The authors investigated familial aggregation of lung cancer by means of a population-
based case-control study, conducted in Germany between 1988 and 1993. They compared …

Environmental epidemiology is the study of the environmental causes of disease in
populations and how these risks vary in relation to intensity and duration of exposure and …

Background: Hypercholesterolemia is a major cardiovascular risk factor, and cholesterol
awareness is important in both clinical practice and in public health. We evaluated the …

Purpose The novel coronavirus (COVID-19) leaves Indian business teetering on the edge of
survival. This paper aims to set out to assess the impact of the pandemic shocks on the small …

Analysis of matched case-control studies is often complicated by missing data on covariates.
Analysis can be restricted to individuals with complete data, but this is inefficient and may be …

We consider methods for analysing matched case–control data when some covariates (W)
are completely observed but other covariates (X) are missing for some subjects. In matched …

We consider the problem of matched studies with a binary outcome that are analysed using
conditional logistic regression, and for which data on some covariates are missing for some …

Logistic regression is a standard model in many studies of binary outcome data, and the
analysis of missing data in this model is a fascinating topic. Based on the idea of Wang D …

The ISNI (index of sensitivity to local nonignorability) method quantifies local sensitivity of
parametric inferences to nonignorable missingness in an outcome variable. Here we extend …

Background: Matched case-control data have a structure that is similar to longitudinal data
with correlated outcomes, except for a retrospective sampling scheme. In conditional logistic …