Why the study?
Does aldosterone secretion differ between black and white children?
Population
715 children (249 black, 466 white) in the first study, and 99 children in the second study
Comparison
Black race (observational comparison) vs White race
Design
Cross-sectional
Authors
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Supports investigation of racial aldosterone differences in youth; hypothesis-generating without longitudinal outcome data.
Does aldosterone secretion differ between black and white children?
Black children secrete approximately 40 percent less aldosterone than white children, a difference only partially explained by lower dietary potassium intake.
Pratt et al. (1989) studied this question.
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