Analyzing Interval-Censored Recurrence Event Data with Adjusting Informative Observation Times by Propensity Scores

Ni Li (), Meiting Lin and Yakun Shang
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Ni Li: School of Mathematics and Statistics, Hainan Normal University, Haikou 571158, China
Meiting Lin: School of Mathematics and Statistics, Hainan Normal University, Haikou 571158, China
Yakun Shang: School of Mathematics and Statistics, Hainan Normal University, Haikou 571158, China

Mathematics, 2024, vol. 12, issue 12, 1-21

Abstract: In this paper, we discuss the statistical inference of interval-censored recurrence event data under an informative observation process. We establish an additive semiparametric mean model for the recurrence event process. Since the observation process may contain relevant information about potential underlying recurrence event processes, which leads to confounding bias, therefore, we introduced a propensity score into the additive semiparametric mean model to adjust for confounding bias, which possibly exists. Furthermore, the estimation equations were used to estimate the parameters of the covariate effects, and the asymptotic normality of the estimator under large samples is proven. Through simulation studies, we illustrated that the proposed method works well, and it was applied to the analysis of bladder cancer data.

Keywords: interval-censored recurrence event data; dependent observation process; propensity score (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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