PREVALENCE OF HYPERKINETIC DISORDER AMONG PRESCHOOL AND JUNIOR SCHOOL CHILDREN IN THE CITY OF MOSCOW
This article contains the materials concerning an epidemiological survey among preschool children in kindergartens and junior school children, with the goal to investigate the prevalence of hyperkinetic disorders among them. The authors report the following findings: 9.7% of the children investigated have hyperkinetic disorders without sub-threshold conditions while 13.7% have hyperkinetic disorders with sub-threshold conditions. The male/female ratio is 3.4:1. Prevalence of hyperactive attention-deficit disorder, which is close diagnostically to ADHD, is 3.7% for children without sub-threshold conditions and 6.2% for those with sub-threshold conditions