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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Deriving an optimal threshold of waist circumference for detecting cardiometabolic risk in sub-Saharan Africa
International Journal of Obesity, Volume 42, No. 3, Year 2018
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Description
Background:Waist circumference (WC) thresholds derived from western populations continue to be used in sub-Saharan Africa (SSA) despite increasing evidence of ethnic variation in the association between adiposity and cardiometabolic disease and availability of data from African populations. We aimed to derive a SSA-specific optimal WC cut-point for identifying individuals at increased cardiometabolic risk.Methods:We used individual level cross-sectional data on 24 181 participants aged©3/415 years from 17 studies conducted between 1990 and 2014 in eight countries in SSA. Receiver operating characteristic curves were used to derive optimal WC cut-points for detecting the presence of at least two components of metabolic syndrome (MS), excluding WC.Results:The optimal WC cut-point was 81.2 cm (95% CI 78.5-83.8 cm) and 81.0 cm (95% CI 79.2-82.8 cm) for men and women, respectively, with comparable accuracy in men and women. Sensitivity was higher in women (64%, 95% CI 63-65) than in men (53%, 95% CI 51-55), and increased with the prevalence of obesity. Having WC above the derived cut-point was associated with a twofold probability of having at least two components of MS (age-adjusted odds ratio 2.6, 95% CI 2.4-2.9, for men and 2.2, 95% CI 2.0-2.3, for women).Conclusion:The optimal WC cut-point for identifying men at increased cardiometabolic risk is lower (3/481.2 cm) than current guidelines (3/494.0 cm) recommend, and similar to that in women in SSA. Prospective studies are needed to confirm these cut-points based on cardiometabolic outcomes.
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Authors & Co-Authors
Ekoru, Kenneth
United Kingdom, Cambridge
School of Clinical Medicine
United Kingdom, Hinxton
Wellcome Sanger Institute
Murphy, Georgina A.V.
United Kingdom, Oxford
Nuffield Department of Medicine
Young, Elizabeth H.
United Kingdom, Cambridge
School of Clinical Medicine
United Kingdom, Hinxton
Wellcome Sanger Institute
Delisle, Hélène F.
Canada, Montreal
University of Montreal
Sossa, Charles Sossa
Benin, Cotonou
University of Abomey-calavi
Assah, Felix Kembe
Cameroon, Yaounde
Université de Yaoundé I
Longo-Mbenza, Benjamin Ben I.Sasa
South Africa
Walter Sisulu University
Nzambi, J. P.D.
Democratic Republic Congo, Kinshasa
Universite de Kinshasa
On'Kin, J. B.K.
Democratic Republic Congo, Kinshasa
Universite de Kinshasa
Buntix, F.
Belgium, Leuven
Ku Leuven
Muyer, Muel Telo Marie Claire
Democratic Republic Congo, Kinshasa
Universite de Kinshasa
Christensen, Dirk Lund
Denmark, Copenhagen
Københavns Universitet
Wesseh, Chea Sanford
Liberia, Monrovia
Ministry of Health and Social Welfare
Sabir, Anas Ahmad
Nigeria, Sokoto
Usmanu Danfodiyo University
Okafor, Christian I.
Nigeria, Naukka
University of Nigeria
Gezawa, Ibrahim Danjummai
Nigeria, Kano
Aminu Kano Teaching Hospital
Puepet, Fabian H.
Nigeria, Jos
University of Jos
Enang, Ofem Egbe
Nigeria, Calabar
University of Calabar
Raimi, Taiwo Hussean
Nigeria, Ado-ekiti
Ekiti State University
Ohwovoriole, Efedaye
Nigeria, Lagos
University of Lagos
Oladapo, Oludolapo Olutoyin
Nigeria, Ibadan
University College Hospital, Ibadan
Bovet, Pascal
Switzerland, Lausanne
Institut Universitaire de Médecine Sociale et Préventive Lausanne
Mollentze, Willie F.
South Africa, Bloemfontein
University of the Free State
Unwin, Nigel C.
United Kingdom, Cambridge
University of Cambridge
Gray, William Keith
United Kingdom, North Shields
North Tyneside General Hospital
Walker, Richard William
United Kingdom, North Shields
North Tyneside General Hospital
United Kingdom, Newcastle
University of Newcastle Upon Tyne, Faculty of Medical Sciences
Agoudavi, Kokou
Togo, Lome
Ministry of Health
Siziya, S.
Zambia, Kitwe
Copperbelt University
Chifamba, Jephat
Zimbabwe, Harare
University of Zimbabwe
Njelekela, Marina Alois
Tanzania, Dar es Salaam
Muhimbili University of Health and Allied Sciences
Fourie, Carla M. T. Maria Theresia
South Africa, Potchefstroom
North-west University
Kruger, Herculina S.
South Africa, Potchefstroom
North-west University
Schutte, Aletta E.
South Africa, Potchefstroom
North-west University
Walsh, Corinna May
South Africa, Bloemfontein
University of the Free State
Gareta, Dickman
South Africa, Durban
University of Kwazulu-natal
Kamali, Anatoli
United Kingdom, London
Medical Research Council
Seeley, Janet A.
United Kingdom, London
Medical Research Council
Norris, Shane A.
South Africa, Johannesburg
University of the Witwatersrand
Crowther, Nigel John
South Africa, Johannesburg
School of Clinical Medicine
Morris, Lynn G.
South Africa, Durban
University of Kwazulu-natal
Kaleebu, Pontiano P.
United Kingdom, London
Medical Research Council
Motala, Ayesha A.
South Africa, Durban
The Nelson R. Mandela Medical School
Sandhu, Manjinder Singh
United Kingdom, Cambridge
School of Clinical Medicine
United Kingdom, Hinxton
Wellcome Sanger Institute
Statistics
Citations: 54
Authors: 43
Affiliations: 34
Identifiers
Doi:
10.1038/ijo.2017.240
ISSN:
03070565
e-ISSN:
14765497
Research Areas
Noncommunicable Diseases
Study Design
Cross Sectional Study
Cohort Study
Case-Control Study
Participants Gender
Male
Female