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IS
class proportions in the population as a whole. This will not be
accurately known until after the census due in 1951. It is however
possible to compare mortality in social classes for different diseases.
For an example two separate groups of diseases have been extracted,
namely 1, the intracranial vascular diseases and 2, bronchitis and
pneumonia. The social class mortalities in 1949 are shown in the
subjoined table, percentages (for easier comparison) being added in
italics:—

From the table it will be seen that whereas the percentage deaths in
social class III were approximately the same for both groups 1 and 2,
there was a tendency for group 1 cases (intracranial vascular diseases)
to be relatively more frequent in social classes I and II, and for group 2
cases (bronchitis, pneumonia) to be relatively more frequent in social
classes IV and V.
The figures are not suffciently large to do anything except to note
this tendency, and to see if it is repeated in subsequent years.

Here also the figures are for record purposes as they are not of
sufficient size to be significant.