A realist approach to eliciting the initial programme theory of the antiretroviral treatment adherence club intervention in the Western Cape Province, South Africa

Contexts and complexities: a realist evaluation of integrated care system leadership

PURPOSE

This paper presents a realist evaluation of leadership within an integrated care system (ICS) in England. This paper aims to examine which aspects of leadership are effective, for whom, how and under what circumstances.

DESIGN/METHODOLOGY/APPROACH

Realist evaluation methodology was used, adopting prior realist review findings as the theoretical framework to refine explanations of how and why leadership within an ICS is effective. Between January and November 2023, 23 interviews with ICS leaders took place, alongside 7 meeting observations and documentary analysis. The Realist And Metanarrative Evidence Syntheses: Evolving Standards (RAMESES) guidance informed the study design, conduct and reporting.

FINDINGS

The findings highlight two overarching infrastructural contexts influencing leadership in ICSs: the impact of the post-COVID-19 pandemic legacy and the differences between health and social care regulatory and financial environments. Findings demonstrate that ICS leaders identified a strong sense of purpose as crucial for guiding decisions and creating a psychologically safe environment for open, honest discussions, fostering calculated risk-taking. Whilst a shared vision directed priority setting, financial pressures led to siloed thinking. Leadership visibility was linked to workforce morale, with supportive leadership boosting morale amidst evolving ICS landscapes and confidence in data-driven decisions supported prevention activities. However, financial constraints hindered responsiveness and innovation in addressing health inequalities.

ORIGINALITY/VALUE

By examining ICS leadership post-COVID-19 pandemic and amidst varying regulatory and financial environments, this study contributes to the emerging literature on systems leadership and offers practical guidance for leaders navigating the complexities of integrated care.

Towards realist-informed ripple effects mapping (RREM): positioning the approach

BACKGROUND

Evaluation approaches such as ripple effects mapping (REM) and realist evaluation have emerged as popular methodologies to evidence impact, and the processes of change within public health as part of whole systems approaches. Despite the various examples of their implementation across different evaluation settings, there has been little or no evidence of how they might be effective when combined.

METHODS

With REM's potential to pragmatically illustrate impact, and realist evaluation's strength to identify how and why impacts emerge, this paper develops a rationale and process for their amalgamation. Following this, we outline a realist-informed ripple effects mapping (RREM) protocol drawing upon a physical activity based case study in Essex that may be suitable for application within evaluation settings in a range of public health, whole system and physical activity settings.

DISCUSSION

Combining these two approaches has the potential to more effectively illuminate the impacts that we see within public health and whole system approaches and initiatives. What is more, given the complexity often imbued within these approaches and initiatives, they hold capability for also capturing the causal mechanisms that explain these impacts.

CONCLUSIONS

It is our conclusion that when combined, this novel approach may help to inspire future research as well as more effective evaluation of public health and whole system approaches. This is crucial if we are to foster a culture for learning, refinement and reflection.

Overdose prevention centres as spaces of safety, trust and inclusion: A causal pathway based on a realist review

ISSUES

Overdose prevention centres (OPC) are non-residential spaces where people can use illicit drugs (that they have obtained elsewhere) in the presence of staff who can intervene to prevent and manage any overdoses that occur. Many reviews of OPCs exist but they do not explain how OPCs work.

APPROACH

We carried out a realist review, using the RAMESES reporting standards. We systematically searched for and then thematically analysed 391 documents that provide information on the contexts, mechanisms and outcomes of OPCs.

KEY FINDINGS

Our retroductive analysis identified a causal pathway that highlights the feeling of safety - and the immediate outcome of not dying - as conditions of possibility for the people who use OPCs to build trust and experience social inclusion. The combination of safety, trust and social inclusion that is triggered by OPCs can - depending on the contexts in which they operate - generate other positive outcomes, which may include less risky drug use practices, reductions in blood borne viruses and injection-related infections and wounds, and access to housing. These outcomes are contingent on relevant contexts, including political and legal environments, which differ for women and people from racialised minorities.

CONCLUSIONS

OPCs can enable people who live with structural violence and vulnerability to develop feelings of safety and trust that help them stay alive and to build longer term trajectories of social inclusion, with potential to improve other aspects of their health and living conditions.

