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October 1994

Systolic Blood Pressure Response to Exercise in Black and White Preadolescent and Early Adolescent Boys

Author Affiliations

From the Department of Exercise Science, The University of South Carolina, Columbia (Dr Pate and Mr Matthews), the Department of Pediatrics, University of Tennessee, Memphis (Dr Alpert), the Section of Pediatric Cardiology and The Georgia Prevention Institute, Medical College of Georgia, Augusta (Dr Strong), and the Division of Adolescent/Young Adult Medicine, Children's Hospital, Harvard Medical School, Boston, Mass (Dr DuRant).

Arch Pediatr Adolesc Med. 1994;148(10):1027-1031. doi:10.1001/archpedi.1994.02170100025006

Objective:  To investigate differences in the response of systolic blood pressure (SBP) to exercise in black and white boys while controlling for the possible confounding effects of relative body weight, body surface area, physical work capacity index, preexercise SBP, and average power output.

Design:  Comparative and correlational.

Participants:  Eighty-seven black and 52 white boys between the ages of 5 and 16 years. Participants were recruited from day camps, community centers, and summer recreation programs in and near Augusta, Ga.

Interventions:  None.

Measurements/Main Outcomes:  The slope of the SBP response to exercise was not significantly different between groups. Analysis of covariance revealed race, age, relative body weight, body surface area, preexercise SBP, and average power output to be significant univariate predictors of SBP at each power output. With multiple regression analyses, the effect of race was removed, and only preexercise SBP and average power output were found to be significant predictors of exercise SBP.

Conclusion:  There were no significant differences between black and white boys in the SBP response to exercise after controlling for the effects of preexercise SBP and average power output.(Arch Pediatr Adolesc Med. 1994;148:1027-1031)

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