Summary Background High-resolution estimates of HIV burden across space and time provide an important tool for tracking and monitoring the progress of prevention and control efforts and assist with improving the precision and efficiency of targeting efforts. We aimed to assess HIV incidence and HIV mortality for all second-level administrative units across sub-Saharan Africa. Methods In this modelling study, we developed a framework that used the geographically specific HIV prevalence data collected in seroprevalence surveys and antenatal care clinics to train a model that estimates HIV incidence and mortality among individuals aged 15–49 years. We used a model-based geostatistical framework to estimate HIV prevalence at the second administrative level in 44 countries in sub-Saharan Africa for 2000–18 and sought data on the number of individuals on antiretroviral therapy (ART) by second-level administrative unit. We then modified the Estimation and Projection Package (EPP) to use these HIV prevalence and treatment estimates to estimate HIV incidence and mortality by second-level administrative unit. Findings The estimates suggest substantial variation in HIV incidence and mortality rates both between and within countries in sub-Saharan Africa, with 15 countries having a ten-times or greater difference in estimated HIV incidence between the second-level administrative units with the lowest and highest estimated incidence levels. Across all 44 countries in 2018, HIV incidence ranged from 2·8 (95% uncertainty interval 2·1–3·8) in Mauritania to 1585·9 (1369·4–1824·8) cases per 100 000 people in Lesotho and HIV mortality ranged from 0·8 (0·7–0·9) in Mauritania to 676·5 (513·6–888·0) deaths per 100 000 people in Lesotho. Variation in both incidence and mortality was substantially greater at the subnational level than at the national level and the highest estimated rates were accordingly higher. Among second-level administrative units, Guijá District, Gaza Province, Mozambique, had the highest estimated HIV incidence (4661·7 [2544·8–8120·3]) cases per 100 000 people in 2018 and Inhassunge District, Zambezia Province, Mozambique, had the highest estimated HIV mortality rate (1163·0 [679·0–1866·8]) deaths per 100 000 people. Further, the rate of reduction in HIV incidence and mortality from 2000 to 2018, as well as the ratio of new infections to the number of people living with HIV was highly variable. Although most second-level administrative units had declines in the number of new cases (3316 [81·1%] of 4087 units) and number of deaths (3325 [81·4%]), nearly all appeared well short of the targeted 75% reduction in new cases and deaths between 2010 and 2020. Interpretation Our estimates suggest that most second-level administrative units in sub-Saharan Africa are falling short of the targeted 75% reduction in new cases and deaths by 2020, which is further compounded by substantial within-country variability...
Introduction Dementia is currently one of the leading causes of mortality globally, and mortality due to dementia will likely increase in the future along with corresponding increases in population growth and population aging. However, large inconsistencies in coding practices in vital registration systems over time and between countries complicate the estimation of global dementia mortality. Methods We meta‐analyzed the excess risk of death in those with dementia and multiplied these estimates by the proportion of dementia deaths occurring in those with severe, end‐stage disease to calculate the total number of deaths that could be attributed to dementia. Results We estimated that there were 1.62 million (95% uncertainty interval [UI]: 0.41–4.21) deaths globally due to dementia in 2019. More dementia deaths occurred in women (1.06 million [0.27–2.71]) than men (0.56 million [0.14–1.51]), largely but not entirely due to the higher life expectancy in women (age‐standardized female‐to‐male ratio 1.19 [1.10–1.26]). Due to population aging, there was a large increase in all‐age mortality rates from dementia between 1990 and 2019 (100.1% [89.1–117.5]). In 2019, deaths due to dementia ranked seventh globally in all ages and fourth among individuals 70 and older compared to deaths from other diseases estimated in the Global Burden of Disease (GBD) study. Discussion Mortality due to dementia represents a substantial global burden, and is expected to continue to grow into the future as an older, aging population expands globally.