A realist evaluation of policy interventions to reduce public subsidies of private dental care in Finland

OBJECTIVES

The Finnish dental care market operates as a dual system, divided between a regulated, affordable public sector and a less regulated, more expensive private sector that receives public subsidies. In 2015 and 2016, two policy interventions were introduced to reduce these subsidies for private dental services. The aim of this study was to evaluate the impact of these policy changes on the dental care market.

METHODS

This study was a realist evaluation. Context-Intervention-Mechanism-Outcome-configurations were applied to elicit an initial program theory (IPT) for the policy interventions. The IPT allowed a complicated system to be reduced to the main components, allowing for better understanding of the underlying mechanisms and the chain of events started by the interventions. The resulting hypotheses about the chain of events and outcomes were tested against a dataset collected from the Social Insurance Institution of Finland (SII) registries on public and private dental visits in the cities of Espoo, Helsinki and Oulu during the years 2010-2016. The used dataset consisted of N = 17 111 625 dental procedures or N = 8 139 990 individual visits (which can include several procedures) at a public (n = 9 097 407 procedures, n = 4 083 475 visits) or a private (n = 8 014 218 procedures or n = 4 056 515 visits) dental clinic. The system was studied during three time periods related to the two interventions in 2015 and in 2016. Changes were evaluated by statistically analysing changes in several key metrics: mean subsidy, mean out-of-pocket price, mean (non-subsidized) price, number of patients treated, number of professionals, procedures per professional, Case-Mix adjusted procedures per professional, patient-to-professional ratio, total procedures.

RESULTS

The 2015 and 2016 reductions to the subsidization of private dental care reduced the average subsidies paid to the private dental sector by 49% [-49.1, -38.8]. A 26% [25.2, 26.7] increase in the out-of-pocket price paid in the private sector was observed. Over the 2 years, 12.2% of patients left the private sector and an increase of 13% was observed in the number of patients treated in the public sector. The public sector increased its number of dental care professionals by 2.3% and the patient-to-professional ratio increased by 9.9% over the 2 years, while the private sector lost 4.6% of its dental care professionals and increased its prices by 4.0% [3.5, 4.5].

CONCLUSIONS

The policy changes had tangible effects on both the private and public sectors of the Finnish dental care market. By reducing subsidies, the private sector became more expensive for patients, causing many to transition to the public sector for their dental needs. While the public sector increased its capacity to accommodate the rise in patients, the demand still outpaced the growth in professionals, hinting at capacity or resource constraints in the public sector. The results also show initial evidence that contrary to the objectives, the policy changes increased the cost to the public sector as subsidized patient cared for in the private sector costs less to the government than treating that same patient in the public sector.

Developing a theory-driven framework for a web-based intervention to improve transition in childhood cancer survivors: a protocol of realist synthesis

BACKGROUNDS AND PURPOSE

Childhood cancer survivors (CCSs) who transition through adolescence and enter young adulthood may suffer psychological, cognitive, social, fertility, and sexual issues and concerns. There is an urgent need for comprehensive intervention strategies to improve the transition of CCSs. Web-based technologies are gaining momentum as a new mechanism to provide healthcare and education for adolescents. However, previous frameworks have been limited in their effectiveness in explaining web-based interventions.This realist synthesis aims to synthesise current evidence on transition of CCSs to develop a framework for web-based interventions. The framework can foster understanding of the integrity of web-based intervention implementation chain, examine which mechanistic factors will be triggered by web-based interventions, note and examine the flows, blockages and points of contention in the implementation, to refine web-based interventions.

METHOD AND ANALYSIS

A realist synthesis that adheres to the Realist and Meta-narrative Evidence Syntheses-Evolving Standard will be used. Studies will be identified through PubMed, Web of Science, EMBASE, PsycINFO, CINAHL, Ovid and Cochrane Library from the period of January 2005 to May 2023. We will also search the reference lists provided in relevant studies and reviews. Articles will be screened based on two principles: (1) Relevance: does the research address the initial programme theory? (2) Rigour: whether a particular inference drawn by the original researcher has sufficient weight to make a methodologically credible contribution to the test of the initial programme theory. No restrictions regarding the design or language of publication will be considered.

