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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Evaluation of waist-to-height ratio to predict 5 year cardiometabolic risk in sub-Saharan African adults
Nutrition, Metabolism and Cardiovascular Diseases, Volume 24, No. 8, Year 2014
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Description
Background and aims: Simple, low-cost central obesity measures may help identify individuals with increased cardiometabolic disease risk, although it is unclear which measures perform best in African adults. We aimed to: 1) cross-sectionally compare the accuracy of existing waist-to-height ratio (WHtR) and waist circumference (WC) thresholds to identify individuals with hypertension, pre-diabetes, or dyslipidaemia; 2) identify optimal WC and WHtR thresholds to detect CVD risk in this African population; and 3) assess which measure best predicts 5-year CVD risk. Methods and results: Black South Africans (577 men, 942 women, aged >30years) were recruited by random household selection from four North West Province communities. Demographic and anthropometric measures were taken. Recommended diagnostic thresholds (WC > 80 cm for women, >94 cm for men; WHtR > 0.5) were evaluated to predict blood pressure, fasting blood glucose, lipids, and glycated haemoglobin measured at baseline and 5 year follow up. Women were significantly more overweight than men at baseline (mean body mass index (BMI) women 27.3 ± 7.4 kg/m2, men 20.9 ± 4.3 kg/m2); median WC women 81.9 cm (interquartile range 61-103), men 74.7 cm (63-87 cm), all P < 0.001). In women, both WC and WHtR significantly predicted all cardiometabolic risk factors after 5 years. In men, even after adjusting WC threshold based on ROC analysis, WHtR better predicted overall 5-year risk. Neither measure predicted hypertension in men. Conclusions: The WHtR threshold of >0.5 appears to be more consistently supported and may provide a better predictor of future cardiometabolic risk in sub-Saharan Africa. © 2014 Elsevier B.V.
Authors & Co-Authors
Ware, Lisa J.
South Africa, Potchefstroom
North-west University
Rennie, Kirsten L.
United Kingdom, Hatfield
University of Hertfordshire
Kruger, Herculina S.
South Africa, Potchefstroom
North-west University
Kruger, Iolanthé M.
South Africa, Potchefstroom
North-west University
Greeff, Minrie
South Africa, Potchefstroom
North-west University
Fourie, Carla M. T. Maria Theresia
South Africa, Potchefstroom
North-west University
Huisman, Hugo Willem
South Africa, Potchefstroom
North-west University
Scheepers, Jacobus De Wet
South Africa, Potchefstroom
North-west University
Uys, Aletta Sophia
South Africa, Potchefstroom
North-west University
Kruger, Ruan
South Africa, Potchefstroom
North-west University
van Rooyen, Johannes Marthinus
South Africa, Potchefstroom
North-west University
Schutte, Rudolph
South Africa, Potchefstroom
North-west University
Schutte, Aletta E.
South Africa, Potchefstroom
North-west University
Statistics
Citations: 56
Authors: 13
Affiliations: 2
Identifiers
Doi:
10.1016/j.numecd.2014.02.005
ISSN:
09394753
e-ISSN:
15903729
Research Areas
Noncommunicable Diseases
Study Design
Cross Sectional Study
Participants Gender
Male
Female