## Abstract A questionnaire designed to screen Parkinson's disease (PD) in literate populations has been developed. It consists of nine questions, self‐administered at medical facilities or by mail, and a scale of weights for ascribing scores to specific questions when the answer is positive. The q
Validity of a mailed epidemiological questionnaire and physical self-assessment in Parkinson's disease
✍ Scribed by Dr. Lawrence I. Golbe; Jeen Pae
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 461 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0885-3185
No coin nor oath required. For personal study only.
✦ Synopsis
The large-scale mail questionnaire is a useful tool in epidemiological investigation and will probably come into wider use in the search for an environmental cause of Parkinson's disease (PD). To determine the validity of mail questionnaires in patients with PD, we administered a 17-item questionnaire by in-person interview, as a standard, to 68 patients (and/or a relative when necessary) and compared the results with the same questionnaire mailed at least 1 month before or after the interview. Questions in three formats requested recall of the clinical course and past environmental factors. Each patient also completed a multiple-choice physical self-assessment (a modification of four items on the Columbia Scale
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