RESUMO
Introduction: Attention-Deficit Hyperactivity disorder [ADHD] is one of the most common disorders of childhood and if not treated can produce server complications such as decreased educational function and self esteem, disrupted peer relationship, anxiety, depression and substance abuse. According to its importance, the study has planned to evaluate the prevalence of ADHD in Young children of preschool age in Mashhad kindergartens and evaluation of the relevance to birth season, rank of birth, type of delivery and child gender
Material and Methods: Conner's 10 steps questionnaire with the cut offline 15 was chosen as the instrument. 34 kindergartens [20% of all] were selected randomly and from 1275 children, 1089 entered the study. SPSS software was used for data analysis
Results: In 1089 children, 133 gained the least 15 score needed for the study and the prevalence was obtained as 12.3 +/- 2.12 percent [P=0.05]. Prevalence was 18.1% in boys and 6.7% among girls
There was no relationship between ADHD and the birth season. There was also no relationship between the type of delivery and birth rank with the ADHD prevalence. ADHD was significantly more prevalent in boys than girls [M/F=3/1]
Conclusion: ADHD total prevalence rate was 2.3 +/- 2.12 which has a significant statistical correlation with gender of the cases only