The Annals of Applied Statistics

Joint mean and covariance modeling of multiple health outcome measures

Xiaoyue Niu and Peter D. Hoff

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Abstract

Health exams determine a patient’s health status by comparing the patient’s measurement with a population reference range, a 95% interval derived from a homogeneous reference population. Similarly, most of the established relation among health problems are assumed to hold for the entire population. We use data from the 2009–2010 National Health and Nutrition Examination Survey (NHANES) on four major health problems in the U.S. and apply a joint mean and covariance model to study how the reference ranges and associations of those health outcomes could vary among subpopulations. We discuss guidelines for model selection and evaluation, using standard criteria such as AIC in conjunction with posterior predictive checks. The results from the proposed model can help identify subpopulations in which more data need to be collected to refine the reference range and to study the specific associations among those health problems.

Article information

Source
Ann. Appl. Stat., Volume 13, Number 1 (2019), 321-339.

Dates
Received: July 2015
Revised: January 2018
First available in Project Euclid: 10 April 2019

Permanent link to this document
https://projecteuclid.org/euclid.aoas/1554861651

Digital Object Identifier
doi:10.1214/18-AOAS1187

Mathematical Reviews number (MathSciNet)
MR3937431

Zentralblatt MATH identifier
07057430

Keywords
Heterogeneous population reference range covariance regression NHANES

Citation

Niu, Xiaoyue; Hoff, Peter D. Joint mean and covariance modeling of multiple health outcome measures. Ann. Appl. Stat. 13 (2019), no. 1, 321--339. doi:10.1214/18-AOAS1187. https://projecteuclid.org/euclid.aoas/1554861651


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Supplemental materials

  • Supplement to “Joint mean and covariance modeling of multiple health outcome measures.”. Additional results, tables, and plots mentioned in the text are in the Supplemental Material.