RELATION OF SERUM LIPIDS AND LIPOPROTEINS TO OBESITY AND SEXUAL MATURITY IN WHITE AND BLACK CHILDREN

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Abstract
The Interrelationships of serum lipids and lipoproteins with measures of body habitus and maturation stages were analyzed in a biracial population of 3151 children, ages 5–14 years. In general, triglycerides, pre-β-lipoprotein, and β-lipoprotein were positively correlated with body habitus and maturation while a-lipoprotein was negatively correlated. The relationships in most instances were more apparent in whites than in blacks, with the highest correlations observed in white boys. No significant correlations were observed between serum cholesterol and the anthropometric variables except in white boys. The most obese children tended to have higher levels of triglycerides, pre-β-lipoprotein, and β-lipoprotein, and lower levels of α-lipoprotein than the remaining population. In the total population, the multiple correlation coefficients with the children's age, race, sex, weight-height Index, triceps skinfold and maturation stage as the independent variables and the concentrations of the different serum variables as the dependent variables ranged from 0.04 to 0.11.