Serum lipids and apolipoproteins from 1 to 15 years: changes with age and puberty, and relationships with diet, parental cholesterol and family history of ischaemic heart disease

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Abstract
We describe the pattern of change for serum lipids and apolipoproteins from 1 to 15 years of age in a cohort of 128 children, supplemented with 215 children from 11 years of age and 243 at 13 years of age. Total cholesterol (TC) decreased after infancy, increased in early puberty and then decreased to 15 years of age. Reciprocal changes in high (HDLC) and low (LDLC) density lipoprotein cholesterol occurred during each interval, with HDLC increasing from 13 to 15 years in both sexes. The correlation for TC between children of both sexes and mothers and fathers varied from 0.1 to 0.28 at 2-13 years. At 15 years of age the correlation between mothers: daughters increased to 0.31, decreased to 0.19 for fathers: daughters, but no asssociation was present between either parent and their sons. There were no differences in mean lipid values for the sample grouped according to the extent of family history of early ischaemic heart disease (before 60 years of age). There were few significant associations between serum lipids, energy and nutrients. At 15 years of age inverse associations were present between TC and energy, protein, sugar, starch and fibre intakes, and a positive association with total fat intake.Adolescence, apolipoproteins, cholesterol, diet, heredity, ischaemic heart disease, lipoprotein (a), lipoproteins, puberty