What is the estimated incidence rate ratio comparing the ¥30.0g group vs. the 0g group? Cancer A

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What is the estimated incidence rate ratio comparing the ‰¥30.0g group vs. the 0g group?

Cancer

A paper was recently published concerning the association between alcohol consumption and breast cancer incidence based on Nurses€™ Health Study data from 1980€“2006 (Chen et al. [16]). The following table was presented

Table 14.41: Association between alcohol intake in 1980 and breast cancer incidence from 1980 to 2006.

Baseline alcohol Median alcohol intake intake Group (grams/day) (grams/day) Cases Incidence rate* 1776 312 0.1-4.9 2.5 2

*per 105 person-years.

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Fundamentals Of Biostatistics

ISBN: 9781305268920

8th Edition

Authors: Bernard Rosner

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Question Posted: May 19, 2018 07:49 AM

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What is the estimated incidence rate ratio comparing the ¥30.0g group vs. the 0g group? Cancer A

Question:

Baseline alcohol Median alcohol intake intake Group (grams/day) (grams/day) Cases Incidence rate* 1776 312 0.1-4.9 2.5 2016 331 2 5.0-9.9 7.5 723 363 1020 3 10.0-19.9 15.0 370 412 4 20.0-29.9 25.0 246 5 230.0 30.0 413 476

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