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GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE
A Journal on Internal Medicine and Pharmacology
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Scopus, Emerging Sources Citation Index
Gazzetta Medica Italiana Archivio per le Scienze Mediche 2011 August;170(4):225-8
Can waist circumference be estimated from BMI in Nigerian children?
Goon D. T. 1, Toriola A. L. 2, Shaw B. S. 2, Akinyemi O. 3
1 Centre for Biokinetics, Recreation and Sport Science, University of Venda, Thohoyandou, South Africa
2 Department of Sport, Rehabilitation and Dental Science, Tshwane University of Technology, Pretoria, South Africa
3 Department of Statistics, University of Venda, Thohoyandou, South Africa
Aim. There is increased recognition of waist circumference (WC) as a risk factor for adverse chronic medical conditions, and as a better marker in the diagnosis of metabolic syndrome in children than body mass index (BMI). As important as this anthropometric index may appears it is not commonly measured in schools as BMI. Thus unlike BMI, data on WC is scarce. Therefore, we investigated whether there is an alternative way to estimate WC even in those children whose WC measurement has not been taken. We evaluated the relationship between BMI and the WC of schoolchildren attending public primary schools in Makurdi, Nigeria.
Methods. We collected data on 2015 Nigerian children attending public primary schools in Makurdi, Nigeria. Height, weight and WC measurements were taken.
Results. There was a significant linear (though weak) relationship between BMI and WC observed in each age-and sex-stratified group [(9-10-year-old boys: waist = 54.17 + 0.28BMI (r = 0.12, p < 0.01); 9-10-year-old girls: waist = 48.59 + 0.65BMI (r = 0.31, p < 0.001); 11-12-year-old boys: waist = 56.42 + 0.30BMI (r = 0.15, p < 0.001); 11-12-year-old girls: waist = 53.68 + 0.55BMI (r = 0.29, p < 0.001)].
Conclusion. The result indicates the possibility of estimating WC from height and weight, at least among those age groups of children in Nigeria. The present study further extends a previous finding that WC could be an alternative way and practical in screening childhood metabolic syndrome or obesity disease in which a waist circumference figure is essential.