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It was also possible to follow up the development of 198
children (89 boys and 109 girls) in the " leaver " age group.
According to the statistics available, the average London
school child gains approximately 50 per cent. of his weight as an
intermediate, in the five years between 8—13 years.
Of the above 198 children, only 10 (5 boys and 5 girls) failed
to attain this standard, but, on the other hand 15 children (3 boys
and 12 girls) doubled or more than doubled their intermediate
weight in these 5 years.
Comments. From the above tables, it will be seen that the
boys in the leaver group have increased both in height and
weight, and that there is a comparatively higher percentage in
both the taller (over 61¼") and the heavier (over 95 lbs.) height
and weight groups.
The girls in the leaver group have shown the greatest proportional
height increase in the middle group (558"—63"), but
the highest proportional weight increase is to be found in the
heavier (over 100 lbs.) weight group.
The intermediate boys show a higher percentage in the taller
group, with a slightly lower percentage in the heavier group,
and a higher proportional weight increase in the middle (46¼—62
lbs.) group.
The girls in this group show a slight proportional increase in
both the taller and heavier groups with a corresponding lower
percentage in the middle height and weight group.