Biased Exposure–Health Effect Estimates from Selection in Cohort Studies: Are Environmental Studies at Particular Risk? | Zendy

Marc G. Weisskopf | Zendy; David Sparrow | Zendy; Howard Hu | Zendy; Melinda C. Power | Zendy

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Biased Exposure–Health Effect Estimates from Selection in Cohort Studies: Are Environmental Studies at Particular Risk?

Author(s) -

Marc G. Weisskopf,

David Sparrow,

Howard Hu,

Melinda C. Power

Publication year - 2015

Publication title -

environmental health perspectives

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.257

H-Index - 282

eISSN - 1552-9924

pISSN - 0091-6765

DOI - 10.1289/ehp.1408888

Subject(s) - hazard ratio , medicine , confounding , selection bias , proportional hazards model , confidence interval , cohort , cohort study , environmental health , demography , information bias , inverse probability weighting , propensity score matching , pathology , sociology

The process of creating a cohort or cohort substudy may induce misleading exposure-health effect associations through collider stratification bias (i.e., selection bias) or bias due to conditioning on an intermediate. Studies of environmental risk factors may be at particular risk.

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