Recovering Individual Memory Problems Histories from Own and Proxy Retrospective Reports: A Feasibility Study

项目摘要 在项目中，“从自己和代理恢复个人内存问题历史 回顾性报告：可行性研究，”我们将适应和扩展著名的朗加- Weir法估计阿尔茨海默病及相关痴呆患病率 （ADRD）在个人的生命过程中。我们的目标是探索是否和根据什么 条件下，人们可以使用该方法来识别早期ADRD的早期生命阶段，以及 这个方法是有效的。我们特别关注ADRD，不仅是因为它是一个关键问题， 也因为它是一类疾病的一部分， 重要特征。首先，在ADRD的早期阶段，患者出现难以治疗的症状。 这可能是由多种不同的疾病引起的。第二，A 一个人显然有ADRD，这个人越来越发现它越来越难以记住 并报告他们的症状是否以及何时开始。第一个特征意味着， 与同期收集的数据相比， 测量ADRD早期人群的患病率。第二特性 这意味着自我报告的回顾性数据可能不如回顾性报告准确 代理受访者（了解受访者的历史）。我们的项目利用，补充， 并受益于我们最近资助的R21项目的方法、数据和结构， “构建，验证和测试生命历程健康史的预测能力。在 特别地，我们将使用其他疾病的生命历程历史作为我们模型中的协变量， 预测早期ADRD。这一补充项目将更深入地探讨具体问题， 与ADRD有关。与母项目一样，我们的总体目标是进行“证明"， 概念”练习，以探讨是否以及在何种情况下可以使用追溯 问题，以生成生命健康史，并为研究人员提供使用指南。我们 工作产品将扩展研究人员可以通过回顾性研究解决的问题集， 现有调查已经收集的健康数据。补充项目将产生以下见解 与ADRD相关的具体问题。

Project Summary In the project, "Recovering Individual Memory Problems Histories from Own and Proxy Retrospective Reports: A Feasibility Study," we will adapt and extend the well-known Langa- Weir method to estimate the prevalence of Alzheimer’s Disease and Related Dementias (ADRD) over the life-course of individuals. Our aims are explore whether and under what conditions one can use that method to identify incipient ADRD in earlier life stages and how well the method works. We focus specifically on ADRD not only because it is a critical issue faced by most of the world’s populations but also because it is part of a class of diseases that share two important features. First, in early stages of ADRD, patients present symptoms that are difficult to interpret and that might be caused by multiple and very different diseases. Second, after a person clearly has ADRD, that person increasingly finds it more and more difficult to remember and report whether and when their symptoms began. The first characteristic implies that, compared to contemporaneously collected data, retrospectively reported data might better measure prevalence in populations at the early stages of ADRD. The second characteristic implies that self-reported retrospective data will likely be less accurate than retrospective reports of proxy respondents (who know the respondent’s history). Our project leverages, complements, and benefits from the approach, data, and structure in our recently funded R21 project titled, “Constructing, Validating, and Testing the Predictive Power of Life-Course Health Histories.” In particular we will use the life course histories of other diseases as covariates in our model to predict incipient ADRD. This supplemental project will dive more deeply into the specific issues associated with ADRD. As in the parent project, our overall aims are to conduct a “proof-of- concept” exercise to explore whether and for what conditions one can use retrospective questions to generate life health histories and to provide a guide for researchers to use. Our work products will expand the set of questions researchers can address with retrospective health data already collected on existing surveys. The supplemental project will yield insights on the specific issues associated with ADRD.