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Participant flow diagram. Data came from the National Alzheimer's Coordinating Center (NACC). Relevant psychiatric conditions used for exclusion included posttraumatic stress disorder, bipolar disorder, schizophrenia, obsessive‐compulsive disorder, remote anxiety, or depression, Down syndrome, Huntington disease, and Parkinson's disease. NPI‐Q, Neuropsychiatric Inventory Questionnaire; MBI, mild behavioral impairment.
