European Journal of Epidemiology

, Volume 21, Issue 12, pp 871–876

Exposure-measurement error is frequently ignored when interpreting epidemiologic study results

  • Anne M. Jurek
  • George Maldonado
  • Sander Greenland
  • Timothy R. Church
Methods

DOI: 10.1007/s10654-006-9083-0

Cite this article as:
Jurek, A.M., Maldonado, G., Greenland, S. et al. Eur J Epidemiol (2006) 21: 871. doi:10.1007/s10654-006-9083-0

Abstract

Introduction

One important source of error in study results is error in measuring exposures. When interpreting study results, one should consider the impact that exposure-measurement error (EME) might have had on study results.

Methods

To assess how often this consideration is made and the form it takes, journal articles were randomly sampled from original articles appearing in the American Journal of Epidemiology and Epidemiology in 2001, and the International Journal of Epidemiology between December 2000 and October 2001.

Results

Twenty-two (39%) of the 57 articles surveyed mentioned nothing about EME. Of the 35 articles that mentioned something about EME, 16 articles described qualitatively the effect EME could have had on study results. Only one study quantified the impact of EME on study results; the investigators used a sensitivity analysis. Few authors discussed the measurement error in their study in any detail.

Conclusions

Overall, the potential impact of EME on error in epidemiologic study results appears to be ignored frequently in practice.

Keywords

Bias Epidemiologic methods Measurement error 

Copyright information

© Springer Science+Business Media B.V. 2006

Authors and Affiliations

  • Anne M. Jurek
    • 1
  • George Maldonado
    • 2
  • Sander Greenland
    • 3
  • Timothy R. Church
    • 2
  1. 1.Department of PediatricsUniversity of MinnesotaMinneapolisUSA
  2. 2.Division of Environmental Health Sciences, School of Public HealthUniversity of MinnesotaMinneapolisUSA
  3. 3.Department of Epidemiology and Department of StatisticsUniversity of CaliforniaLos AngelesUSA

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