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2 Data Collection Procedures
Pages 17-23

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From page 17...
... The data for the current study are unique: both former POWs and veteran controls were invited to undergo a comprehensive medical and mental health examination at a nearby VA medical facility; the results of the examination were sent to MFUA for analysis. This approach took advantage of the ongoing POW examination program, called the POW Protocol Examination program, that was already in place in VA medical facilities when this research began.
From page 18...
... Once a study subject agreed to be examined, this fact was logged into the mailing system and used to produce a list of subjects to be scheduled for examination at each VA hospital. Over the course of the study, more than a dozen such schedule lists were sent to VA medical facilities.
From page 19...
... At the same time that examination requests were being sent to individuals, requests were being sent to VA hospitals for copies of already completed exams undergone by the "volunteers." To accomplish this, lists of subjects who were thought to have undergone examination were sent to VA medical facilities. In this request for information, as with the previously described schedule list, two identical copies of the letter and list were sent to the facilities from which completed exams were requested: one copy went to the POW administrative coordinator and one to the physician coordinator.
From page 20...
... The computerized mail system tracked the status of each exam request by individual subject. ~ Before contacting a subject for examination, however, each VA hospital involved in the study was required to make arrangements for review of the study protocol by the appropriate local review committee that dealt with human subjects research.
From page 21...
... Complete and incomplete exams were simply coded C and I, respectively, but in some instances other status codes were assigned based on information received from the VA hospital if, for example, the exam itself could not be completed. The following codes were provided only by VA hospitals on returned schedule lists and were entered directly into the exam status field: 1 = exam scheduled 2 = exam previously done do not repeat if exam was complete 3 = VA unable to contact 4 = subject refused examination (at the VA hospital)
From page 22...
... The POW medical history forms (VA Forms 10-0048) were keyed by MFUA personnel into a separate data file, as were the SCID and psychological test forms.
From page 23...
... A second mailing was made to nonrespondents, but these data were available too late for inclusion in this report. The next chapter reviews the final status of data collection, with a focus on the response rates for the medical examination and for the psychological questionnaires.


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