviews such as the Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children--Present and Lifetime Version (K-SADS-PL) and Development and Well-Being Assessment (DAWBA) were employed, the pooled prevalence rates for conduct disorder were 0.4% and 0.7%, respectively, and heterogeneity decreased. However, the use of the screening tools such as the Strengths and Difficulties Questionnaire (SDQ)-parent or teacher report and SDQ-self report increased the pooled prevalence of conduct disorder to 10% and 16% respectively. Conclusion: The prevalence of conduct disorder in the epidemiological studies should be estimated by employing the diagnostic interviews to reach accurately assessments. [ABSTRACT FROM AUTHOR]

Objective: Studies conducted on severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS), and COVID-19 epidemics have shown PTSD can occur during and after infectious diseases. However, more studies are needed to explore PTSD during and after COVID-19 outbreak. The objective of this study is to provide a protocol of systematic review and meta-analysis to report the global prevalence of PTSD during and after coronavirus pandemics among general population, health care workers, survivors, or patients with coronaviruses. Method: We include all studies that reported the prevalence of PTSD during and after coronavirus pandemics and search databases, including Web of Science, PubMed, Scopus, Embase, and Google Scholar from first of November 2002 to May 18, 2020. Two authors independently use relevant checklists to quality assessment of the included studies and extract data. We use the graphical methods and fixed or random effect models to aggregate prevalence estimates. Also, we will assess heterogeneity between the included studies using the I2 heterogeneity statistic and use subgroup and sensitivity analysis to assess the sources of heterogeneity. Discussion: We infer that PTSD is a common experience during and after infectious disease pandemics, especially COVID-19. The findings of this study can be used by health policymakers and other stakeholders and will provide a path to future studies. [ABSTRACT FROM AUTHOR]

Objective: This study investigated the prevalence of feeding and eating disorders, and identified their correlates and comorbidities among children and adolescents. Method: We used the nationally representative sample of the Iranian Children and Adolescents' Psychiatric disorders (IRCAP) survey, with 30,532 participants randomly selected by a multistage cluster sampling method. We employed the kiddie schedule for affective disorders and schizophrenia‐present and lifetime version (K‐SADS‐PL) semi‐structured face‐to‐face interview to screen for any psychiatric disorders, including feeding and eating disorders, and associated factors. We used multivariate binary logistic regression to analyze the data. Results: Valid data from 27,111 participants were analyzed. The total prevalence of feeding and eating disorders among children and adolescents was 0.89 (0.81–1.10). In all types of feeding and eating disorders, the adjusted odds ratio was higher among girls (except binge‐eating disorder) and older adolescents but was lower among rural residents. The most common psychiatric comorbidities observed in children and adolescents with feeding and eating disorders were obsessive–compulsive disorder (20.2%), agoraphobia (20.2%), depressive disorder (16.4%), social phobia (10.1%), oppositional defiant disorder (10.1%), generalized anxiety disorder (9.4%), attention deficit hyperactivity disorder (7.5%), and conduct disorder (5.7%), which were significantly more common compared to their peers without feeding and eating disorders. Discussion: Older age, female gender and living in an urban area are predisposing factors in feeding and eating disorders (in binge‐eating disorder, the male gender is a positive correlate). We suggest that future works pay attention to the role of gender, comorbidities and predisposing factors. [ABSTRACT FROM AUTHOR]

Objective: In Western countries, the prevalence of childhood trauma (CT) ranges from 15 to 25%. CT might be indirectly associated with lower parental socioeconomic status and educational attainments. The aims of this cross-sectional study were fourfold: to assess prevalence of CT in a large sample of Iranian children; to compare the Iranian prevalence rates with those of Western countries; to explore gender-specific patterns; and to explore possible socioeconomic predictors. Methods: The sample comprised 608 children (mean age 11.49 years, 51.5% females). All completed the Farsi version of the Trauma Symptoms Checklist for Children. Additionally, parents reported on their current employment status and highest educational level. Results: Trauma symptoms were reported by 20 of 295 boys and 23 of 313 girls. The overall prevalence was 7.1%. Child-reported trauma symptoms were not associated with parents' socioeconomic status or highest educational level. Compared to prevalence findings from U.S. national surveys (ranging from 15-25% of children and adolescents), the prevalence among 11- and 12-year-olds in the present study was considerably lower. Conclusions: The overall prevalence of reported trauma symptoms among a large sample of Iranian children was unrelated to parents' socioeconomic status, and was lower than that reported in U.S. surveys. [ABSTRACT FROM AUTHOR]

