Regression analysis of case-cohort studies in the presence of dependent interval censoring

Mingyue Du, Qingning Zhou, Shishun Zhao and Jianguo Sun

Journal of Applied Statistics, 2021, vol. 48, issue 5, 846-865

Abstract: The case-cohort design is widely used as a means of reducing the cost in large cohort studies, especially when the disease rate is low and covariate measurements may be expensive, and has been discussed by many authors. In this paper, we discuss regression analysis of case-cohort studies that produce interval-censored failure time with dependent censoring, a situation for which there does not seem to exist an established approach. For inference, a sieve inverse probability weighting estimation procedure is developed with the use of Bernstein polynomials to approximate the unknown baseline cumulative hazard functions. The proposed estimators are shown to be consistent and the asymptotic normality of the resulting regression parameter estimators is established. A simulation study is conducted to assess the finite sample properties of the proposed approach and indicates that it works well in practical situations. The proposed method is applied to an HIV/AIDS case-cohort study that motivated this investigation.

Date: 2021
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DOI: 10.1080/02664763.2020.1752633

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