ADHDgene Database
  • Published Variant
  • Published Gene: 359
  • Published Region: 128
  • Pathway by PBA: 8
  • Study: 361

Study Report

Basic Info
Reference Todd RD, 200516178930
Citation Todd R. D., Huang H., Smalley S. L., Nelson S. F., Willcutt E. G., Pennington B. F., Smith S. D., Faraone S. V. and Neuman R. J. (2005) "Collaborative analysis of DRD4 and DAT genotypes in population-defined ADHD subtypes." J Child Psychol Psychiatry, 46(10): 1067-73.
Study Design family-based
Study Type Candidate-gene association study
Sample Size 2,090 offspring and both biological parents
Predominant Ethnicity Caucasian
Population USA
Gender no ADHD DSM-IV diagnosis: 56.1% male, 43.9% female; inattentive subtype: 75.9% male, 24.1% female; hyperactive subtype: 74.1% male, 25.9% female; combined subtype: 79.9% male, 20.1% female
Age Group Children/Adolescents : average age: 9-14 years

Detail Info

Other variant reported by this study (count: 2)

Genes reported by this study (count: 2)