A study on attention deficit hyperactivity disorder(ADHD) among preschool children in Liuzhou city

Objective To study the prevalence and influencing factors of attention deficit hyperactivity disorder (ADHD) among preschool children in Liuzhou city.Methods With the method of cluster stratified random sampling, 2278 preschool children from 5 kindergartens have been surveyed using general information questionnaire and Conners' Parent Rating Scale (CPRS).Results A total of 2128 valid questionnaires were collected, and 132 preschool children were screening e with ADHD. The positive rate of ADHD screening in preschool children was 6.20%, and the ratio of boys to girls is 3.1 to 1 (χ²= 33.723, P=0.000). The screening positive rate increased with age. There were no significant differences among different ethnic groups (χ²= 7.541, P=0.346). The results of regression analysis showed Gender (female) was a protective factor of ADHD (OR=0.31). Mother with pregnancy complication r (OR=1. 29), fetal distress and neonatal asphyxia (OR=2. 01) were the risk factors of ADHD among preschool children.Conclusion The occurrence of ADHD is related to the sex of children, whether the mother has complications during pregnancy and neonatal asphyxia or fetal distress. The ADHD of preschool children can not be ignored, which should be paid attention to by parents and doctors and nurses.