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Title: Relationship between BMI with percentage body fat and obesity in Singaporean adults – The Yishun Study
Authors: Chen, Kexun Kenneth
Wee, Shiou-Liang 
Pang, Benedict Wei Jun
Lau, Lay Khoon
Jabbar, Khalid Abdul
Seah, Wei Ting
Ng, Tze Pin 
Keywords: BMI
Percentage body fat
Issue Date: 1-Jun-2021
Publisher: BioMed Central Ltd
Citation: Chen, Kexun Kenneth, Wee, Shiou-Liang, Pang, Benedict Wei Jun, Lau, Lay Khoon, Jabbar, Khalid Abdul, Seah, Wei Ting, Ng, Tze Pin (2021-06-01). Relationship between BMI with percentage body fat and obesity in Singaporean adults – The Yishun Study. BMC Public Health 21 (1) : 1030. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: Background: The main aim of this study was to the determine relationship between Body Mass Index (BMI) and percentage body fat (BF%) in Singaporean adults, derive a prediction model to estimate BF%, and to report population BF%. The secondary aim was to determine the prevalence of overweight and obesity based on BF% threshold and the new risk categories for obesity in Singaporean population. Methods: This was a population-based study of 542 community-dwelling Singaporeans (21–90 years old, 43.1% men). Anthropometry and body composition were assessed. Relationship between BMI and BF% were analysed using multiple regression models. Prevalence of overweight and obesity were estimated using WHO and Singapore Ministry of Health (MOH) Clinical Practice Guidelines for BMI classification, and BF% cut-off points of 25 and 35% for men and women respectively. Results: We derived a prediction model to estimate BF% based on BMI, age and sex. The current cohort of Singaporeans when compared to Caucasians in the US and Europe as well as a Singapore cohort from 20 years age have higher BF% when matched for BMI, age, and sex. The overall population-adjusted prevalence of obesity according to WHO International classification (BMI ?30 kg/m2) was 12.9% (14.9% men; 11.0% women); and 26.6% (30.7% men; 22.8% women) according to the MOH classification (BMI ?27.5 kg/m2). However, using the BF% cut-off (> 25% for men and > 35% for women) resulted in very high prevalence of obesity of 82.0% (80.2% men; 83.8% women). Conclusion: There is a large discrepancy between BF% and BMI measured obesity in Singaporean adults. The results confirmed that Singaporean adults have higher BF% at lower BMI compared to US and Europe white counterparts; and that BF% in our population has increased over two decades. © 2021, The Author(s).
Source Title: BMC Public Health
ISSN: 1471-2458
DOI: 10.1186/s12889-021-11070-7
Rights: Attribution 4.0 International
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