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9
MORTALITY.
General Mortality.—There were 535 deaths registered of parishioners
who were resident in the Borough, and 145 of parishioners who
died in Public Instutions without the Borough, making a total of 680
deaths of parishioners. Of these deaths 326 were of females and 354
were of males.
The recorded general death-rate is therefore 13.1, which was also
the rate in the preceding year. This ordinary death-rate, however,
cannot be taken as a true index of the healthiness of the Borough, nor
can it be justly compared with the rates of other Sanitary areas,
unless some allowance is made for the relative proportions of males
and females at different ages in the districts compared.
Death-rates vary very much in different districts according to
the natures of the populations of these districts; for instance, in a
district containing a large number of very young or very old people,
the rate would be considerably higher than in a district consisting
almost entirely of people of middle age.
There is, therefore, calculated by the Registrar General from the
Government Census returns, a corrective factor for each district in
the County of London, according to the sex and age distribution of
the population of that district; the multiplication of the recorded
death-rate of the district by this factor gives the death-rate which
would obtain in that district if the sex and age distribution of the
population of the district were in the same proportions as it is in the
country as a whole—thus eliminating the accidental differences due
to sex and age and affording a fair means of comparison, and a truer
test of the healthiness of the district. The death-rate so ascertained
is known as the corrected death-rate.
The so-called "factor for correction" for the Borough of Stoke
Newington is about 1.07283, and the death-rate corrected for age and
sex distribution is (13.1 x 1.07283) 14.0 per 1,000 per annum.