Antisocial Personality Disorder in Older adults / Seniors

Key things to know What the evidence shows
How common is it? U.S. nationally representative data: ASPD falls to 0.78% at age ≥65
Is it more common among older adults / seniors? Lower than younger adulthood
Are older adults / seniors at higher risk? #N/A
How much higher is the risk? Peak younger-adult ASPD 3.91% → 0.78% ≥65 in U.S. analysis
How often can it be missed? Very High
Does it show up differently among older adults / seniors? Strong Yes
How might it look different? Overt antisocial behaviour often diminishes; longstanding interpersonal exploitation, irresponsibility, substance problems or legal history may remain
What commonly occurs alongside it? Substance-use disorders; MDD; mania; GAD; medical illness
What can it be confused with? Dementia/FTD; mania; substance effects; longstanding ASPD
Common screening tool PDQ-4 ASPD scale → structured personality-disorder interview
Separate screening tool for older adults / seniors None
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