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Hi! I can't find where this term comes from. I looked for it in the following sources and did not find it:

• Dictionary of epidemiology 6th edition
• Essentials of epidemiology in public health 3rd edition (cited in the page!)
• Statistical methods in medical research 4th edition

Further more, in it's 1-RR shape it coincides with /info/en/?search=Relative_risk_reduction

And further more, the fact that it can be either 1-RR or 1-OR is very strange - these two are not equal!

I have a suspicion that this term is not in wide use and propose to delete this page. Psarka ( talk) 13:34, 6 June 2018 (UTC) reply