Prevalence of attention deficit hyperactivity disorder in an adult mental health service in the Republic of Ireland.

Objective: Attention Deficit Hyperactivity Disorder (ADHD) is well recognised in childhood. However, recognition that it commonly persists into adulthood is relatively recent This study is the 2nd phase of a two-phase epidemiological investigation of the prevalence of adult ADHD in outpatients in Ireland.

Method: In phase-1, 634 participants were screened with Adult ADHD Self-Report Scale (ASRS) and Wender Utah Rating Scale (WURS).