Of the different epidemiological study designs available to test the association between risk factor and disease, the best design is of –
Correct Answer: Cohort study
Description: Ans. is 'c' i.e., Cohort study Comparison of various epidemiological EcologicalCross sectionalCase controlCohortProbability of selection biasNAMediumHighLowRecall biasNAHighHighLowLoss to follow upNANALowHighConfoundingHighMediumMediumLowTime required.LowMediumMediumHigh. CostLowMediumMediumHighStrength of causal interferenceLowLowMediumHigh
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