Of the different epidemiological study designs available to test the association between risk factor and disease, the best design is of -
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
Case-control study
Ecological study
Cohort study
Cross-sectional study
Analytical Epidemiology