<unk>  persists into adulthood in about 30–50% of cases. Those affected are likely to develop coping mechanisms as they mature, thus compensating to some extent for their previous symptoms. Children with<unk>  have a higher risk of unintentional injuries. Effects of medication on functional impairment and quality of life (e.g. reduced risk of accidents) have been found across multiple domains. Rates of smoking among those with<unk>  are higher than in the general population at about 40%. Individuals with<unk>  are significantly overrepresented in prison populations. Although there is no generally accepted estimate of<unk>  prevalence among inmates, a 2015 meta-analysis estimated a prevalence of 25.5%, and a larger 2018 meta-analysis estimated the frequency to be 26.2%.<unk>  is more common among longer-term inmates; a 2010 study at Norrtälje Prison, a high-security prison in Sweden, found an estimated<unk>  prevalence of 40%.
Attention deficit hyperactivity disorder
Conduct disorder
Adult attention deficit hyperactivity disorder
Bipolar disorder
Autism spectrum
Tourette syndrome
Oppositional defiant disorder
Frontal lobe disorder