The association between disease & risk factor in a case control study is studied by-: (A) Relative role, (B) Attributable role, (C) Population attributable role, (D) Odds ratio
Answer is D. .<p>from a case control study we can derive what is known as odds ratio,which is measure of the strength of association between risk factor and outcome.</p><p>ref:park&;s textbook of preventive and social medicine,22 nd edition ,pg no 70</p>