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November 7, 1942

Current Comment

JAMA. 1942;120(10):768. doi:10.1001/jama.1942.02830450040016

HEIGHT AND WEIGHT OF TORONTO SCHOOL CHILDREN  An exhaustive height and weight survey of Toronto elementary school children1 carried out by a group of Canadian medical and statistical investigators has recently appeared under the auspices of the Dominion Bureau of Statistics at Ottawa. The survey involved measurements of about 78,000 children in comparison with about 59,000 measured in 1923. A serious attempt was made to disentangle hereditary and environmental factors involving growth. However, the report states that this has not been entirely satisfactory; there is no incontrovertible evidence to disprove the possibility that children of relatively prosperous parents are taller because their parents, on theaverage, are taller, as well as through superior environment. The results of the study agree with those obtained in similar analyses of heights and weights of school children elsewhere. The tendency found in British and American surveys toward an increase in average height and weight

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