Search Results - "Manda, Samuel"

Meta-Analysis of Effect Sizes Reported at Multiple Time Points Using General Linear Mixed Model by Musekiwa, Alfred, Manda, Samuel O M, Mwambi, Henry G, Chen, Ding-Geng

“…Meta-analysis of longitudinal studies combines effect sizes measured at pre-determined time points. The most common approach involves performing separate…”
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National prevalence of coronary heart disease and stroke in South Africa from 1990-2017 : a systematic review and meta-analysis by Abdelatif, Nada A., Peer, Nasheeta, Manda, Samuel O.M.

“…Background: South Africa is experiencing an increasing burden of cardiovascular diseases, including coronary heart disease (CHD) and stroke. We aimed to obtain…”
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Estimating Unhealthy Food Effects on Childhood Overweight in Malawi Using an Observational Study by Twabi, Halima S., Manda, Samuel O. M, Small, Dylan S.

“…Introduction Consumption of unhealthy foods in children contributes to high levels of childhood obesity globally. In developing countries there is paucity of…”
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Development of a diagnostic predictive model for determining child stunting in Malawi: a comparative analysis of variable selection approaches by Mkungudza, Jonathan, Twabi, Halima S, Manda, Samuel O M

“…Childhood stunting is a major indicator of child malnutrition and a focus area of Global Nutrition Targets for 2025 and Sustainable Development Goals. Risk…”
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A novel outlier statistic in multivariate survival models and its application to identify unusual under-five mortality sub-districts in Malawi by Kaombe, Tsirizani M., Manda, Samuel O. M.

“…Although under-five mortality (U5M) rates have declined worldwide, many countries in sub-Saharan Africa still have much higher rates. Detection of subnational…”
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Transitions between body mass index categories, South Africa by Wandai, Muchiri E, Aagaard-Hansen, Jens, Manda, Samuel Om, Norris, Shane A

“…To profile the prevalence of the three body mass index (BMI) categories by sociodemographic characteristics, and to calculate the percentage transitioning (or…”
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Effects  of rural-urban residence and education on intimate partner violence among women in Sub-Saharan Africa: a meta-analysis of health survey data by Nabaggala, Maria Sarah, Reddy, Tarylee, Manda, Samuel

“…Intimate Partner Violence (IPV) against women is a major public health and human rights problem worldwide. Sub-Saharan Africa (SSA) has one of the highest…”
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Detecting influential data in multivariate survival models by Kaombe, Tsirizani M., Manda, Samuel O. M.

“…Statistical techniques for detecting influential data are well developed and commonly used in linear regression, and to some extent in linear mixed-effects…”
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Geographic assessment of access to health care in patients with cardiovascular disease in South Africa by Kapwata, Thandi, Manda, Samuel

“…Noncommunicable diseases (NCDs) including cardiovascular diseases (CVDs), diabetes, cancer and chronic lung disease are increasingly emerging as major…”
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A Spatial Analysis of COVID-19 in African Countries: Evaluating the Effects of Socio-Economic Vulnerabilities and Neighbouring by Manda, Samuel O. M., Darikwa, Timotheus, Nkwenika, Tshifhiwa, Bergquist, Robert

“…The ongoing highly contagious coronavirus disease 2019 (COVID-19) pandemic, which started in Wuhan, China, in December 2019, has now become a global public…”
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A simulation study for evaluating the performance of clustering measures in multilevel logistic regression by Adam, Nicholas Siame, Twabi, Halima S., Manda, Samuel O.M.

“…Abstract Background Multilevel logistic regression models are widely used in health sciences research to account for clustering in multilevel data when…”
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Small-area variation  of cardiovascular diseases and select risk factors and their association to household and area poverty in South Africa: Capturing emerging trends in South Africa to better target local level interventions by Dwane, Ntabozuko, Wabiri, Njeri, Manda, Samuel

“…Of the total 56 million deaths worldwide during 2012, 38 million (68%) were due to noncommunicable diseases (NCDs), particularly cardiovascular diseases (17.5…”
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Progress towards the UNAIDS 95-95-95 targets among pregnant women in South Africa: Results from the 2017 and 2019 national Antenatal HIV Sentinel Surveys by Woldesenbet, Selamawit, Cheyip, Mireille, Lombard, Carl, Manda, Samuel, Ayalew, Kassahun, Kufa, Tendesayi, Puren, Adrian

“…Objectives The UNAIDS 95-95-95 global targets for epidemic control aim to ensure by 2030 that 95% of HIV-positive people know their HIV status, 95% of people…”
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Correction to: Estimating Unhealthy Food Effects on Childhood Overweight in Malawi Using an Observational Study by Twabi, Halima S., Manda, Samuel O. M., Small, Dylan S.

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Motivational interviewing and problem-solving therapy intervention for patients on antiretroviral therapy for HIV in Tshwane, South Africa: A randomized controlled trial to assess the impact on alcohol consumption by Parry, Charles D H, Myers, Bronwyn, Londani, Mukhethwa, Shuper, Paul A, Janse van Rensburg, Charl, Manda, Samuel O M, Nkosi, Sebenzile, Kekwaletswe, Connie T, Hahn, Judith A, Rehm, Jürgen, Sorsdahl, Katherine, Morojele, Neo K

“…Reduction of alcohol consumption is important for people undergoing treatment for HIV. We tested the efficacy of a brief intervention for reducing the average…”
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Efficacy of an alcohol-focused intervention for improving adherence to antiretroviral therapy (ART) and HIV treatment outcomes - a randomised controlled trial protocol by Parry, Charles Dh, Morojele, Neo K, Myers, Bronwyn J, Kekwaletswe, Connie T, Manda, Samuel O M, Sorsdahl, Katherine, Ramjee, Gita, Hahn, Judith A, Rehm, Jürgen, Shuper, Paul A

“…Little research has examined whether alcohol reduction interventions improve antiretroviral therapy (ART) adherence and HIV treatment outcomes. This study…”
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Assessment of prevalence and risk factors of diabetes and pre-diabetes in South Africa by Grundlingh, Nina, Zewotir, Temesgen T, Roberts, Danielle J, Manda, Samuel

“…Diabetes prevalence, as well as that of pre-diabetes, is rapidly increasing in South Africa. Individuals with pre-diabetes have a high risk of developing type…”
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Assessing the effects of maternal HIV infection on pregnancy outcomes using cross-sectional data in Malawi by Twabi, Halima S, Manda, Samuel O, Small, Dylan S

“…Abstract Background Several studies have shown that maternal HIV infection is associated with adverse pregnancy outcomes such as low birth weight and perinatal…”
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Smoothed Temporal Atlases of Age-Gender All-Cause Mortality in South Africa by Manda, Samuel O M, Abdelatif, Nada

“…Most mortality maps in South Africa and most contried of the sub-Saharan region are static, showing aggregated count data over years or at specific years. Lack…”
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Livelihoods, land use and land cover change in the Zambezi Region, Namibia by Kamwi, Jonathan M., Chirwa, Paxie W. C., Manda, Samuel O. M., Graz, Patric F., Kätsch, Christoph

“…This paper examines the socio-economic drivers of land use and land cover change and assesses the impacts of such changes to rural livelihoods in the Zambezi…”
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