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January 24, 2010 | History

Response bias from failure to provide a blood sample among participants in the Ontario Familial Colorectal Cancer Registry 1 edition

Response bias from failure to provide a blood sample among participant ...
Reyhaneh Honny Ghadaki

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Response bias from failure to provide a blood sample among participants in the Ontario Familial Colorectal Cancer Registry.

Published 2005 .
Written in English.

About the Book

Non-response can bias study results. This study investigated the extent of response bias on selected study variables associated with colorectal cancer (CRC) arising from failure to provide a blood sample. The Ontario Familial Colorectal Cancer Registry collected data with questionnaires on family history, personal history and frequency of food consumption, in addition to obtaining a blood sample. A total of 3447 cases and controls was compared on age, sex, selected socio-economic and dietary factors, and on personal medical history and family history of colorectal cancer, separately for those who provided a blood sample and for those who did not. Findings indicated that case-control comparisons lead to biased odds ratios for associations between CRC and age, sex, fat and fruit consumption, history of elevated triglycerides, and a family history of colorectal cancer. Biased associations have implications for the design and conduct of genetic epidemiological studies.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0836.

Thesis (M.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

Pagination
157 leaves.
Number of pages
157

ID Numbers

Open Library
OL19217708M
ISBN 10
0494074787

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page