Mapping the Burden of Hypertension in South Africa
A Comparative Analysis of the National 2012 Sanhanes and the 2016 Demographic and Health Survey
Bibliographic Data
| ID | 15466950 |
|---|---|
| Authors | Ngianga‐bakwin Kandala (0000-0002-5654-5486, University of the Witwatersrand, corresponding author), Chibuzor Christopher Nnanatu (0000-0002-5841-3700, Nnamdi Azikiwe University), Natisha Dukhi (0000-0001-9557-7424, Human Sciences Research Council), Ronel Sewpaul (0000-0002-2523-1222, Human Sciences Research Council), Alicia Davids (0000-0001-6898-2344, Human Sciences Research Council), Adlai Davids (Human Sciences Research Council), P Reddy (0000-0002-0432-9060, Human Sciences Research Council) |
| Year | 2021 |
| Volume | 18 |
| Issue | 10 |
| Pages | 5445-5445 |
| Publication date | 2021-05-19 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Environmental Research and Public Health (JOURNAL) |
| Journal identifiers | ISSN: 1661-7827 • E-ISSN: 1660-4601 |
| Publisher | Multidisciplinary Digital Publishing Institute (PUBLISHER • CH) |
| DOI | 10.3390/ijerph18105445 |
| PMID | 34069668 |
| OpenAlex | W3162791287 |
| Language | EN |
| Citations received | 11 |
| References cited | 20 |
This study investigates the provincial variation in hypertension prevalence in South Africa in 2012 and 2016, adjusting for individual level demographic, behavioural and socio-economic variables, while allowing for spatial autocorrelation and adjusting simultaneously for the hierarchical data structure and risk factors. Data were analysed from participants aged ≥15 years from the South African National Health and Nutrition Examination Survey (SANHANES) 2012 and the South African Demographic and Health Survey (DHS) 2016. Hypertension was defined as blood pressure ≥ 140/90 mmHg or self-reported health professional diagnosis or on antihypertensive medication. Bayesian geo-additive regression modelling investigated the association of various socio-economic factors on the prevalence of hypertension across South Africa's nine provinces while controlling for the latent effects of geographical location. Hypertension prevalence was 38.4% in the SANHANES in 2012 and 48.2% in the DHS in 2016. The risk of hypertension was significantly high in KwaZulu-Natal and Mpumalanga in the 2016 DHS, despite being previously nonsignificant in the SANHANES 2012. In both survey years, hypertension was significantly higher among males, the coloured population group, urban participants and those with self-reported high blood cholesterol. The odds of hypertension increased non-linearly with age, body mass index (BMI), waist circumference. The findings can inform decision making regarding the allocation of public resources to the most affected areas of the population
Environmental health · Geography · Blood Pressure and Hypertension Studies · Global Health and Epidemiology · Global Public Health Policies and Epidemiology · Medicine
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| Citations per year | 2.75 |
|---|---|
| Citation span | 2022 - 2025 (4) |
| Highly cited | No |