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Patient characteristics associated with screening positive for Alzheimer's disease and related dementia
Nicole R Fowler1,2,3,4, Anthony J Perkins4, Sujuan Gao5
1Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA, fowlern@iupui.edu.
Introduction:
Screening all older adults for Alzheimer's disease and related dementias (ADRD) in primary care may not be acceptable or feasible. The goal of this study was to identify factors that could optimize screening in primary care and enhance its feasibility.
Methods:
This is a cross-sectional study in rural, suburban, and urban primary care practices in Indiana. A total of 1,723 patients ≥65 years of age were screened for ADRD using the Memory Impairment Screen. Logistic regression was used to identify patient-specific factors associated with screening positive for ADRD.
Results:
The positive screening rate was 4.9%. Rates varied significantly across the three study sites. The rural site had the lowest rate (2.8%), which was significantly lower than the rates at the suburban (5.6%) and urban (6.6%) sites (P<0.01). Patient age, sex, and education were significantly (P<0.05) associated with screening positive for ADRD.
Conclusion:
Targeted screening of patients at risk for ADRD may represent a more optimal and feasible screening alternative to population screening.