2.3. Subjects and Recruitment
ADHD
MAY
A total of 235 parents of preschool-aged children with ADHD aged four to six years were enrolled in all the study centers from May 2019 to January 2021, with 140 in the intervention group and 95 in the control group. The specific inclusion criteria are described below.The intervention group entry criteria included (i) diagnosis by a child psychiatry clinical specialist according to the 