About Direct standardization all are true except:
Standardization is done to compare the death rate of two populations with different age composition. Direct Standardization Indirect Standardization Method Use actual ASDRs* on the standard age structure Use Standard ASDRs* on the actual age structures Utility when 1. No. of deaths in each age group 2. Population in each age group Both are available Both are unavailable (ASDR*: Age Specific Death Rate)
Age specific death rate is not needed
A standard population is needed
Population should be comparable
Two populations are compared
Disease Causation, Measurements, Milestones