Publications by authors named "Trish Muzenda"

Increasing evidence suggests that urban health objectives are best achieved through a multisectoral approach. This approach requires multiple sectors to consider health and well-being as a central aspect of their policy development and implementation, recognising that numerous determinants of health lie outside (or beyond the confines of) the health sector. However, collaboration across sectors remains scarce and multisectoral interventions to support health are lacking in Africa.

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High sugar intake contributes to diet-related excess weight and obesity and is a key determinant for noncommunicable diseases (NCDs) in low- and middle-income countries (LMICs). The World Health Organization (WHO) gives specific advice on limiting sugar intake in adults and children. Yet, to what extent have policy ideas on sugar intake reduction originating at the global level found expression at lower levels of policymaking? A systematic policy document analysis identified policies issued at the African regional, South African national and Western Cape provincial levels between 2000 and 2020 using search terms related to sugar, sugar-sweetened beverages (SSBs), and NCDs.

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Objectives: To present the protocol for a systematic review synthesising quantitative and qualitative evidence in academic and grey literature on intersectoral interventions to address non-communicable disease risk factors in urban Africa.

Study Design: This protocol is developed in accordance with the Preferred Reporting Items for Systematic Review and Meta-analyses Protocols guidelines. Databases to be searched include PubMed, Global Health, SCOPUS, and Web of Science.

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Purpose: Quantitative epidemiological tools are routinely used to assess adolescent diet and physical activity (PA) constructs (behaviour, knowledge, and awareness) as risk factors for non-communicable diseases. This study sought to synthesize evidence on the quantitative epidemiological tools that have been used to assess adolescent diet and PA constructs in low to middle-income countries (LMIC).

Methods: A systematised review was conducted using 3 databases (EbscoHost, Scopus and Web of Science).

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This systematised literature review synthesised evidence on approaches to mapping food and physical activity (PA) environments in low- and middle-income countries (LMICs). Of the 60 articles included, 25 and 35 mapped food and PA environments respectively. All studies were cross-sectional with researcher-led data collection.

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Article Synopsis
  • Non-communicable diseases (NCDs) are a major cause of death globally, especially in urban areas of low- and middle-income countries, with physical inactivity being a key factor.
  • Global efforts to increase physical activity (PA) exist, but there's a lack of clear connections between PA, NCD reduction, and comprehensive approaches to creating healthier environments.
  • An analysis of 34 global PA policies shows an upward trend in addressing structural issues impacting health, but calls for improved focus on underserved populations and stronger collaboration across various sectors beyond just health.
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Non-communicable diseases (NCDs) are the leading cause of death globally. Despite significant global policy development for addressing NCDs, the extent to which global policies find expression in low-and-middle income countries' (LMIC) policies, designed to mitigate against NCDs, is unclear. This protocol is part of a portfolio of projects within the Global Diet and Activity Research (GDAR) Network, which aims to support the prevention of NCDs in LMICs, with a specific focus on Kenya, Cameroon, South Africa and Jamaica.

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Physical inactivity is increasing in low- and middle-income countries (LMICs), where noncommunicable diseases (NCDs), urbanisation and sedentary living are rapidly growing in tandem. Increasing active living requires the participation of multiple sectors, yet it is unclear whether physical activity (PA)-relevant sectors in LMICs are prioritising PA. We investigated to what extent sectors that influence PA explicitly integrate it in their policies in an LMIC such as Cameroon.

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Noncommunicable diseases contribute the greatest to global mortality. Unhealthy diet-a prominent risk factor-is intricately linked to urban built and food environments and requires intersectoral efforts to address. Framings of the noncommunicable disease problem and proposed solutions within global and African regional diet-related policy documents can reveal how amenable the policy landscape is for supporting intersectoral action for health in low-income to middle-income countries.

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Article Synopsis
  • Differentiated service delivery (DSD) models for HIV treatment reduce the frequency of healthcare visits and limit exposure to COVID-19, but there's a lack of data on their effectiveness for clients starting treatment within 12 months and those having only one annual consultation.
  • This study analyzed data from two trials in Zimbabwe and Lesotho, comparing standard care with community-based ART models that allowed for less frequent clinical visits.
  • The results showed high retention rates in care across all models, with community ART groups performing better or similarly to standard care, suggesting these models are effective for managing HIV treatment.
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Background: Lesotho adopted the test-and-treat approach for HIV treatment in June 2016, which increased antiretroviral treatment (ART) clinic volume. We evaluated community-based vs. facility-based differentiated models of multimonth dispensing of ART among stable HIV-infected adults in Lesotho.

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Article Synopsis
  • The study investigates the effectiveness of multimonth dispensing (MMD) of antiretroviral treatment (ART) in community refill groups compared to standard care in Zimbabwe.
  • A three-arm trial involved 4800 participants grouped into different ART delivery intervals (three-monthly at a facility, three-monthly in community groups, and six-monthly in community groups) to compare retention in care and viral suppression.
  • Results showed noninferior retention rates in both three- and six-month community groups compared to standard care, with high viral suppression in the three-month group, suggesting MMD may enhance ART access without compromising treatment outcomes.
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