In this tutorial, we provide a broad introduction to the topic of interaction between the effects
of exposures. We discuss interaction on both additive and multiplicative scales using risks …

Context The growing number of systematic reviews/meta-analyses (SR/MAs) on vitamin D
(±calcium) for fracture prevention has led to contradictory guidelines. Objective This …

Background The effectiveness of endovascular therapy in patients with stroke caused by
basilar-artery occlusion has not been well studied. Methods We randomly assigned patients …

Background Loneliness is significantly related to health and wellbeing. However, there is
little information on the prevalence of loneliness among people with disability or the …

Outcome-Wide Longitudinal Designs for Causal Inference: A New Template for Empirical
Studies Page 1 Statistical Science 2020, Vol. 35, No. 3, 437–466 https://doi.org/10.1214/19-STS728 …

Background Ecologic analyses suggest that living in areas with higher levels of ambient fine
particulate matter air pollution (PM 2.5) is associated with higher risk of adverse COVID-19 …