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Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index
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Application of a new method for linking anonymous survey data in a population of soldiers returning from Iraq

Abigail L Garvey Wilson1, Charles W Hoge, Dennis McGurk

  • 1George Washington University, Washington, DC, USA. abigail.wilson@gmail.com

Annals of Epidemiology
|November 16, 2010
PubMed
Abstract

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Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
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Some researchers gain access to large amounts of data without interacting with a single research participant. Instead, they use existing records to answer various research questions. This type of research approach is known as archival research. Archival research relies on looking at past records or data sets to look for interesting patterns or relationships. For example, a researcher might access the academic records of all individuals who enrolled in college within the past ten years and...
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