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@article{Kenge:2017:ije/dyx078,
author = {Kenge, AP and Bentham, J and Zhou, B and Bixby, H and Taddei, C and Chan, Q and Elliott, P and Ezzati, M and Mbanya, JCN},
doi = {ije/dyx078},
journal = {International Journal of Epidemiology},
pages = {1421--1432},
title = {Trends in obesity and diabetes across regions in Africa from 1980 to 2014: an analysis of pooled population-based studies.},
url = {http://dx.doi.org/10.1093/ije/dyx078},
volume = {46},
year = {2017}
}

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TY  - JOUR
AB  - Background: The 2016 Dar Es Salaam Call to Action on Diabetes and other NCDs advocates national multi-sectoral NCD strategies and action plans based on available data and information from countries of sub-Saharan Africa and beyond. We estimated trends, from 1980 to 2014, in age-standardised mean body mass index (BMI) and diabetes prevalence in these countries in order to assess the co-progression and assist policy formulation.Methods: We pooled data from African and world-wide population-based studies which measured height, weight, and biomarkers to assess diabetes status in adults aged >18 years. A Bayesian hierarchical model was used to estimate trends, by sex, for 200 countries and territories including 53 countries across five African regions, (central, eastern, northern, southern and western) in mean BMI and diabetes prevalence (defined as either fasting plasma glucose of >7.0 mmol/L, history of diabetes diagnosis, or use of insulin or oral glucose control agents). ResultsAfrican data came from 245 population-based surveys (1.2 million participants) for BMI and 76 surveys (182 000 participants) for diabetes prevalence estimates. Countries with the highest number of data sources for BMI were South Africa (n=17), Nigeria (n=15) and Egypt (n=13); and for diabetes estimates, Tanzania (n=8), Tunisia (n=7), Cameroon, Egypt and South Africa (all n=6). The age-standardised mean BMI increased from 21.0 kg/m2 (95% credible interval: 20.3-21.7) to 23.0 kg/m2 (22.7-23.3) in men, and from 21.9 kg/m2 (21.3-22.5) to 24.9 kg/m2 (24.6-25.1) in women. The age-standardised prevalence of diabetes increased from 3.4% (1.5-6.3) to 8.5% (6.5-10.8) in men, and from 4.1% (2.0-7.5) to 8.9 % (6.9-11.2) in women. Estimates in northern and southern regions were mostly higher than the global average; those in central, eastern and western regions were lower than global averages. A positive association (correlation coefficient 0.9) was observed between mean BMI and diabetes prevalence
AU  - Kenge,AP
AU  - Bentham,J
AU  - Zhou,B
AU  - Bixby,H
AU  - Taddei,C
AU  - Chan,Q
AU  - Elliott,P
AU  - Ezzati,M
AU  - Mbanya,JCN
DO  - ije/dyx078
EP  - 1432
PY  - 2017///
SN  - 1464-3685
SP  - 1421
TI  - Trends in obesity and diabetes across regions in Africa from 1980 to 2014: an analysis of pooled population-based studies.
T2  - International Journal of Epidemiology
UR  - http://dx.doi.org/10.1093/ije/dyx078
UR  - http://hdl.handle.net/10044/1/48008
VL  - 46
ER  -

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