Publications by authors named "Nora West"

Multi-month dispensing of tuberculosis (TB) drugs is an innovative strategy that may reduce frequent clinic visits and travel costs among people with TB (PWTB) in rural areas. To inform a planned trial, we explored the appropriateness, barriers, and facilitators to multi-month dispensing among PWTB and healthcare providers in rural eastern Uganda. We used qualitative methods situated within the Consolidated Framework for Implementation Research to explore two refill schedules for multi-month dispensing of TB drugs-a four- or five-visit refill schedule.

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Background: Timely and accurate tuberculosis (TB) diagnosis remains a key challenge in high-burden settings. The World Health Organization (WHO) has developed Target Product Profiles (TPPs) to guide diagnostic development, which have largely reflected the perspectives of experts, with limited input from people affected by TB. This qualitative study explored preferences and experiences to inform people-centered TB diagnostic strategies.

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Tuberculosis (TB) remains a major public health challenge in sub-Saharan Africa (SSA), with stigma, mental health issues, and alcohol use significantly affecting treatment outcomes. Stigma delays TB diagnosis, reduces treatment adherence, and disrupts care continuity. Mental health conditions, such as depression and anxiety, further undermine adherence, whereas alcohol use accelerates TB disease progression and leads to poor treatment outcomes.

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Background: Sputum collection for tuberculosis (TB) diagnosis poses challenges for children, people living with HIV, and those who struggle with sputum production. Tongue swab-based molecular testing offers a promising non-invasive alternative, but person-centered research on acceptability is limited.

Methods: We conducted a pragmatic survey across eight countries (Vietnam, Philippines, South Africa, Nigeria, Zambia, India, Uganda, Peru) among people with presumptive TB attending primary care facilities.

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Objectives: Social protections can mitigate poverty's effects on HIV, but program implementation may influence their impact. We explored relationships between multidimensional poverty, social protections programming, and HIV viral load (VL) among a population living with and seeking care for HIV (PLHIV) in Zimbabwe.

Design: A Sequential Explanatory Mixed Methods Study.

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Health and illness experiences are positioned within social and cultural contexts. Understanding the mental health and psychological distress of people living with HIV in highly affected communities is critical to addressing their needs and to ensure programming and interventions are targeted and appropriate. Grounded in the ethnomedical theoretical perspective, we conducted qualitative interviews to understand the experience and expression of psychological distress by people living with HIV in Rakai, Uganda.

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Background: Social and structural determinants of health (SDoH) are associated with tuberculosis (TB) outcomes but often unaddressed in TB care programs. We sought to describe the mechanism by which SDoH impact completion of TB diagnostic evaluation in Uganda using an implementation science framework rooted in behavioral theory.

Methods: Trained research staff interviewed 24 purposively sampled adults undergoing TB diagnostic evaluation at six community health centers in Uganda between February-August 2019.

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Introduction: Poor mental health occurs more frequently among people living with HIV. Understanding what mental health problems occur and at what point during the continuum of HIV care is critical to ensure these problems are identified and appropriately addressed. We explored how mental health is experienced along the HIV care continuum in Rakai, Uganda.

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Mental health is conceptualized differently across cultures, making cross-cultural validation of screening tools critical. In Uganda, we used cognitive interviewing to assess and adapt three scales for measuring psychological distress: the Thinking a Lot Questionnaire, the Patient Health Questionnaire 9 (PHQ-9), and the Hopkins Symptoms Checklist (HSCL). We recruited 12 people living with HIV from the Rakai Community Cohort Study (RCCS) and interviewed seven potential users of the scales (four RCCS survey interviewers and three local health workers).

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Introduction: Health and illness experiences are positioned within social and cultural contexts. Understanding the mental health and psychological distress of people living with HIV in highly affected communities is critical to addressing their needs and to ensure programming and interventions are targeted and appropriate.

Methods: Grounded in the ethnomedical theoretical perspective, we conducted qualitative interviews to understand the experience and expression of psychological distress by people living with HIV in Rakai, Uganda.

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Background: At increased risk for poor health outcomes, physical and/or sexual violence, and onward transmission of HIV, women who use drugs and are living with HIV (WWUDHIV) are vulnerable and in need of services. Understanding the role of trauma across their life history may offer insights into HIV and drug use prevention and opportunities for intervention. We explored trauma and drug use among WWUDHIV in Dar es Salaam, Tanzania.

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Background: Globally, women who use drugs face multiple health vulnerabilities, including poor mental health. Little is known about the mental health burden among women who use drugs in sub-Saharan Africa. This cross-sectional study examined the prevalence and predictors of depressive and anxiety symptoms among a sample of women who use drugs in Dar es Salaam, Tanzania.

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Background: Medications for opioid use disorder (MOUD) are associated with positive health outcomes. People remaining on MOUD have a reduced likelihood of drug overdose and mortality. Tanzania supports a national opioid treatment program (OTP) offering MOUD, but retention is a continual challenge.

