Please use this identifier to cite or link to this item: https://doi.org/10.1002/mds.21627
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dc.titleTest-retest repeatability of assessing environmental and lifestyle factors in Parkinson's disease
dc.contributor.authorYip C.-W.
dc.contributor.authorTan E.-K.
dc.date.accessioned2018-11-28T03:48:41Z
dc.date.available2018-11-28T03:48:41Z
dc.date.issued2008
dc.identifier.citationYip C.-W., Tan E.-K. (2008). Test-retest repeatability of assessing environmental and lifestyle factors in Parkinson's disease. Movement Disorders 23 (7) : 1032-1054. ScholarBank@NUS Repository. https://doi.org/10.1002/mds.21627
dc.identifier.issn08853185
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/149154
dc.description.abstractEpidemiological studies of environmental risk factors in Parkinson's disease (PD) are dependent on recollection of past exposures based on patients' self-reports. There are limited studies that have assessed the quality of such data. We conducted a prospective study to determine the test-retest repeatability of environmental and lifestyle factors, and medical data in a PD cohort of Asian ethnicity. A total of 150 consecutive PD patients were initially screened, and 100 were recruited and completed an initial interview. Eighty-three patients completed the second interview more than 6 months later. Lifestyle habits (such as smoking and coffee consumption) showed excellent agreement ( > 0.90). For the amount and duration of coffee, tea, alcohol, and cigarette smoking exposure, the total agreement in the response for these factors in the repeat interview were noted in 71.4%, 73.3%, 100%, and 90%, respectively (ICC > 0.83). Medical conditions for which the patients were on treatment, such as diabetes, hypertension, and stroke, revealed very high repeatability (= 0.81-0.90). Environmental exposures like well-water consumption and prior farm-dwelling produced a moderately good repeatability ( = 0.66-0.77). In conclusion, our study demonstrates that even over long interval period of more than half a year, self-report lifestyle exposure information, personal and environmental exposure data can be collected with moderate-to-high repeatability from PD patients. 2008 Movement Disorder Society.
dc.publisherWiley
dc.sourceScopus
dc.subjectLifestyle factors
dc.subjectParkinson's disease
dc.subjectTest-retest
dc.typeArticle
dc.contributor.departmentDUKE-NUS MEDICAL SCHOOL
dc.description.doi10.1002/mds.21627
dc.description.sourcetitleMovement Disorders
dc.description.volume23
dc.description.issue7
dc.description.page1032-1054
dc.published.statePublished
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