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Front Genet. 2013 Apr 30;4:61. doi: 10.3389/fgene.2013.00061. eCollection 2013.

The household contact study design for genetic epidemiological studies of infectious diseases.

Author information

  • 1Department of Epidemiology and Biostatistics, Case Western Reserve University Cleveland, OH, USA ; Uganda - Case Western Reserve University Research Collaboration Kampala, Uganda.

Abstract

MOST GENETIC EPIDEMIOLOGICAL STUDY DESIGNS FALL INTO ONE OF TWO CATEGORIES: family based and population-based (case-control). However, recent advances in statistical genetics call for study designs that combine these two approaches. We describe the household contact study design as we have applied it in our several years of study of the epidemiology of tuberculosis. Though we highlight its applicability for genetic epidemiological studies of infectious diseases, there are many facets of this design that are appealing for modern genetic studies, including the simultaneous enrollment of related and unrelated individuals, closely and distantly related individuals, collection of extensive epidemiologic and phenotypic data, and evaluation of effects of shared environment and gene by environment interaction. These study design characteristics are particularly appealing for current sequencing studies.

KEYWORDS:

case-contact; cohort study; extended pedigrees; genetic association; whole genome studies

PMID:
23641253
[PubMed]
PMCID:
PMC3639375
Free PMC Article
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