Introduction Although the pathophysiological mechanism of hypertension is not fully elucidated yet, a large number of pieces of evidence have shown that genetic alterations in the renin-angiotensin-aldosterone system play a central role. However, the association of insertion/deletion polymorphism of the angiotensin-converting enzyme (ACE) gene with essential hypertension is controversial yet, and there is a limited number of publications among the Ethiopian population. Therefore, this study aimed to determine the association of ACE gene I/D polymorphism with the risk of hypertension among essential hypertension patients at the University of Gondar Comprehensive Specialized Hospital, Gondar, Ethiopia. Materials and methods A case-control study was conducted from October 07, 2020, to June 02, 2021, among hypertensive patients and normotensive control groups at the University of Gondar Comprehensive Specialized Hospital. A structured questionnaire was used to collect socio-demographic data and anthropometric measurements. Five milliliters of blood were drawn from each of the randomly selected 64 hypertensive and 64 normotensive participants for molecular test analysis. Genetic polymorphism of the ACE gene was identified using polymerase chain reaction (PCR) and electrophoresis. Data analysis was done using SPSS version 25.0 software. The strength of association between the genotype and hypertension was estimated through the calculation of adjusted odds ratio and 95% confidence intervals using logistic regression. P-value < 0.05 was considered statistically significant. Result The distribution of DD genotypes and D allele of the ACE gene were 48.4% and 63% in essential hypertensive patients, respectively, while it were 29.7% and 42.2% in control subjects respectively. The ACE DD genotype (p-value = 0.005) and D allele (p-value = 0.001) were more frequent among hypertensive patients as compared to controls. Conclusion The present study found that the DD genotype and D allele of the ACE gene has had a strong association with a high risk of hypertension in the study population.
Background In many nations, the deterioration of drinking water quality is a major problem that may be caused by a variety of interrelated biological, physical, and chemical causes. Human feces, animal waste, and effluent farming activities are the main pollutants of water supplies. Even if the source is clean, the process of collecting, transporting, storing, and drawing water in the home can all lead to faecal contamination. In addition, without improved water storage and sanitation, a better water supply doesn't always result in full health benefits. Because of this, it's important to have regular quality control procedures. This study is aimed to assess the level of physioco-chemical and bacteriological quality of hosehold drinking water and its contributing factors in flood-prone settlements of South Gondar Zone, Ethiopia. Methods In villages in the South Gondar Zone that are prone to flooding, a community-based cross-sectional study was conducted from January to March 2021. Using standardized water sampling methods, samples of household water were gathered from each residence. Data on socioeconomic conditions and behavioral patterns were gathered through in-person interviews with structured questionnaires. Logistic regression models were used for both univariate and multivariate studies. Results The survey included a total of 675 households. The South Gondar Zone's settlements that are prone to flooding had a prevalence of 62.2 percent (n = 417) with [95% CI (53–60)] positive fecal coliform in household water samples. Family size [AOR = 2.205, 95% CI (1.375–3.536), latrine presence [AOR = 3.449, 95% CI (1.349–8.823)], and utilizing a separate container to draw water from its storage [AOR = 0.454, 95% CI (0.249–0.827)] are variables identified as predictors for fecal coliform contamination of household water. Conclusion In this study, there was a high proportion of fecal contamination in drinking water. The presence of fecal coliforms in household drinking water was found to be significantly related to family size, the availability of a toilet, and the usage of a separate can to draw water from its storage.
BackgroundDiarrheal illnesses are a long-standing public health problem in developing countries due to numerous sanitation issues and a lack of safe drinking water. Floods exacerbate public health issues by spreading water-borne infectious diseases such as diarrhea through the destruction of sanitation facilities and contamination of drinking water. There has been a shortage of studies regarding the magnitude of diarrheal disease in flood-prone areas. Therefore, this research aimed to evaluate the prevalence of diarrheal disease and its predictors among under-five children living in flood-prone localities in the south Gondar zone of Northwest Ethiopia.MethodA community-based cross-sectional research was carried out in flood-prone villages of the Fogera and Libokemkem districts from March 17 to March 30, 2021. Purposive and systematic sampling techniques were used to select six kebeles and 717 study units, respectively. Structured and pretested questionnaires were used to collect the data. A multivariable analysis was performed to determine the predictors of diarrheal disease, with P-value <0.05 used as the cut-off point to declare the association.ResultThe prevalence of a diarrheal disease among under-five children was 29.0%. The regular cleaning of the compound [AOR: 2.13; 95% CI (1.25, 3.62)], source of drinking water [AOR: 2.36; 95% CI: (1.26, 4.41)], animal access to water storage site [AOR: 3.04; 95% CI: (1.76, 5.24)], vector around food storage sites [AOR: 9.13; 95% CI: (4.06, 20.52)], use of leftover food [AOR: 4.31; 95% CI: (2.64, 7.04)], and fecal contamination of water [AOR: 12.56; 95% CI: (6.83, 23.20)] remained to have a significant association with diarrheal diseases.ConclusionThe present study found that the prevalence of the diarrheal disease among under-five children was high. Routine compound cleaning, the source of drinking water, animal access to a water storage site, vectors near food storage sites, consumption of leftover food, and fecal contamination of water were significant predictors of diarrheal disease. Therefore, it is advised to provide improved water sources, encourage routine cleaning of the living area, and offer health education about water, hygiene, and sanitation.
