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A Prospective Study of the Influence of Perinatal, Medical, and Socioeconomic Factors

Robert O. Fisch, MD; Mary K. Bilek, MS; J. Margaret Horrobin, MD, ChB, DCH; Pi-Nian Chang, PhD

Am J Dis Child. 1976;130(5):481-487.

Abstract

• Perinatal and medical information, growth, and the social background of 258 children who, in a prospective study, had superior intelligence at 7 years of age were reviewed. The subjects were divided into three categories on the basis of the results of psychological evaluation at age 7. Comparisons were made between those with superior (intelligence quotient 120), average (IQ between 80 and 119), and low intelligence (IQ 79).

A favorable parental social and educational background was the best correlate of superior intelligence in the children. Larger head size from 1 year of age was an early finding associated with superior intelligence. Greater height and weight, from 4 years of age were later findings.

Correlations between psychological performance at ages 4 and 7 years were statistically significant. Perinatal factors and medical complications did not affect the intellectual status of children with superior intelligence.

(Am J Dis Child 130:481-487, 1976)

Author Affiliations

Footnotes

Reprint requests to Box 384, Mayo Memorial Hospital, University of Minnesota, Minneapolis, MN 55455 (Dr Fisch).

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