A Time-series Analysis To Determine Threshold
Values For Environmentally Influenced Diseases
Author(s)
O. Herbarth
Abstract
A analysis based on the Fourier method is introduced which allows the
determination of threshold values using environmental epidemiologic data and
time-correlated air pollution measurements. At the basis are a series of
temporally, highly resolved measurements of the indicator variable SC^, thus,
eleminating time-dependent confounding variables and temporal
inhomogeneitis. The SCVseries, resulting from this procedure, are compared
with daily acute respiratory morbidity data of the Mobile Emergency Unit. The
study design and application of the developed statistical method allowed the
determination of a dose-response curve for children and adults. The threshold
values and the associated risk derived at with this
Keywords
Related Book
Other papers in this volume
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