Study protocol: the empirical investigation of methods to correct for measurement error in biobanks with dietary assessment

Derrick Bennett (Corresponding Author), Julian Little, Lindsey Fiona Masson, Cosetta Minelli

Research output: Contribution to journalArticle

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3 Downloads (Pure)

Abstract

Background
The Public Population Project in Genomics (P3G) is an organisation that aims to promote collaboration between researchers in the field of population-based genomics. The main objectives of P3G are to encourage collaboration between researchers and biobankers, optimize study design, promote the harmonization of information use in biobanks, and facilitate transfer of knowledge between interested parties. The importance of calibration and harmonisation of methods for environmental exposure assessment to allow pooling of data across studies in the evaluation of gene-environment interactions has been recognised by P3G, which has set up a methodological group on calibration with the aim of; 1) reviewing the published methodological literature on measurement error correction methods with assumptions and methods of implementation; 2) reviewing the evidence available from published nutritional epidemiological studies that have used a calibration approach; 3) disseminating information in the form of a comparison chart on approaches to perform calibration studies and how to obtain correction factors in order to support research groups collaborating within the P3G network that are unfamiliar with the methods employed; 4) with application to the field of nutritional epidemiology, including gene-diet interactions, ultimately developing a inventory of the typical correction factors for various nutrients.

Methods/Design
Systematic review of (a) the methodological literature on methods to correct for measurement error in epidemiological studies; and (b) studies that have been designed primarily to investigate the association between diet and disease and have also corrected for measurement error in dietary intake.

Discussion
The conduct of a systematic review of the methodological literature on calibration will facilitate the evaluation of methods to correct for measurement error and the design of calibration studies for the prospective pooling of biobanks. This could increase the efficiency of the design of such studies, improve statistical power, reduce bias, and aid in the assessment of gene-environment interaction effects in complex diseases. The systematic review of calibration of dietary intake information could inform gene-diet interaction investigations involving the pooling of results from studies with nutritional data collected in different ways.

Original languageEnglish
Pages (from-to)135
Number of pages5
JournalBMC Medical Research Methodology
Volume11
Early online date5 Oct 2011
DOIs
Publication statusPublished - 5 Oct 2011

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Calibration
Gene-Environment Interaction
Diet
Epidemiologic Studies
Research Personnel
Metagenomics
Environmental Exposure
Genomics
Genes
Meta-Analysis
Epidemiology
Prospective Studies
Food
Equipment and Supplies
Research
Population

Cite this

Study protocol : the empirical investigation of methods to correct for measurement error in biobanks with dietary assessment. / Bennett, Derrick (Corresponding Author); Little, Julian; Masson, Lindsey Fiona; Minelli, Cosetta.

In: BMC Medical Research Methodology, Vol. 11, 05.10.2011, p. 135.

Research output: Contribution to journalArticle

Bennett, Derrick ; Little, Julian ; Masson, Lindsey Fiona ; Minelli, Cosetta. / Study protocol : the empirical investigation of methods to correct for measurement error in biobanks with dietary assessment. In: BMC Medical Research Methodology. 2011 ; Vol. 11. pp. 135.
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