Statistics >> Specific Death Rate
A death rate calculated on the basis of a specified section of the population is called a specific death rate. Death rate may be specific with respect to age, sex or some other characteristics.
= No of death in a specified section of the population of an area in a given period X 100 / Mean population of that specific area in the same period
Let
nDx = No. of persons in the age group (x, x + n) in the given region during a given period.
nPx = No. of persons in the age group (x, x + n) in the given region during a given period.
nPx = Age specific Death Rate (ASDR) for the above age group.
Then, nmx =
nDx x 1000 / nPx
If we put n = 1, we get annual - ASDR.
Now ASDR for males and females can be formulated as
mnmx = mnDx X 1000 / mnPx
Merits:
Specific death rates are the true and best measure of mortalily. These rates can be compared from one population to the other or from one time to another in the same population. They supply one of the essential components required for constructing life tables and net reproduction rate.
Demerits:
It does not eliminate other characteristics, such as race, occupation, locality of dwelling etc.
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