ETHICS AND DISSEMINATION

As a review, ethical approval is not required. The results from this study will be presented at international conferences and disseminated through peer-reviewed publications. Patients and the public will be involved in the dissemination plans.

Implementing a package of essential non-communicable diseases interventions in low- and middle-income countries: a realist review protocol

INTRODUCTION

The burden of non-communicable diseases (NCDs) is increasing rapidly, particularly in low- and middle-income countries (LMIC), accounting for 85% of premature deaths in the region. LMICs have been facing an increasing trend of a double burden of disease (infectious diseases and NCDs) that has led to multiple challenges in prioritising strategies for NCDs control amidst limited resources. Evidence indicates that measures such as the WHO's package of essential non-communicable (PEN) diseases interventions can prevent and control NCDs. However, because of the complexity of such health interventions, there is limited evidence that explains how the intervention works, for whom and in what context. We aim to unpack the causal mechanisms explaining how, why, for whom and in what context PEN prevents and controls NCDs.

METHODS AND ANALYSIS

We propose a realist review to understand how, why, for whom and under what circumstances PEN works or does not work. The review process includes five steps applied iteratively throughout the study: clarification of review scope, searching for evidence, appraising and extracting data, synthesising evidence and drawing conclusions, and disseminating the findings. Programme theories will be developed using the realist logic for theory formulation-Retroductive Theorising. The context-mechanism-outcome (CMO) heuristic tool will be used to develop the programme theories. Portions of the reviewed documents describing constructs of context, mechanism and outcomes will be coded inductively and extracted. These extracted constructs will then be linked abductively to formulate CMO configurations.

ETHICS AND DISSEMINATION

Formal ethical approval is not required for this review. Study findings will be disseminated through publications in peer-reviewed journals, conference presentations and formal and informal reports.

Using the multiple streams model to elicit an initial programme theory: from policy dialogues to a roadmap for scaling up integrated care

INTRODUCTION

The 'SCale-Up diaBetes and hYpertension care' Project aims to support the scale-up of integrated care for diabetes and hypertension in Cambodia, Slovenia and Belgium through the co-creation, implementation and evaluation of contextualised roadmaps. These roadmaps offer avenues for action and are built on evidence as well as stakeholder engagement in policy dialogues. Roadmaps and policy dialogues are very much intertwined and considered to be key elements for successful stakeholder-supported scale-up in integrated chronic care. Yet, little is known about how, why and under which conditions policy dialogue leads to successful roadmap implementation and scale-up of integrated care. Therefore, this study aims to use a realist approach to elicit an initial programme theory (IPT), using political science theories on the policy process.

METHODS

To develop the IPT, information from different sources was collected. First, an exploratory literature review on policy dialogue and scale-up definitions and success factors was performed, identifying theoretical frameworks, empirical (case) studies and realist studies (information gleaning). Second, research workshops on applying theory to the roadmap for scale-up (theory gleaning) were conducted with a multidisciplinary expert team. We used the intervention-context-actors-mechanism-outcome configuration to synthesise information from the sources into a configurational map.

RESULTS

The information and theory gleaning resulted into an IPT, hypothesising how policy dialogues can contribute to roadmap success in different policy stages. The IPT draws on political science theory of the multiple streams model adapted by Howlett et al to include five streams (problem, solution, politics, process and programme) that can emerge, converge and diverge across all five policy stages.

CONCLUSION

This paper aims to extend the knowledge base on the use of policy dialogues to build a roadmap for scale-up. The IPT describes how (dynamics) and why (theories) co-created roadmaps are expected to work in different policy stages.

Complex Interventions Across Primary and Secondary Care to Optimize Population Kidney Health: A Systematic Review and Realist Synthesis to Understand Contexts, Mechanisms, and Outcomes

BACKGROUND

CKD affects 850 million people worldwide and is associated with high risk of kidney failure and death. Existing, evidence-based treatments are not implemented in at least a third of eligible patients, and there is socioeconomic inequity in access to care. While interventions aiming to improve delivery of evidence-based care exist, these are often complex, with intervention mechanisms acting and interacting in specific contexts to achieve desired outcomes.

