Blood pressure, fatness, and fat patterning among USA adolescents from two ethnic groups.

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Abstract
Many studies have explored the relationship between blood pressure and body size and composition in adults and preadults, but none has inquired into the relationship of blood pressure and the anatomical distribution of subcutaneous fat (fat patterning). Fat patterning has an association with chronic diseases (diabetes and cardiovascular disease) in adults. We sought the relationship between fatness, fat patterning, weight, and height among adolescents (12 to 17 years of age) of two ethnic groups (black and white) from the Health Examination Survey. Systolic blood pressure adjusted for age was related to body build variables in all sex/ethnic groups in decreasing order of importance as follows: body weight (independent of height), fatness (as assessed by a two skinfold index), and an excess of fat on trunk relative to fat on the leg (pattern index). Neither fatness nor fat patterning was significantly related to blood pressure after weight entered the regression equation. Relative fat patterning may be less important in predicting cardiovascular risk factors in adolescents than it is in adults. The fact that body weight was more important than fatness suggests that the weight/blood pressure association is due to components of body mass other than body fat.