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24-04-2021 | Issue 3/2021

Lifetime Data Analysis 3/2021

Regression analysis of current status data with latent variables

Journal:
Lifetime Data Analysis > Issue 3/2021
Authors:
Chunjie Wang, Bo Zhao, Linlin Luo, Xinyuan Song
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Abstract

Current status data occur in many fields including demographical, epidemiological, financial, medical, and sociological studies. We consider the regression analysis of current status data with latent variables. The proposed model consists of a factor analytic model for characterizing latent variables through their multiple surrogates and an additive hazard model for examining potential covariate effects on the hazards of interest in the presence of current status data. We develop a borrow-strength estimation procedure that incorporates the expectation–maximization algorithm and correlated estimating equations. The consistency and asymptotic normality of the proposed estimators are established. A simulation study is conducted to evaluate the finite sample performance of the proposed method. A real-life study on the chronic kidney disease of type 2 diabetic patients is presented.

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