Factors influencing attrition in 35 Alzheimer’s Disease Centers across the USA: a longitudinal examination of the National Alzheimer’s Coordinating Center’s Uniform Data Set

Objective A lack of understanding of the causes of attrition in longitudinal studies of older adults may lead to higher attrition rates and bias longitudinal study results. In longitudinal epidemiological studies of Alzheimer’s disease and related dementias, high rates of attrition may cause a syste...

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