JBI Database of Systematic Reviews & Implementation Reports JBL000691 2013;11(3)319 - 331 Page 319 Living with symptoms of Attention Deficit-Hyperactivity Disorder (ADHD) in adulthood: a systematic review protocol of qualitative evidence Merete Bender Bjerrum 1 Palle Larsen 1 Preben Ulrich Pedersen 1 Lene Lauge Berring 2 1. Danish Centre of Systematic Reviews in Nursing: an affiliate centre of The Joanna Briggs Institute 2. Psychiatric Research Unit Sealand, Corresponding Author Preben Ulrich Pedersen Email pup@kliniskeretningslinjer.dk Review question/objective The objective of this systematic review is to identify and synthesize the best available evidence on how adults experience living with Attention Deficit-Hyperactivity Disorder (ADHD). The review questions are:  How are adults diagnosed with ADHD characterized?  What is the experience of adults living with symptoms of ADHD?  Which protective factors in the milieu do adults living with ADHD find important in order to manage daily life skills? Background Attention Deficit-Hyperactivity Disorder (ADHD) is diagnosed according to DSM-IV (Diagnostic and Statistical Manual of Mental Disorders, produced by The American Psychiatric Association) and IDC-10 (International Classification of Diseases, produced by World Health Organization, WHO) criteria that relate to four dimensions of behavior: inattentiveness, restlessness, impulsivity and hyperactivity 1 .