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Operational Definition of Chronic Disability in the National Long-Term Care Surve

国家长期护理保险中慢性残疾的操作定义

基本信息

批准号：
7486276
负责人：
Elena Erosheva
金额：
$ 5.88万
依托单位：
UNIVERSITY OF WASHINGTON
依托单位国家：
美国
项目类别：
财政年份：
2007
资助国家：
美国
起止时间：
2007-09-01 至 2010-08-31
项目状态：
已结题

项目摘要

DESCRIPTION (provided by applicant): Operational definition of chronic disability in the National Long-Term Care Survey Abstract: This application requests two years of funding to investigate the operational definition of chronic disability in the National Long-Term Care Survey (NLTCS). Published studies that use data or refer to results from the NLTCS vary in the amount of detail they provide on the definition of chronic disability employed by the survey. Most of these studies, however, oversimplify the NLTCS's operational definition of chronic disability by ignoring longitudinal features of the survey. This practice may lead not only to erroneous conclusions but also to misspecified policy implications. The NLTCS began in 1982 and now extends over six waves through 2004. It provides an important source of information on possible changes in disability over time among the elderly Americans. The NLTCS data on basic and instrumental activities of daily living have been used to generate some major findings such as showing a decline in chronic disability among the elderly Americans. However, complexity of the design, influenced by many decisions made in the early years of the survey, presents conceptual and analytic challenges for secondary users of the NLTCS data. In particular, the operational definition of chronic disability employed by the NLTCS is difficult to track down comprehensively. As a result, it often gets misinterpreted toward an oversimplification. Our preliminary study shows that the NLTCS by design measures some combination of chronic and short term disability as opposed to chronic disability as commonly stated in the literature. The primary aims of this project are to develop a comprehensive description of the operational definition of chronic disability used in the NLTCS and to investigate the impact of the design choices made by the NLTCS on the measurement of chronic disability. This project will illuminate the interplay between the basic definition of chronic disability, as a disability lasting more than 90 days, and the complex longitudinal design of the NLTCS. It will also investigate whether there are subgroups of the elderly population that are differentially affected by the NLTCS design choices as they relate to the measurement of chronic disability. Finally, it will explore whether additional data from the NLTCS can be used to obtain a valid chronic disability measure. Findings of this study will benefit secondary users of the NLTCS data and future designers of longitudinal surveys that aim to track chronic disability status of the elderly over time. Operational definition of chronic disability in the National Long-Term Care Survey Project Narrative: This application requests two years of funding to investigate the operational definition of chronic disability in the National Long-Term Care Survey (NLTCS). Published studies that use data or refer to results from the NLTCS vary in the amount of detail they provide on the definition of chronic disability employed by the survey. Most of these studies, however, oversimplify the NLTCS's operational definition of chronic disability by ignoring longitudinal features of the survey. This practice may lead not only to erroneous conclusions but also to misspecified policy implications. The primary aims of this project are to develop a comprehensive description of the operational definition of chronic disability used in the NLTCS and to investigate the impact of the design choices made by the NLTCS on the measurement of chronic disability. This project will illuminate the interplay between the basic definition of chronic disability, as a disability lasting more than 90 days, and the complex longitudinal design of the NLTCS. It will also investigate whether there are subgroups of the elderly population that are differentially affected by the NLTCS design choices as they relate to the measurement of chronic disability. Finally, it will explore whether additional data from the NLTCS can be used to obtain a valid chronic disability measure. Findings of this study will benefit secondary users of the NLTCS data and future designers of longitudinal surveys that aim to track chronic disability status of the elderly over time.

描述（由申请人提供）：慢性残疾的操作定义在国家长期护理调查摘要：本申请要求两年的资金，调查慢性残疾的操作定义在国家长期护理调查（NLTCS）。使用NLTCS数据或参考NLTCS结果的已发表研究在调查所用慢性残疾定义的详细程度上各不相同。然而，大多数这些研究，过度简化了NLTCS的慢性残疾的操作定义，忽略了纵向特征的调查。这种做法不仅可能导致错误的结论，而且可能导致错误的政策含义。NLTCS开始于1982年，现在延伸到2004年的六波。它提供了一个重要的信息来源，说明美国老年人随着时间的推移残疾可能发生的变化。NLTCS关于基本和工具性日常生活活动的数据已被用来产生一些主要的发现，如显示美国老年人慢性残疾的下降。然而，设计的复杂性，在调查的最初几年作出的许多决定的影响，提出了概念和分析的NLTCS数据的二级用户的挑战。特别是，非长期残疾人服务计划所采用的长期残疾的实际定义难以全面追溯。因此，它经常被误解为过于简单化。我们的初步研究表明，NLTCS的设计措施的慢性和短期残疾的一些组合，而不是在文献中通常所说的慢性残疾。本项目的主要目的是全面描述NLTCS中使用的慢性残疾的操作定义，并调查NLTCS对慢性残疾测量的设计选择的影响。这个项目将阐明慢性残疾的基本定义（持续90天以上的残疾）与NLTCS复杂的纵向设计之间的相互作用。它还将调查是否有老年人口的亚组，不同的影响NLTCS的设计选择，因为它们涉及到慢性残疾的测量。最后，它将探讨是否从NLTCS的额外数据可以用来获得一个有效的慢性残疾措施。这项研究的结果将有利于二次用户的NLTCS数据和未来的设计者的纵向调查，旨在跟踪慢性残疾状态的老年人随着时间的推移。国家长期护理调查项目中慢性残疾的操作定义叙述：本申请要求两年的资金，以调查国家长期护理调查（NLTCS）中慢性残疾的操作定义。使用NLTCS数据或参考NLTCS结果的已发表研究在调查所用慢性残疾定义的详细程度上各不相同。然而，大多数这些研究，过度简化了NLTCS的慢性残疾的操作定义，忽略了纵向特征的调查。这种做法不仅可能导致错误的结论，而且可能导致错误的政策含义。本项目的主要目的是全面描述NLTCS中使用的慢性残疾的操作定义，并调查NLTCS对慢性残疾测量的设计选择的影响。这个项目将阐明慢性残疾的基本定义（持续90天以上的残疾）与NLTCS复杂的纵向设计之间的相互作用。它还将调查是否有老年人口的亚组，不同的影响NLTCS的设计选择，因为它们涉及到慢性残疾的测量。最后，它将探讨是否从NLTCS的额外数据可以用来获得一个有效的慢性残疾措施。这项研究的结果将有利于二次用户的NLTCS数据和未来的设计者的纵向调查，旨在跟踪慢性残疾状态的老年人随着时间的推移。