Vieillissement et pathologies chroniques au Sénégal. Comparaison entre des populations vivant en milieu rural (Ferlo) et urbain (Dakar)

Duboz, Priscilla; Touré, M.; Hane, Fatoumata; Macia, Enguerran; Coumé, M.; Ba, Alaev; Boëtsch, Gilles; Guéye, Lamine; Chapuis-Lucciani, Nicole

doi:10.1007/s13149-014-0397-y

Cited by 7 publications

(9 citation statements)

References 11 publications

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“…Of the 34 included studies, five [42, 44–46, 56] did not provide information on how blood pressure was measured. Studies that did, only provided scant information which showed differences in the protocol in terms of the number of visits at which blood pressure was measured, frequency of measurements per visit, the readings used in the analysis, the posture of the subject and the part of the body on which measurements were taken (Table 2).…”

Section: Resultsmentioning

confidence: 99%

“…Using the Hoy tool [30], we determined that eight studies had a high risk of biased estimate [44, 46, 51, 52, 54, 62, 65, 66] and nine studies [40, 47, 53, 56, 57, 61, 67, 69, 70] had a moderate-risk of bias while the remaining 17 studies had low risk of bias (S5 Table). The pooled prevalence of hypertension did not differ by the study’s evaluated risk of bias (S2 Fig).…”

Section: Resultsmentioning

confidence: 99%

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Hypertension in older adults in Africa: A systematic review and meta-analysis

et al. 2019

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Background Hypertension is the leading driver of cardiovascular disease deaths in Africa. Its prevalence is highest in older populations. Yet, this group has received little attention in many African countries. We conducted a systematic review and meta-analysis (PROSPERO registration: CRD42017056474) to estimate the prevalence of hypertension in older adults living in Africa. Methods We searched grey literature and major electronic databases including PubMed and Embase for population-based studies and published between 1 January 1980 to 28 May 2018 reporting the prevalence of hypertension for adults aged ≥50 years living in Africa. We employed a random effects model to estimate the pooled prevalence across included studies. Findings We screened 10,719 articles and retrieved 103 full-text articles to evaluate for inclusion in the review. Thirty-four unique studies providing 37 data points on 43,025 individuals in 15 African countries were analyzed. The prevalence of hypertension ranged from 22.3% to 90.0% from the individual studies while the overall pooled prevalence was 57.0% (95% CI 52%-61%). The prevalence was not statistically significantly different by sex, residence, or African sub-region. In individual studies, older age and overweight/obesity were independently associated with hypertension. Twenty-nine (78%) data points were deemed to be of low- or moderate-risk of bias. Eliminating high-risk bias studies made little difference to the pooled estimate of hypertension. Sensitivity analyses, omitting one study at a time, identified three studies with significant but relatively small impact on the pooled estimate. We observed substantial heterogeneity (I 2 = 98.9%) across the studies which was further explored by meta-regression analyses. Overall, the GRADE assessment suggested moderate quality evidence in the results. Conclusion The persistent high prevalence of hypertension among older adults in Africa, even in rural populations warrants more attention to the cardiovascular health of this group by public health authorities.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Hypertension in older adults in Africa: A systematic review and meta-analysis

et al. 2019

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“…Residence In studies in which the residential distribution of the prevalence of hypertension was reported, it was higher in urban than in rural areas by up to 15 percentage points [22, 24, 31, 36, 43]. In one study in Nigeria, the prevalence increased along a gradient from rural, semi-urban to urban areas [37].…”

Section: Resultsmentioning

confidence: 99%

Determinants of systemic hypertension in older adults in Africa: a systematic review

