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Standardized (adjusted) rate =

Standardized (adjusted) rate = A rate which has been weighted to remove the influence of some extraneous variable, such as age. Standardization. Formula for direct standardization: t s = standardized rate t a = ASDR (proportion of persons dying at age a)

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Standardized (adjusted) rate =

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  1. Standardized (adjusted) rate = A rate which has been weighted to remove the influence of some extraneous variable, such as age.

  2. Standardization Formula for direct standardization: ts = standardized rate ta = ASDR (proportion of persons dying at age a) Pa = proportion of standard population that is age a

  3. DIRECT STANDARDIZATION To calculate directlystandardized fertility rate: • Multiply the fertility rate for each age group by the percent of the “standard” population in that age group • Add up the results of the multiplication for all age groups • Divide by 100

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