Abstract
Symptoms of ADHD are highly common in undiagnosed adults – A cross-sectional study in a large population of Danes
Highlights
Attention-Deficit Hyperactivity Disorder (ADHD), with the core symptoms in attention, hyperactivity, and impulsiveness, is the most common psychiatric disorder among children and adolescents
The prevalence of Attention-Deficit/Hyperactivity Disorder (ADHD) in the study populationwas 1.1-2.7% depending on the applied ADHD Self-Report Scale V1.1 (ASRS) scoringmethod
The prevalence of self-reported ADHD varied by the applied scoring method of ASRS
Summary
Attention-Deficit Hyperactivity Disorder (ADHD), with the core symptoms in attention, hyperactivity, and impulsiveness, is the most common psychiatric disorder among children and adolescents. The worldwide pooled prevalence of ADHD among children and adolescents has been estimated to be 5.3% [9] whilemore recent meta-analyses have suggested a slightly higher prevalence (~7%) [10,11]. The average prevalence of ADHD in the general adult population is between 1.1-5% [1214] but these estimates might be grossly underestimated and suffer from ascertainment biases related to the high number of unrecognizedand inaccurately diagnosed adults [12,15,16,17]. None-the-less, both symptoms related to inattention and hyperactivity have been shown to be rather common (~60%) in the general population which underline that ADHD symptoms form a continuum [18]
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