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1.  PREDICTING ADULT METABOLIC SYNDROME FROM CHILDHOOD BODY MASS INDEX 
Archives of disease in childhood  2008;94(10):768-774.
Objectives
To assess whether serial measurements of childhood body mass index (BMI) give clinically useful predictions of the risk of developing adult metabolic syndrome and impaired glucose tolerance or type 2 diabetes.
Design/setting
Follow-up of a community-based birth cohort in Delhi, India.
Participants
1,492 men and women aged 26-32 years whose BMI was recorded 6-monthly throughout childhood.
Main outcome measures
The predictive value of childhood BMI for adult metabolic syndrome (MS) defined using waist circumference, blood pressure and fasting glucose, triglyceride and HDL-cholesterol concentrations, and impaired glucose tolerance (IGT) and diabetes (DM) diagnosed by oral glucose tolerance tests.
Results
Twenty-five percent of subjects had MS and 15% had IGT/DM. Both outcomes were associated with greater childhood BMI gain (MS: OR 1.63 [95% CI 1.44 to 1.85]; IGT/DM: 1.39 [1.20 to 1.60] per unit increase in within-cohort BMI SD-score between 5-14 years). Best predictions of adult disease were obtained using a combined test comprising i) any increase in BMI SD-score between 5-14 years and ii) a BMI SD-score >0 at 14 years (MS: sensitivity 45%, specificity 78%; IGT/DM: 37%, 73%). Likelihood ratios were low (MS: 1.4-2.0; IGT/DM: 1.2-1.4). A single high BMI measurement at 14 years (overweight or obese, International Obesity Task Force criteria) was highly specific but insensitive (MS: sensitivity 7%, specificity 97%; IGT/DM: 8%, 97%). Charts for plotting BMI SD-scores through childhood were produced.
Conclusions
Serial measurements of childhood BMI give useful predictions of adult risk and could guide advice to children and parents on preventing later disease.
doi:10.1136/adc.2008.140905
PMCID: PMC2749731  PMID: 19015213
Childhood body mass index; type 2 diabetes; metabolic syndrome; predictions

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