Social & Preventive Medicine True regarding coho’s study are all of the following except: September 2007 A Most reliable mean of showing an association between a suspected risk factor and subsequent disease B It can be retrospective or prospective C Odd's ratio can be calculated D Exposure rates can be calculated 💡 Explanation True regarding coho's study are all of the following except: September 2007 ✓ Correct Answer: C. Odd's ratio can be calculated