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Mental health problems (e.g., anxiety, depression) are frequently experienced by adolescents living with HIV (ALWH) and can worsen HIV-related outcomes.

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To reach the millions of people with tuberculosis (TB) undiagnosed each year, there is an important need to provide people-centered screening and testing services. Despite people-centered care being a key pillar of the WHO END-TB Strategy, there have been few attempts to formally characterize and integrate the preferences of people affected by TB - including those who have increased exposure to TB, limited access to services, and/or are at increased risk for TB - into new tools and strategies to improve screening and diagnosis. This perspective emphasizes the importance of preference research among people affected by TB, provides an overview of qualitative preference exploration and quantitative preference elicitation research methods, and outlines how preferences can be applied to improve the acceptability, accessibility, and appropriateness of TB screening and testing services via four key opportunities.

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Background: Household contact investigation for people newly diagnosed with tuberculosis (TB) is poorly implemented, particularly in low- and middle-income countries. Conditional cash incentives may improve uptake.

Methods: We conducted a pragmatic, cluster-randomized, crossover trial of 2 TB contact investigation approaches (household-based and incentive-based) in 28 public primary care clinics in South Africa.

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Background: Tuberculosis is a top-10 cause of under-5 mortality, despite policies promoting tuberculosis preventive therapy (TPT). We previously conducted a cluster randomized trial to evaluate the effectiveness of symptom-based versus tuberculin skin-based screening on child TPT uptake. Symptom-based screening did not improve TPT uptake and nearly two-thirds of child contacts were not identified or not linked to care.

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In-person interactions have traditionally been the gold standard for qualitative data collection. The COVID-19 pandemic required researchers to consider if remote data collection can meet research objectives, while retaining the same level of data quality and participant protections. We use four case studies from the Philippines, Zambia, India and Uganda to assess the challenges and opportunities of remote data collection during COVID-19.

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Adherence clubs for patients stable on antiretroviral treatment (ART) offer decongestion of clinics and task-shifting, improved adherence and retention in care. Findings on patient acceptability by club location (in the clinic vs. the community) are limited.

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Background: Adherence clubs, where groups of 25-30 patients who are virally suppressed on antiretroviral therapy (ART) meet for counseling and medication pickup, represent an innovative model to retain patients in care and facilitate task-shifting. This intervention replaces traditional clinical care encounters with a 1-hour group session every 2-3 months, and can be organized at a clinic or a community venue. We performed a pragmatic randomized controlled trial to compare loss from club-based care between community- and clinic-based adherence clubs.

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Background: There is a dearth of comparative effectiveness research examining the implementation of different strategies for active tuberculosis (TB) case finding, particularly in rural settings, which represent 60% of the population of sub-Saharan Africa.

Methods And Findings: We conducted a pragmatic, cluster-randomized comparative effectiveness trial of two TB case finding strategies (facility-based screening and contact tracing) in 56 public primary care clinics in two largely rural districts of Limpopo Province, South Africa. In the facility-based screening arm, sputum Xpert MTB/RIF was performed on all patients presenting (for any reason) with TB symptoms to 28 study clinics, and no contact tracing was performed.

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Background: Since 2010, the World Health Organization recommends lifelong antiretroviral treatment for all women living with HIV, and exclusive breastfeeding for six-months followed by breastfeeding until 24-months for all HIV positive mothers. Nevertheless, many mothers living with HIV do not initiate breastfeeding or stop prematurely, and many countries are still in the process of updating their national infant feeding guidelines to align with World Health Organization recommendations. We sought to understand uptake of breastfeeding and factors that influence decision-making regarding infant feeding in women living with and without HIV who receive ante- and postnatal care at a primary healthcare setting.

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In South Africa, 60% of female sex workers are estimated to be living with human immunodeficiency virus (HIV). Many of these women face structural and individual-level barriers to initiating, accessing, and adhering to antiretroviral therapy (ART). While data are limited, it is estimated that less than 40% of sex workers living with HIV achieve viral suppression, leading to suboptimal clinical outcomes and sustained risks of onward sexual and vertical HIV transmission.

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We examined the prevalence of mental health conditions, social support, and associated factors among adolescents living with HIV. We conducted a cross-sectional analysis with adolescents (ages 9-19) attending a primary care clinic in Johannesburg, South Africa. We analyzed the results of four self-report tools: Children's Depression Inventory-Short, Revised Manifest Anxiety Scale, Child Post-Traumatic Stress Disorder (PTSD) Checklist, and a modified version of the Medical Outcomes Study Social Support Scale.

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Background: Tuberculosis (TB) is the leading infectious killer worldwide, with approximately 1.8 million deaths in 2015. While effective treatment exists, implementation of active case finding (ACF) methods to identify persons with active TB in a timely and cost-effective manner continues to be a major challenge in resource-constrained settings.

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