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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Urbanization, physical activity, and metabolic health in sub-Saharan Africa
Diabetes Care, Volume 34, No. 2, Year 2011
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Description
OBJECTIVE - We examined the independent associations between objectivelymeasured free-living physical activity energy expenditure (PAEE) and the metabolic syndrome in adults in rural and urban Cameroon. RESEARCH DESIGN AND METHODS - PAEE was measured in 552 rural and urban dwellers using combined heart rate and movement sensing over 7 continuous days. The metabolic syndrome was defined using the National Cholesterol Education Program-Adult Treatment Panel III criteria. RESULTS - Urban dwellers had a significantly lower PAEE than rural dwellers (44.2±21.0 vs. 59.6 ± 23.7 kJ/kg/day, P < 0.001) and a higher prevalence of the metabolic syndrome (17.7 vs. 3.5%, P < 0.001). In multivariate regression models adjusted for possible confounders, each kJ/kg/day of PAEE was associated with a 2.1% lower risk of prevalent metabolic syndrome (odds ratio 0.98, P = 0.03). This implies a 6.5 kJ/kg/day difference in PAEE, equivalent to 30 min/day of brisk walking, corresponds to a 13.7% lower risk of prevalent metabolic syndrome. The population attributable fraction of prevalent metabolic syndrome due to being in the lowest quartile of PAEE was 26.3% (25.3% in women and 35.7% in men). CONCLUSIONS - Urban compared with rural residence is associated with lower PAEE and higher prevalence of metabolic syndrome. PAEE is strongly independently associated with prevalent metabolic syndrome in adult Cameroonians. Modest population-wide changes in PAEE may have significant benefits in terms of reducing the emerging burden of metabolic diseases in sub-Saharan Africa. © 2011 by the American Diabetes Association.
Authors & Co-Authors
Assah, Felix Kembe
United Kingdom, Cambridge
Addenbrooke's Hospital
Cameroon, Yaounde
Université de Yaoundé I
Ekelund, Ulf G.
United Kingdom, Cambridge
Addenbrooke's Hospital
Brage, Sören
United Kingdom, Cambridge
Addenbrooke's Hospital
Mbanya, J. C.
Cameroon, Yaounde
Université de Yaoundé I
Wareham, Nicholas J.
United Kingdom, Cambridge
Addenbrooke's Hospital
Statistics
Citations: 190
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.2337/dc10-0990
ISSN:
01495992
e-ISSN:
19355548
Research Areas
Noncommunicable Diseases
Study Design
Cross Sectional Study
Case-Control Study
Study Locations
Cameroon
Participants Gender
Male
Female