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Prospective associations between problematic eating attitudes in midchildhood and the future onset of adolescent obesity and high blood pressure.

Prospective associations between problematic eating attitudes in midchildhood and the future onset of adolescent obesity and high blood pressure.
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Wade KH, Kramer MS, Oken E, Timpson NJ, Skugarevsky O, Patel R, Bogdanovich N, Vilchuck K, Davey Smith G, Thompson J, Martin RM,


Wade KH, Kramer MS, Oken E, Timpson NJ, Skugarevsky O, Patel R, Bogdanovich N, Vilchuck K, Davey Smith G, Thompson J, Martin RM, (click to view)

Wade KH, Kramer MS, Oken E, Timpson NJ, Skugarevsky O, Patel R, Bogdanovich N, Vilchuck K, Davey Smith G, Thompson J, Martin RM,

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The American journal of clinical nutrition 2016 12 14105(2) 306-312 doi 10.3945/ajcn.116.141697
Abstract
BACKGROUND
Clinically diagnosed eating disorders may have adverse cardiometabolic consequences, including overweight or obesity and high blood pressure. However, the link between problematic eating attitudes in early adolescence, which can lead to disordered eating behaviors, and future cardiometabolic health is, to our knowledge, unknown.

OBJECTIVE
We assessed whether variations in midchildhood eating attitudes influence the future development of overweight or obesity and high blood pressure.

DESIGN
Of 17,046 children who participated in the Promotion of Breastfeeding Intervention Trial (PROBIT), we included 13,557 participants (79.5% response rate) who completed the Children’s Eating Attitudes Test (ChEAT) at age 11.5 y and in whom we measured adiposity and blood pressure at ages 6.5, 11.5, and 16 y. We assessed whether ChEAT scores ≥85th percentile (indicative of problematic eating attitudes) compared with scores <85th percentile at age 11.5 y were associated with new-onset overweight, obesity, high systolic blood pressure, or high diastolic blood pressure between midchildhood and early adolescence. RESULTS
After controlling for baseline sociodemographic confounders, we observed positive associations of problematic eating attitudes at age 11.5 y with new-onset obesity (OR: 2.18; 95% CI: 1.58, 3.02), new-onset high systolic blood pressure (OR: 1.34; 95% CI: 1.05, 1.70), and new-onset high diastolic blood pressure (OR: 1.25; 95% CI: 0.99, 1.58) at age 16 y. After further controlling for body mass index at age 6.5 y, problematic eating attitudes remained positively associated with new-onset obesity (OR: 1.80; 95% CI: 1.28, 2.53); however, associations with new-onset high blood pressure were attenuated (OR: 1.14; 95% CI: 0.89, 1.45 and OR: 1.09; 95% CI: 0.86, 1.39 for new-onset systolic and diastolic blood pressure, respectively).

CONCLUSIONS
Problematic eating attitudes in midchildhood seem to be related to the development of obesity in adolescence, a relatively novel observation with potentially important public health implications for obesity control. PROBIT was registered at clinicaltrials.gov as NCT01561612 and isrctn.com as ISRCTN37687716.

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