Objective: Several epidemiological studies have been done on conduct disorder in the Middle East, but no systematic review has been conducted on this topic. Thus, we aimed at investigating the prevalence of conduct disorder in the Middle East in this systematic review of the literature.Methods: We searched all the cross-sectional studies in the scientific databases of PubMed, Scopus, Google Scholar, Index Medicus for the Eastern Mediterranean Region, Islamic World Science Citation Center, and Grey Literature including conference proceedings, and hand searching of key journals from 1995 to the end of 2014. Included studies described the prevalence of conduct disorder prior to age of 18, with any type of random or non-random sampling for at least one gender in the general or school-based populations who resided in Middle Eastern countries. Two reviewers assessed the quality of the included studies independently and extracted the relevant data.Results: Twenty-four studies were included in this review. Sample sizes varied from 136 to 9636 with the age range of 6-18 years. These studies were conducted in Iran, Turkey, Israel, Cyprus, Egypt, United Arab Emirates, Iraq, Afghanistan, Yemen, and Palestine. Strengths and Difficulties Questionnaire (SDQ) was used in most of the included studies. The prevalence of conduct disorder was reported from 2.4% by diagnostic criteria taken from DSM-IV-TR in Iraq to 32.9% by SDQ in Iran; the prevalence rates ranged from 1 to 29.9% for females and from 3.3 to 34.6% for males. However, the prevalence of conduct disorder was reported 0.34% by the diagnostic instrument of Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime in Iranian children and adolescents.Conclusions: The prevalence of conduct disorder in this study was higher than the worldwide prevalence, thus, it seems essential to design preventive and treatment programs for children and adolescents with conduct disorder. [ABSTRACT FROM AUTHOR]

Objective: We aimed to conduct a review to investigate the prevalence of anxiety disorders among Iranian children and adolescents. Method: We systematically reviewed the literature up to June 2014. We searched three Persian databases (Magiran, IranMedex and SID) and three English databases: PubMed, Scopus and PsycINFO. All original studies that investigated the current prevalence of anxiety in a sample of Iranian children and adolescents were entered into the study. All studies conducted on special samples or in special settings were excluded. By searching English databases, we obtained 124 original studies. After removing duplicate papers, 120 articles remained. In the next step, we screened the articles based on their title. In sum, 95 Persian and English articles had relevant titles. After screening based on the abstract and full text, 26 studies remained. After screening based on the full text, all selected studies were qualitatively assessed by two evaluators separately. Result: Twenty five studies were eligible and reported different types of anxiety disorders (i.e., generalized anxiety, separation anxiety, obsessive- compulsive disorder, phobias and panic disorder). The samples varied from 81 to 2996 among studies and their age range was 5 to 18 years. These studies were conducted in different cities of Iran. SCL-90 is a frequently used questionnaire. All anxiety disorders were mostly investigated with the prevalence rates ranging from 6.8% in Saravan to 85% in Bandar Abbas. OCD was the second common study with prevalence rates ranging from 1% in Tabriz to 11.9% in Gorgan . Conclusion: Our findings revealed considerable amount of anxiety disorder among Iranian children and adolescents. Given the fact that anxiety disorder has negative effects on the well-being and function of individuals and can lead to severe problems, this disorder should be considered in mental health programs designed for children and adolescents. [ABSTRACT FROM AUTHOR]

Objective: Autistic disorder, Asperger syndrome, and PDD-Not Otherwise Specified are subsets of autism spectrum disorders (ASDs), which are characterized by impairments in social communication and stereotyped behavior. This article reviews the prevalence, etiology, diagnosis, and treatment of ASDs in Iran. Materials & Methods: We searched PubMed, ISI Web of Science, and 4 Iranian databases (IranPsych, IranMedex, Irandoc and Scientific Information Database (SID) to find Iranian studies on ASDs. The results of 39 investigations, comprising original, review and editorial articles; proceedings; and available dissertations were categorized by prevalence, etiology, diagnosis, and treatment. Conclusion: Several preliminary investigations have been done to evaluate the prevalence of ASDs, and risk factors and effective variables have been studied with regard to etiology. The diagnostic evaluation of ASDs, especially based on EEG, and several pharmacological and behavioral interventions for ASD have been implemented in Iran. Mental health, stress levels, and personality characteristics were examined in the parents of children with ASDs, which were focused on mothers. [ABSTRACT FROM AUTHOR]

Background: The global burden of conduct disorder is a major public health concern. Although there are different reports on the prevalence of conduct disorder in different Middle Eastern countries, to date, no research has reviewed them. Therefore, we aimed to conduct a systematic review and meta-analysis on the literature and present the prevalence of conduct disorder among children and adolescents in Middle Eastern countries. Methods: Those cross-sectional studies with any type of random or non-random sampling, which described the prevalence of conduct disorder prior to age of 18, for at least one gender in the general or school-based populations who resided in Middle Eastern countries were included in this review. The scientific databases of PubMed, Scopus, Google Scholar, Index Medicus for the Eastern Mediterranean Region (IMEMR), Islamic World Science Citation Center (ISC), and Grey Literature including conference proceedings, and hand searching of key journals were searched from 1995 to the end of 2014. Two reviewers assessed the quality of the included studies independently and extracted the relevant data. Discussion: This review provided a picture of different frequencies of conduct disorder in Middle Eastern countries and analyzed the sources of heterogeneity. Systematic Review Registration: PROSPERO CRD42014014996 [ABSTRACT FROM AUTHOR]