Which of the following is not a criteria suggesting causality in non communicable diseases?: (A) Strength of association, (B) Dose response relationship, (C) Specificity of association, (D) Lack of temporal association
Answer is D. Presence of temporal association forms a criterion for judging causality and not its lack or absence. Criteria for judging casuality in a non communicable disease includes temporal association, strength of association, specificity of association, consistency of association, biological plausibility and coherence of association. Ref: Park's Textbook of Preventive and Social Medicine, By K. Park, 19th Edition, Pages 83-85