The MOTWIN aims to investigate the genetic and environmental factors contributing to ADHD. Participants were recruited from the Missouri Twin Registry in 1998, including of twins born between 1979 and 1991. The study comprises 1,630 male and female twins, with participants ranging in age from 7 to 19 years at the time of recruitment. Follow-ups are conducted periodically.
Study design
Cohort - twin
Number of participants at first data collection
1,630 (participants)
Age at first data collection
7-19 years (participants)
Participant year of birth
1979 - 1991 (participants)
Participant sex
All
Representative sample at baseline?
No
Sample features
Country
Year of first data collection
1998
Primary Institutions
Washington University in St. Louis (WashU)
Profile paper DOI
Funders
National Institutes of Health (NIH)
Ongoing?
No
Data types collected
Engagement
Keywords