METHODS

We undertook realist synthesis to develop a model of these context-mechanism-outcome interactions. We included references from two existing systematic reviews and from database searches. Six reviewers produced a long list of study context-mechanism-outcome configurations based on review of individual studies. During group sessions, these were synthesized to produce an integrated model of intervention mechanisms, how they act and interact to deliver desired outcomes, and in which contexts these mechanisms work.

RESULTS

Searches identified 3371 relevant studies, of which 60 were included, most from North America and Europe. Key intervention components included automated detection of higher-risk cases in primary care with management advice to general practitioners, educational support, and non-patient-facing nephrologist review. Where successful, these components promote clinician learning during the process of managing patients with CKD, promote clinician motivation to take steps toward evidence-based CKD management, and integrate dynamically with existing workflows. These mechanisms have the potential to result in improved population kidney disease outcomes and cardiovascular outcomes in supportive contexts (organizational buy-in, compatibility of interventions, geographical considerations). However, patient perspectives were unavailable and therefore did not contribute to our findings.

CONCLUSIONS

This systematic review and realist synthesis describes how complex interventions work to improve delivery of CKD care, providing a framework within which future interventions can be developed. Included studies provided insight into the functioning of these interventions, but patient perspectives were lacking in available literature.

PODCAST

This article contains a podcast at https://dts.podtrac.com/redirect.mp3/www.asn-online.org/media/podcast/CJASN/2023_05_08_CJN0000000000000136.mp3.

Using social networks to scale up and sustain community-based programmes to improve physical activity and diet in low-income and middle-income countries: a scoping review

BACKGROUND

Community-based programmes [CBPs], targeting increased physical activity and/or healthier eating, have been used in the prevention and management of non-communicable diseases. However, CBPs are only useful, insofar as they can be scaled up and sustained in some meaningful way. Social networks-defined as "social structures that exists between actors, individuals or organizations"-may serve as an important tool to identify underlying mechanisms that contribute to this process. This scoping review aimed to map and collate literature on the role of social network research in scaling-up and sustaining physical activity and/or diet CBPs in low-and middle-income countries [LMICs].

METHODS

Arksey and O'Malley's framework and its enhancement were followed. Inclusion criteria were peer-reviewed articles exploring the role of social networks in scaled-up and/or sustained physical activity and/or diet CBPs in adult populations, published in English since 2000, and based in a LMIC. Databases searched were PubMed, Cochrane, Scopus, Web of Science, CINAHL, SocIndex, International Bibliography of the Social Sciences, and Google Scholar. Books, conference abstracts, and programmes focused on children were excluded. Two reviewers independently selected and extracted eligible studies. Included publications were thematically analysed using the Framework Approach.

RESULTS

Authors identified 12 articles for inclusion, covering 13 CBPs. Most were based in Latin America, with others in the Caribbean, the Pacific Islands, Iran, and India. All articles were published since 2009. Only three used social network analysis methods (with others using qualitative methods). Five main social network themes were identified: centralisation, cliques, leaders, quality over quantity, and shared goals. Contextual factors to be considered when scaling-up programmes in LMICs were also identified.

CONCLUSIONS

This review has shown that the evidence of the use of social network research in programme scale-up has not yet caught up to its theoretical possibilities. Programmes aiming to scale should consider conducting social network research with identified network themes in mind to help improve the evidence-base of what network mechanisms, in what contexts, might best support the strengthening of networks in physical activity and diet programmes. Importantly, the voice of individuals and communities in these networks should not be forgotten.

A retrospective cross sectional study assessing factors associated with retention and non-viral suppression among HIV positive FSWs receiving antiretroviral therapy from primary health care facilities in Kampala, Uganda

BACKGROUND

Patient retention in care and sustained viral load suppression are a cornerstone to improved health and quality of life, among people living with HIV. However, challenges of retention on ART remain among female sex workers (FSWs). We report lost to follow up (LTFU), viral load suppression, and the associated factors among FSWs that access HIV treatment at primary health care facilities in Kampala.

METHODS

We retrospectively abstracted and analysed patient management data of HIV positive FSWs who enrolled in care between January 2018 to December 2020. LTFU was defined as failure of a FSW to return for treatment at least 90 days from the date of their last clinic appointment. We defined viral suppression as having a last viral load of ≤ 1000 copies/ml preceding data abstraction. Data were analysed using Stata 15.1 software.

