UNIGE document Scientific Article
previous document  unige:32544  next document
add to browser collection
Title

Time-dependent study entries and exposures in cohort studies can easily be sources of different and avoidable types of bias

Authors
Wolkewitz, Martin
Allignol, Arthur
de Angelis, Giulia
Schumacher, Martin
Beyersmann, Jan
Published in Journal of Clinical Epidemiology. 2012, vol. 65, no. 11, p. 1171-80
Abstract To display and discuss the reasons and consequences of length and time-dependent bias. They might occur in presence of a time-dependent study entry or a time-dependent exposure which might change from unexposed to exposed.
Keywords Abortion, Spontaneous/epidemiologyAlzheimer Disease/mortalityCohort StudiesCoronary Disease/epidemiologyCross Infection/epidemiologyData Interpretation, StatisticalDiabetes Mellitus/epidemiologyFemaleHeart Transplantation/mortalityHumansLength of Stay/statistics & numerical dataLiver Cirrhosis/mortalityPregnancyProportional Hazards ModelsSelection BiasSurvival AnalysisTime Factors
Identifiers
PMID: 23017635
Full text
Article (Published version) (291 Kb) - document accessible for UNIGE members only Limited access to UNIGE
Structures
Research group Groupe Harbarth Stephan (Staphylocoques dorés résistants à la méthicilline) (866)
Citation
(ISO format)
WOLKEWITZ, Martin et al. Time-dependent study entries and exposures in cohort studies can easily be sources of different and avoidable types of bias. In: Journal of Clinical Epidemiology, 2012, vol. 65, n° 11, p. 1171-80. https://archive-ouverte.unige.ch/unige:32544

139 hits

0 download

Update

Deposited on : 2013-12-18

Export document
Format :
Citation style :