Defining anthropometric cut-off levels related to metabolic risk in a group of Sri Lankan children

Wickramasinghe, V. P., Lamabadusuriya, S. P., Cleghorn, G. J., & Davies, P. S. W. (2011) Defining anthropometric cut-off levels related to metabolic risk in a group of Sri Lankan children. Annals of Human Biology, 38(5), pp. 537-543.

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Background: Body mass index (BMI) is widely used as a measure of adiposity. However, currently used cut-off values are not sensitive in diagnosing obesity in South Asian populations.

Aim: To define BMI and waist circumference (WC), cut-off values representing percentage fat mass (%FM) associated with adverse health outcomes.

Subjects and methods: A cross-sectional descriptive study of 285 5–14 year old Sri Lankan children (56% boys) was carried out. Fat mass (FM) was assessed using the isotope (D2O) dilution technique based on 2C body composition model. BMI and WC cut-off values were defined based on %FM associated with adverse health outcomes.

Results: Sri Lankan children had a low fat free mass index (FFMI) and a high fat mass index (FMI). Individuals with the same BMI had %FM distributed over a wide range. Lean body tissue grew very little with advancing age and weight gain was mainly due to increases in body fat. BMI corresponding to 25% in males and 35% in females at 18 years was 19.2 kg/m2 and 19.7 kg/m2, respectively. WC cut-off values for males and females were 68.4 cm and 70.4 cm, respectively.

Conclusion: This chart analysis clearly confirms that Sri Lankan children have a high %FM from a young age. With age, more changes occur in FM than in fat free mass (FFM). Although the newly defined BMI and WC cut-off values appear to be quite low, they are comparable to some recent data obtained in similar populations.

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ID Code: 87201
Item Type: Journal Article
Refereed: No
Additional Information: Early Online May 3, 2011
Keywords: BMI cut-off, Fat mass, Hattori chart, Sri Lankan children, Waist circumference cut-off
DOI: 10.3109/03014460.2011.573505
ISSN: 0301-4460
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Copyright Owner: Taylor & Francis Ltd
Deposited On: 02 Sep 2015 02:33
Last Modified: 03 Sep 2015 00:56

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