All the statements are true about standardization, except

A. Standardization allows comparison to be made between two different populations

B. The national population is always taken as the standard population

C. For direct standardization age specific rates of the study population are applied to that of the standard population

D. For indirect standardization age specific rates of the standard population are applied to the study population

Correct Answer: The national population is always taken as the standard population

Description: Standard population: Is a population where numbers in each age and sex group are known Two frequently used standard populations are: Segi world population European standard population Choice of standard population is arbitrary: Available standard populations may be used Standard population may also be created using 2 populations The national population need not always be taken as the standard population Is commonly used in occupational studies: Comparison of mortality in an industry and general population Can be used for occurrence of disease (rather than death)

Category: Social & Preventive Medicine

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