Abstract
Background: Midlife cigarette smoking is associated with increased risk for both midlife neuropsychiatric symptoms and development of dementia later in life. Objective: This study was designed to extend knowledge of these relationships by assessing for increased risk of neuropsychiatric symptoms among demented outpatients related to midlife smoking habits. Design: A retrospective cross-sectional analysis. Setting: Patients seen in a community based outpatient clinic for treatment of dementia during a one year period. Participants: A total of 38 participants were included in this study, 22 with a history of midlife smoking and 16 lifetime non-smokers. Results: Midlife cigarette smoking was associated with midlife alcohol use (p = 0.023) and presence of delusions (p = 0.031) among demented outpatients. Conclusions: A history of midlife smoking is associated with increased frequency of delusions later in life among demented outpatients and may help identify those at higher risk for developing neuropsychiatric symptoms.
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