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A comparison of the associations between adiposity and lipids in Malawi and the United Kingdom

Soares, Ana Luiza G, Banda, Louis, Amberbir, Alemayehu, Jaffar, Shabbar ORCID:, Musicha, Crispin, Price, Alison J, Crampin, Amelia C, Nyirenda, Moffat J and Lawlor, Deborah A (2020) 'A comparison of the associations between adiposity and lipids in Malawi and the United Kingdom'. BMC Medicine, Vol 18, Issue 181.

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Background: The prevalence of excess adiposity, as measured by elevated body mass index (BMI) and waist-hip ratio (WHR), is increasing in sub-Saharan African (SSA) populations. This could add a considerable burden of cardiovascular and metabolic diseases for which these populations are currently ill-prepared. Evidence from white, European origin populations shows that higher adiposity leads to an adverse lipid profile; whether these associations are similar in all SSA populations requires further exploration. This study compared the association of BMI and WHR with lipid profile in urban Malawi with a contemporary cohort with contrasting socioeconomic, demographic, and ethnic characteristics in the United Kingdom (UK).
Methods: We used data from 1248 adolescents (mean 18.7 years) and 2277 Malawian adults (mean 49.8 years), all urban-dwelling, and from 3201 adolescents (mean 17.8 years) and 6323 adults (mean 49.7 years) resident in the UK. Adiposity measures and fasting lipids were assessed in both settings, and the associations of BMI and WHR with total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C) and triglycerides (TG) were assessed by sex and age groups in both studies.
Results: Malawian female adults were more adipose and had more adverse lipid profiles than their UK counterparts. In contrast, Malawian adolescent and adult males were leaner and had more favourable lipid profiles than in the UK. Higher BMI and WHR were associated with increased TC, LDL-C and TG and reduced HDL-C in both settings. The magnitude of the associations of BMI and WHR with lipids was mostly similar or slightly weaker in the Malawian compared with the UK cohort in both adolescents and adults. One exception was the stronger
association between increasing adiposity and elevated TC and LDL-C in Malawian compared to UK men.
Conclusions: Malawian adult women have greater adiposity and more adverse lipid profiles compared with their UK counterparts. Similar associations of adiposity with adverse lipid profiles were observed for Malawian and UK adults in most age and sex groups studied. Sustained efforts are urgently needed to address the excess adiposity and adverse lipid profiles in Malawi to mitigate a future epidemic of cardio-metabolic disease among the poorest populations.

Item Type: Article
Uncontrolled Keywords: Obesity, Body mass index, Waist-hip ratio, Lipid profile, Dyslipidaemia, Sub-Saharan Africa, ALSPAC
Subjects: WA Public Health > Health Problems of Special Population Groups > WA 395 Health in developing countries
WA Public Health > Statistics. Surveys > WA 900 Public health statistics
WD Disorders of Systemic, Metabolic or Environmental Origin, etc > Metabolic Diseases > General Metabolic Diseases > WD 200 General works
Faculty: Department: Clinical Sciences & International Health > International Public Health Department
Digital Object Identifer (DOI):
Depositing User: Tina Bowers
Date Deposited: 08 Sep 2020 16:05
Last Modified: 08 Sep 2020 16:05


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