Social & Preventive Medicine For assembling cohos for Coho study, all of the following considerations are considered except A The coho must be free from the disease under the study B Study and control cohos should be equally susceptible to disease under study C Both groups should be comparable in respect of all the possible variable D The diagnostic and eligibility criteria of the disease must be defined after the staing of research 💡 Explanation For assembling cohos for Coho study, all of the following considerations are considered except ✓ Correct Answer: D. The diagnostic and eligibility criteria of the disease must be defined after the staing of research