Background: Despite global interventions to prevent and control diarrhea, it remains a public health problem leading to childhood morbidity and mortality majorly in developing countries. According to the World Health Organization, data from 2021 indicated that diarrheal disease is responsible for 8% of deaths in children under the age of 5. In the world, more than 1 billion under-five children live in poverty, social exclusion, and discrimination affected by intestinal parasitic infections and diarrhea disease. In sub-Saharan African countries like Ethiopia, diarrheal diseases and parasite infections continue to cause significant and persistent morbidity and mortality in under-five children. Therefore, the purpose of this study was to assess the prevalence and associated factors of intestinal parasites and diarrheal diseases in children under the age of 5 years in Dabat District, Northwest Ethiopia in 2022. Method: A community-based, cross-sectional study was carried out from September 16 to August 18th 2022. Four hundred households with at least one child under the age of 5 years were recruited by simple random sampling technique. Sociodemographic, clinical, and behavioral factors were also collected using pretested interviewer-administered questionnaires. Data was entered into Epi-data version 3.1 and exported to Statistical Package for Social Science (SPSS) version 25 for analysis. Binary logistic regression was performed to identify factors associated with diarrhea and intestinal parasitic infections. The level of significance was computed at a P-value ⩽ .05. Descriptive statistics such as frequency and other summary statistics were used for describing sociodemographic variables and determining the prevalence of diarrhea and intestinal parasites. Tables, figures, and texts were used to present the findings. The variables having a P-value of less than .2 in the bivariable analysis were entered into the multivariable analysis at a P-value of ⩽.5. Results: According to this study, the prevalence of diarrhea and intestinal parasites among under-five children was 20.8% (95% CI: [16.8-37.8] and 32.5% (95% CI: [28.6, 37.8], respectively. In multivariable logistic analysis at a P-value of ⩽.5, the educational level of mothers (Adjusted odds ratio [AOR]: 3.7, 95% CI: [1.52, 8.95], residence (AOR: 4.7, 95% CI: [1.52, 8.09]), undernutrition (AOR: 3.6, 95% CI: [1.09, 11.3]), latrine availability (AOR:3.9, 95% CI: [1.23, 9.56]), types of the latrine (AOR: 5.9, 95% CI: [3.42, 11.66]), water treatment (AOR = 7.6; 95% CI: [6.4, 12.7]), eating uncooked vegetable or fruits (AOR = 4.6; 95% CI: [1.025, 15.2]), and source of water (AOR = 4.5; 95% CI: [2.32,8.92]) were significantly associated with diarrheal disease. Intestinal parasitic infection was also significantly associated with undernutrition (AOR = 3.9; 95% CI: [1.09, 9.67]), latrine availability (AOR = 2.1; 95% CI:[1.32, 9.32]), types of the latrine (AOR = 2.8; 95% CI: [1.92, 8.12]) residence (AOR = 4.7; 95% CI: [1.52, 8.09]), water treatment, source of water for drinking (AOR = 4.5; 95% CI: [2.32, 8.92]), eating uncooked vegetables or fruits (AOR = 6.7:95% CI: [3.9, 9.8]), and deworming children with anti-parasitic medication (AOR = 2.4; 95% CI: [1.34, 5.62]), washing hands after latrine used (AOR = 2.2: 95% CI: [1.06, 3.86]). Conclusion: The prevalence of diarrhea and intestinal parasite among under-five children was 20.8% and 32.5%, respectively. Undernutrition, latrine availability, types of latrines, residence, eating uncooked vegetables or fruits, and source of water for drinking and water treatment were associated with intestinal parasitic infection and diarrheal disease. Deworming children with antiparasitic medications and washing hands after latrine use was also significantly associated with parasitic infection. Hence, awareness creation activities on latrine utilization and building, keeping personal hygiene, safe water supply, feeding cooked vegetables or fruits, taking anti-parasitic medications, practice hand washing habit after toilet use are strongly recommended.
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