New estimates indicate that many children in low- and middle-income countries are at risk of developmental delay (DD). This study aimed to assess the prevalence and socioeconomic determinants of undetected DD, and mean developmental scores (MDS) in preschool-aged children in the northwest of Iran. This study was conducted on 615 children aged…

In Iran, more than 1.3 million five-year olds have been screened for autism over three academic years, with the Social Communication Questionnaire (SCQ). The Autism Diagnostic Interview-Revised (ADI-R) is used to confirm a diagnosis of typical autism. The resulting prevalence of 6.26 per 10,000 for typical autism is in line with rates for certain…

Objective: To assess the pattern of substance use disorder (SUD) in adolescents with and without history of attention-deficit/hyperactivity disorder (ADHD) using an Iranian sample in the context of a cultural background and drug availability is differing from Western countries. Method: In this case-control study, the participants were interviewed…

Objective: Because there have been a few studies on the prevalence of ADHD in Iran, assessment of its prevalence seems to have a great impact on the physicians approach toward its diagnosis and management. Method: This study listed all the schools in Mashhad and chose 12, including 24 classes and 714 students by stratified cluster sampling. A…