Standardized (adjusted) rate =

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 directly standardized 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