Bosu

Aheto

Zucchelli

et al. 2019

BMC Cardiovasc Disord

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Background An estimated 55% of older adults in Africa have systemic hypertension, a major risk factor for stroke, heart failure and dementia in the region. The risk factors associated with hypertension in this population group in Africa have not been systematically evaluated. We, therefore, undertook a systematic review to identify these risk factors. Methods We searched for population-based studies of adults aged ≥50 years living in Africa and reporting an estimate of hypertension and associated risk factors. We included articles published in any language between January 1980 and May 2018 using a comprehensive search strategy. We extracted data including the sample characteristics, prevalence of hypertension and risk factors with their effect sizes. Results From an initial 10,719 records, we retained 63 eligible full text articles for review out of which we analyzed 23 studies made up of 19 primary and four multiple publications which had data on risk factors from bivariate or multivariable analysis. The primary studies, published from 2010 to 2018, involved a total of 30,500 participants in 12 different countries with mean ages ranging from 62.7 ± 9 years to 76.9 ± 8.4 years. Through narrative synthesis, we found consistent determinants of hypertension (overweight/obesity and history of stroke), less consistent but frequent determinants (including older age group, female sex and urban residence), inconsistent determinants (including education, wealth index, alcohol intake and physical activity) and nonsignificant covariates (marital status and having health insurance). Overall, the highest adjusted odds ratios were those associated with obesity and history of stroke. Conclusion The key determinants of systemic hypertension in older adults in Africa are older age group, overweight/obesity, history of stroke and female sex. Health programmes should promote weight reduction throughout the life course, including during the middle and older age of African adults. Electronic supplementary material The online version of this article (10.1186/s12872-019-1147-7) contains supplementary material, which is available to authorized users.

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“…7,19,20 The study found no rural–urban associations for arthritis, asthma, lung disease, low vision, stroke and/or angina and hypertension, while previous studies found an association between urban residence and asthma morbidity, 15,16 chronic lung disease, 16 stroke, 16 angina 16 and hypertension. 16,17…”

Section: Discussionmentioning

confidence: 99%

“…Among older adults, urban residence has been found to be associated with a higher prevalence of asthma morbidity, 15 chronic lung disease, 16 stroke, 17 angina, 16 hypertension 16,17 and diabetes. 7,15,16,18 Several studies found a higher prevalence of underweight or malnutrished among rural people rather than urban older adults.…”

Section: Introductionmentioning

confidence: 99%

Rural–urban health disparities among older adults in South Africa

Peltzer

Phaswana‐Mafuya

Pengpid

2019

Afr. j. prim. health care fam. med.

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Background There are limited studies assessing rural–urban disparities among older adults in Africa including South Africa. Aim This study explores rural–urban health disparities among older adults in a population-based survey in South Africa. Setting Data for this study emanated from the 2008 study on ‘Global Ageing and Adult Health (SAGE) wave 1’ ( N = 3280) aged 50 years or older in South Africa. Methods Associations between exposure variables and outcome variables (health status variables and chronic conditions) were examined through bivariate analyses and multivariable logistic regression. Results Rural dwellers were more likely to be older, black African and had lower education and wealth than urban dwellers. Rural and urban dwellers reported a similar prevalence of self-rated health status, quality of life, severe functional disability, arthritis, asthma, lung disease, hypertension, obesity, underweight, stroke and/or angina, low vision, depression, anxiety and nocturnal sleep problems. Adjusting for socio-demographic and health risk behaviour variables, urban dwellers had a higher prevalence of diabetes (OR: 2.36, 95% CI: 1.37, 4.04), edentulism (OR: 2.79, 95% CI: 1.27, 6.09) and cognitive functioning (OR: 1.91, 95% CI: 1.27, 2.85) than rural dwellers. Conclusion There are some rural–urban health disparities in South Africa, that is, urban dwellers had a higher prevalence of diabetes, edentulism and cognitive functioning than rural ones. Understanding these rural–urban health variations may help in developing better strategies to improve health across geolocality in South Africa.

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Vieillissement et pathologies chroniques au Sénégal. Comparaison entre des populations vivant en milieu rural (Ferlo) et urbain (Dakar)

Cited by 7 publications

References 11 publications

Hypertension in older adults in Africa: A systematic review and meta-analysis

Hypertension in older adults in Africa: A systematic review and meta-analysis

Determinants of systemic hypertension in older adults in Africa: a systematic review

Rural–urban health disparities among older adults in South Africa

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