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Charlotte M Wright a Donald Court House, University of
Newcastle upon Tyne, Gateshead NE8 1EB, b Sir James
Spence Institute of Child Health, University of Newcastle upon Tyne,
Royal Victoria Infirmary, Newcastle NE1 4LP, c 24 Seymour Lane, Alford,
Lincolnshire, LN13 9AP
Correspondence to: C M Wright C.M.Wright{at}Newcastle.ac.uk
Objective:
To determine whether being overweight in
childhood increases adult obesity and risk of disease.
What is already known on this topic
What this study adds
Design:
Prospective cohort study.
Setting:
City of Newcastle upon Tyne.
Participants:
932 members of thousand families 1947 birth cohort, of whom 412 attended for clinical examination age 50.
Main outcome measures:
Blood pressure; carotid artery
intima-media thickness; fibrinogen concentration; total, low density
lipoprotein, and high density lipoprotein cholesterol concentrations;
triglyceride concentration; fasting insulin and 2 hour glucose
concentrations; body mass index; and percentage body fat.
Results:
Body mass index at age 9 years was
significantly correlated with body mass index age 50 (r=0.24, P<0.001) but not with percentage body fat age 50 (r=0.10, P=0.07). After adult body mass index had been
adjusted for, body mass index at age 9 showed a significant inverse
association with measures of lipid and glucose metabolism in both sexes
and with blood pressure in women. However, after adjustment for
adult percentage fat instead of body mass index, only the inverse
associations with triglycerides (regression coefficient=
0.21,
P<0.01) and total cholesterol (
0.17, P<0.05) in women remained significant.
Conclusions:
Little tracking from childhood overweight to adulthood obesity was found when using a measure of fatness that was
independent of build. Only children who were obese at 13 showed an
increased risk of obesity as adults. No excess adult health risk from
childhood or teenage overweight was found. Being thin in childhood
offered no protection against adult fatness, and the thinnest children
tended to have the highest adult risk at every level of adult obesity.
Many studies have found that body mass index in childhood is
significantly correlated with body mass index in adulthood
No excess health risk from childhood overweight was found
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