Late-Onset ADHD Reconsidered With Comprehensive Repeated Assessments Between Ages 10 and 25
Abstract
Objective:
Method:
Results:
Conclusions:
Method
Participants
Procedures
Measures
ADHD symptoms.
Impairment.
Substance use.
Mental disorders.
Analytic Plan
Symptom criteria.
Impairment.
Onset.
Substance use.
Other mental disorders.
Cross-situational symptoms.
Onset and chronicity.
Results
Adolescent-Onset ADHD
Result | Adolescent-Onset | Adult-Onset | ||
---|---|---|---|---|
N | % | N | % | |
Meets DSM-5 ADHD symptom criteria | 96 | 40.2 | 47 | 19.7 |
Clinically significant impairment | 32 | 13.4 | 40 | 16.7 |
Late-onset | 21 | 8.8 | 24 | 10.0 |
Not due to substance abuse | 18 | 7.5 | 10 | 4.1 |
Not attributable to other mental disorder | 13 | 5.4 | 3 | 1.3 |
Cross-situational symptoms | 6 | 2.5 | 2 | 0.8 |
Absence of subthreshold childhood symptoms (less than three childhood symptoms of inattention and hyperactivity/impulsivity) | 3 | 1.3 | 2b | 0.8 |
Symptom criteria.
Impairment.
Adolescent-onset.
Ruling out substance use.
Ruling out other disorders.
Cross-situational symptoms.
Onset and chronicity.
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Adult-Onset ADHD
Symptom criteria.
Impairment.
Adult onset.
Ruling out substance use.
Ruling out other mental disorders.
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Cross-situational symptoms.
Onset and chronicity.
Discussion
Conclusions
Footnotes
Supplementary Material
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