Medical Statistics article Critique (Logistic Regression Model)

Identify and describe the method (giving a key equation, such as that showing the link function, predictor and error structure in a GLM, where possible.)
iii) State the assumptions in the model.
iv) Critique the use of the model and the conclusions drawn from it in the example chosen.
v) Cite the paper identified, and other key methodological references if appropriate.
This further investigation topic should be written up in a structured and succinct way, not exceeding 3 pages in total (including any tables, figures, supplementary appendices and references).