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Excess BMI in Childhood: A Modifiable Risk Factor for Type 1 Diabetes Development?


ABSTRACT:

Objective

We aimed to determine the effect of elevated BMI over time on the progression to type 1 diabetes in youth.

Research design and methods

We studied 1,117 children in the TrialNet Pathway to Prevention cohort (autoantibody-positive relatives of patients with type 1 diabetes). Longitudinally accumulated BMI above the 85th age- and sex-adjusted percentile generated a cumulative excess BMI (ceBMI) index. Recursive partitioning and multivariate analyses yielded sex- and age-specific ceBMI thresholds for greatest type 1 diabetes risk.

Results

Higher ceBMI conferred significantly greater risk of progressing to type 1 diabetes. The increased diabetes risk occurred at lower ceBMI values in children <12 years of age compared with older subjects and in females versus males.

Conclusions

Elevated BMI is associated with increased risk of diabetes progression in pediatric autoantibody-positive relatives, but the effect varies by sex and age.

SUBMITTER: Ferrara CT 

PROVIDER: S-EPMC5399656 | biostudies-literature | 2017 May

REPOSITORIES: biostudies-literature

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<h4>Objective</h4>We aimed to determine the effect of elevated BMI over time on the progression to type 1 diabetes in youth.<h4>Research design and methods</h4>We studied 1,117 children in the TrialNet Pathway to Prevention cohort (autoantibody-positive relatives of patients with type 1 diabetes). Longitudinally accumulated BMI above the 85th age- and sex-adjusted percentile generated a cumulative excess BMI (ceBMI) index. Recursive partitioning and multivariate analyses yielded sex- and age-spe  ...[more]

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