3 papers
stat.ME2026
Robust and Efficient Semiparametric Inference for the Stepped Wedge Design
Fan Xia, K. C. Gary Chan, Emily Voldal +3
Stepped wedge designs (SWDs) are increasingly used to evaluate longitudinal cluster-level interventions but pose substantial challenges for valid inference. Because crossover times…
stat.ME2025
Factors affecting power in stepped wedge trials when the treatment effect varies with time
Avi Kenny, Emily C. Voldal, Fan Xia +3
Stepped wedge cluster randomized trials (SW-CRTs) have historically been analyzed using immediate treatment (IT) models, which assume the effect of the treatment is immediate after…
stat.ME2025
A discrete-time survival model to handle interval-censored covariates, with applications to HIV cohort studies
Avi Kenny, Stephen Olivier, Jianxuan Zang +3
Methods are lacking to handle the problem of survival analysis in the presence of an interval-censored covariate, specifically the case in which the conditional hazard of the prima…