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Article |

Obesity in Urban Black Adolescents of High and Low Relative Weight at 1 Year of Age

Francis E. Johnston, PhD; Robert W. Mack, MD
Am J Dis Child. 1978;132(9):862-864. doi:10.1001/archpedi.1978.02120340038006.
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• The prevalence of obesity was determined in 798 9 to 15-year-old Philadelphia subjects who had either a high (+1 SD) or a low (−1 SD) relative weight at 1 year of age. During the adolescent years, obesity was assessed by the triceps skin-fold thickness and by the relative weight, using national reference standards from the US Health Examination Survey. The prevalence of obesity for the high relative weight group at 1 year of age was three to four times higher than in the low relative weight group at 1 year of age. Compared with all urban youth of this age range, regardless of their status at 1 year of age, it is estimated that the risk ratio associated with a high relative weight at 1 year of age is approximately 1.6.

(Am J Dis Child 132:862-864, 1978)

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