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Theory and methods
Selection bias and patterns of confounding in cohort studies: the case of the NINFEA web-based birth cohort

Authors

  1. Correspondence to Costanza Pizzi, Cancer Epidemiology Unit, CeRMS and CPO-Piemonte, University of Turin, Via Santena 7, Turin 10126, Italy; costanza.pizzi{at}lshtm.ac.uk
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Citation

Pizzi C, De Stavola BL, Pearce N, et al
Selection bias and patterns of confounding in cohort studies: the case of the NINFEA web-based birth cohort
J Epidemiol Community Health 2012;66:976-981.

Publication history

  • Accepted November 10, 2011
  • First published December 6, 2011.
Online issue publication 
April 27, 2016

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