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

Study Report

Basic Info
Reference Halleland H, 200918802928
Citation Halleland H., Lundervold A. J., Halmoy A., Haavik J. and Johansson S. (2009) "Association between catechol O-methyltransferase (COMT) haplotypes and severity of hyperactivity symptoms in adults." Am J Med Genet B Neuropsychiatr Genet, 150B(3): 403-10.
Study Design case-control
Study Type Candidate-gene association study
Sample Size 435 cases and 383 controls
Predominant Ethnicity Caucasian
Population Norway
Gender 53.3% males in the ADHD group and 41.4% males in the control group
Age Group Adults : >18 years, mean age 34.4 years (SD=10.5) in the ADHD group and 27.8 years (SD=6.7) in the control group

Detail Info

SNPs reported by this study (count: 4)

Genes reported by this study (count: 1)