I have to use a case-control sampling design to apply logistic regression. I'm looking for a reference that explains which are the advantages and disadvantages of using a high case-control ratio rather than a lower case-control ratio. I need it to justify the choice to make since I read here in a discussion that does not exist an optimal case-control ratio.

Could someone suggest a clear and detailed reference?


Alastair Scott is undoubtedly the primary expert on population-based case-control studies, their design and estimation. Check his page out. A detailed overview of the state of the affairs in the area was delivered by him a few years ago as an invited Waksberg lecture at Statistics Canada Symposium, see here.


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