The importance of post-hoc approaches for overcoming non-response and attrition bias in population-sampled studies (original) (raw)

Gray, Linsay ORCID: https://orcid.org/0000-0002-6918-5037(2016) The importance of post-hoc approaches for overcoming non-response and attrition bias in population-sampled studies.Social Psychiatry and Psychiatric Epidemiology, 51(1), pp. 155-157. (doi: 10.1007/s00127-015-1153-8) (PMID:26615409) (PMCID:PMC4720721)

Abstract

Population-based health studies are critical resources for monitoring population health and related factors such as substance use, but reliable inference can be compromised in various ways. Non-response and attrition are major methodological problems which reduce power and can hamper the generalizability of findings if individuals who participate and who remain in a study differ systematically from those who do not. In this issue of SPPE, McCabe et al. studied participants of the 2001-2002 National Epidemiologic Survey on Alcohol and Related Conditions, comparing attrition in Wave 2 across participants with different patterns of substance use at Wave 1. The implications of differential follow-up and further possibilities for addressing selective participation are discussed.

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