New Paper: DDI-Lifecycle Facilitates Cross-Study Linking of Cognitive Data

The National Archive of Computerized Data on Aging (NACDA), located within ICPSR, has published a working paper that describes a methodology that used DDI Lifecycle tools to identify and organize health questions and measures related to Alzheimer’s and other cognitive impairments using data maintained or supported by NACDA. This project specifically used the National Social Life, Health and Aging Project (NSHAP) and the National Health and Aging Trends Study (NHATS) as the comparison proof of concept.

The methodology used in this process identifies variables that measure Alzheimer’s disease (A.D.) and other cognitive impairments within NSHAP and NHATS, as well as sociodemographic and comorbidity data commonly associated with increased risk of A.D. and other cognitive impairments. The project generated enhanced metadata using DDI Lifecycle software to make the discovery of A.D. and other cognitive impairments variables more straightforward and increase the user-friendly elements of these studies. Finally, the proposed supplement included the creation of a customized bibliography of the use of NSHAP and NHATS data in the analysis of A.D. and other cognitive impairments research, allowing researchers to more easily review the existing body of literature using these data resources. 

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