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Updated: May 19, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Differences in body composition and metabolic status between white U.K. and Asian Indian children (EarlyBird 24 and
S Lakshmi1, B Metcalf, C Joglekar
1Department of Endocrinology & Metabolism, Peninsula Medical School, Plymouth Campus, UK.
Insights
Asian Indian children exhibit a "thin-fat" phenotype with higher body fat and insulin resistance compared to white UK children, despite lower BMIs. This metabolic profile persists even after adjusting for adiposity.
Area of Science:
- Pediatric Endocrinology
- Metabolic Health
- Body Composition Analysis
Background:
- The 'thin-fat' phenotype is recognized in Indian infants but poorly studied in older children.
- Limited comparative data exists on the metabolic correlates of body composition in Indian versus white children.
Purpose of the Study:
- To investigate the impact of body composition on metabolic profiles.
- To compare Asian Indian and white UK children regarding body fat percentage and metabolic health.
Main Methods:
- Measured Body Mass Index (BMI), waist circumference, skin-folds, and % body fat (dual-energy X-ray absorptiometry).
- Assessed metabolic markers: glucose, insulin, insulin resistance (Homeostasis Model Assessment), lipids, and blood pressure.
- Included 262 white UK children and 626 Indian children.
Main Results:
- Indian children had lower BMI, waist circumference, and skin-folds but higher % body fat than white UK children.
- Indian children exhibited higher fasting glucose, insulin, and insulin resistance (Homeostasis Model Assessment), independent of age and % body fat.
- These differences were statistically significant (P < 0.001).
Conclusions:
- The 'thin-fat' phenotype is present in pre-pubertal Indian children, characterized by higher adiposity despite lower BMI.
- Indian children demonstrate increased insulin resistance compared to white UK children, even when accounting for body fat percentage.
Background/Aims:
The concept of the 'thin-fat' Indian baby is well established, but there is little comparative data in older children, and none that examines the metabolic correlates. Accordingly, we investigated the impact of body composition on the metabolic profiles of Asian Indian and white U.K. children.
Methods:
Body mass index (BMI), waist circumference, sum of four skin-folds, % body fat (by dual-energy X-ray absorptiometry), glucose, insulin, insulin resistance (Homeostasis Model Assessment), trigylcerides, cholesterol [total, low-density lipoprotein, high-density lipoprotein {HDL}, total/HDL ratio] and blood pressure (systolic, diastolic and mean arterial) were measured in 262 white Caucasian children from Plymouth, U.K. (aged 6.9 ± 0.2 years, 57% male), and 626 Indian children from rural villages around Pune, India (aged 6.2 ± 0.1 years, 53% male).
Results:
Indian children had a significantly lower BMI (boys: -2.1 kg m(-2) , girls: -3.2 kg m(-2) , both P < 0.001), waist circumference (P < 0.001) and skin-fold thickness (P < 0.001) than white U.K. children, yet their % body fat was higher (boys +4.5%, P < 0.001, girls: +0.5%, P = 0.61). Independently of the differences in age and % body fat, the Indian children had higher fasting glucose (boys +0.52 mmol L(-1) , girls +0.39 mmol L(-1) , both P < 0.001), higher insulin (boys +1.69, girls +1.87 mU L(-1) , both P < 0.01) and were more insulin resistant (boys +0.25, girls +0.28 HOMA-IR units, both P < 0.001).
Conclusions:
The 'thin-fat' phenotype observed in Indian babies is also apparent in pre-pubertal Indian children who have greater adiposity than white U.K. children despite significantly lower BMIs. Indian children are more insulin resistant than white U.K. children, even after adjustment for adiposity.
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