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A Bayesian hierarchical logistic regression model of multiple informant family health histories.


ABSTRACT:

Background

Family health history (FHH) inherently involves collecting proxy reports of health statuses of related family members. Traditionally, such information has been collected from a single informant. More recently, research has suggested that a multiple informant approach to collecting FHH results in improved individual risk assessments. Likewise, recent work has emphasized the importance of incorporating health-related behaviors into FHH-based risk calculations. Integrating both multiple accounts of FHH with behavioral information on family members represents a significant methodological challenge as such FHH data is hierarchical in nature and arises from potentially error-prone processes.

Methods

In this paper, we introduce a statistical model that addresses these challenges using informative priors for background variation in disease prevalence and the effect of other, potentially correlated, variables while accounting for the nested structure of these data. Our empirical example is drawn from previously published data on families with a history of diabetes.

Results

The results of the comparative model assessment suggest that simply accounting for the structured nature of multiple informant FHH data improves classification accuracy over the baseline and that incorporating family member health-related behavioral information into the model is preferred over alternative specifications.

Conclusions

The proposed modelling framework is a flexible solution to integrate multiple informant FHH for risk prediction purposes.

SUBMITTER: Lin J 

PROVIDER: S-EPMC6419428 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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A Bayesian hierarchical logistic regression model of multiple informant family health histories.

Lin Jielu J   Myers Melanie F MF   Koehly Laura M LM   Marcum Christopher Steven CS  

BMC medical research methodology 20190312 1


<h4>Background</h4>Family health history (FHH) inherently involves collecting proxy reports of health statuses of related family members. Traditionally, such information has been collected from a single informant. More recently, research has suggested that a multiple informant approach to collecting FHH results in improved individual risk assessments. Likewise, recent work has emphasized the importance of incorporating health-related behaviors into FHH-based risk calculations. Integrating both m  ...[more]

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