TESTING FOR ORDERED RATE RATIOS IN FOLLOW-UP STUDIES WITH INCIDENCE DENSITY DATA

An isotonic test is presented for ordered alternatives, with incidence density data, to test equality of the rate ratios (relative risks) in strata. A Monte Carlo study is presented to compare the powers of the proposed test with the Miettinen likelihood ratio test for the alternative of differences...

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Bibliographic Details
Published in:Brazilian journal of probability and statistics 1988-11, Vol.2 (2), p.125-137
Main Authors: Dachs, J. Norberto W., Paula, Gilberto A.
Format: Article
Language:English
Subjects:
Epidemiology
Follow up studies
Probability distributions
Random variables
Ratio test
Ratios
Statistical variance
Statistics
Online Access:Get full text
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Summary:An isotonic test is presented for ordered alternatives, with incidence density data, to test equality of the rate ratios (relative risks) in strata. A Monte Carlo study is presented to compare the powers of the proposed test with the Miettinen likelihood ratio test for the alternative of differences in the ratios.
ISSN:0103-0752
2317-6199