Complex sentence: A few examples are multiple linear regression, logistic regression, proportional hazards models, multi-stage survival model, structural equation modeling, generalized linear model, and epidemic model, which are now widely used by epidemiologists and other medical researchers in China.
Split into simpler sentences: A few examples are multiple linear regression, logistic regression, proportional hazards models, multi-stage survival model, structural equation modeling, generalized linear model, and epidemic model. Now those methods have been widely used by epidemiologists and other medical researchers in China.