RESULTS

A total of 275 FSWs were included in our study sample. We found low retention of 85.1% (n = 234) at six months, corresponding to LTFU of 14.9 (n = 41) within the same period. Retention decreased with duration of being in care up to 73.5% (n = 202) at 24 months, and this translates to LTFU of 26.5% (n = 73). Viral load testing coverage was 62% (n = 132) and of these, 90.9% (n = 120) were virally suppressed. Factors associated with LTFU in univariable logistic regression; and viral load suppression in multivariable logistic regression models were; having a telephone contact (OR: 0.3, 95% CI: 0.1-0.9 p = 0.031), having enrolled in HIV care aged ≥ 35 years (OR: 0.5, 95% CI: 0.2-1.0 p = 0.048), (OR:0.03, 95%CI: 0.00-0.5, p = 0.016); and having good ART adherence (OR: 0.2, 95% CI: 0.1-0.5 p = 0.001), (OR:24.0, 95% CI: 3.7-153.4 p = 0.001) respectively. Having good ART adherence remained statistically significant (OR: 0.2, 95% CI: 0.08-0.53 p = 0.001) in multivariable logistic regression for LTFU.

CONCLUSION

This study found low retention among HIV diagnosed FSWs in care. Viral load suppression was acceptable and comparable to that of the general population, however viral load coverage was low. Strategies that increase retention in care and access to viral load testing such as individual client centred care models are vital to improve retention and viral load coverage among FSWs.

Community-Based ART Service Delivery for Key Populations in Sub-Saharan Africa: Scoping Review of Outcomes Along the Continuum of HIV Care

HIV positive key population (KP) often face health system and social barriers to HIV care. KP include sex workers, men who have sex with men, persons who inject drugs, transgender people, and people in prisons and other closed settings. Community-based ART service delivery (CBART) has the potential to increase access to antiretroviral treatment (ART) and enhance retention in care. This scoping review summarized the evidence on the effect of CBART along the continuum of HIV care among KP in sub-Saharan Africa. We searched Pubmed, Web of Science, Google scholar, and NGO websites for articles published between 2010 and April 2020. We synthesized the involvement of KP community members or lay providers in medical task provision, and outcomes along the continuum of HIV care. Of 3,330 records identified, 66 were eligible for full test screening, out of which 12 were included in the review. CBART for KP was provided through: (a) community drop-in-centres, (b) community drop-in-centres plus mobile team, or (c) community-based health centres. KP were engaged as peer educators and they provided services such as community mobilisation activities for HIV testing and ART, ART adherence counselling, and referral for ART initiation. Across the KP-CBART studies, outcomes in terms of ART uptake, adherence to ART, retention in care and viral suppression were at least as good as those obtained for KP attending facility-based care. KP-CBART was as effective as facility-based care. To achieve the UNAIDS 95–95–95 target in sub-Saharan Africa, national programmes should scale-up KP-CBART to complement facility-based care.

Seeing the person before the teeth: A realist evaluation of a dental anxiety service in Norway

Patients with a trauma history, whether sexual abuse or torture, or dental phobia, tend to avoid dental services due to severe dental anxiety. Subsequently, they experience poor oral health, lower quality of life, and poorer general health. In Norway, a specific service (torture, abuse, and dental anxiety [TADA]) targets these patients' dental anxiety through cognitive behavioural therapy (CBT) prior to dental restoration. By exploring patients' experiences with TADA services using a realist evaluation approach, this paper aims to increase our understanding of how this type of service addresses patients' dental anxiety in terms of its mechanisms and contextual factors. Interviews with TADA patients (n = 15) were analysed through a template analysis driven by context-mechanism-outcome heuristics. The analysis revealed that patients value a dental practitioner who provides a calm and holistic approach, positive judgements and predictability elements that lean towards a person-centred care approach. Provided this, patients felt understood and cared for, their shame was reduced, self-esteem emerged, and control was gained, which led to alleviation of dental anxiety. Therefore, our findings suggest that combining CBT with a person-centred care approach helps alleviate patients' dental anxiety. This provides insights into how dental services could be executed for these patients.

First Things First: How to Elicit the Initial Program Theory for a Realist Evaluation of Complex Integrated Care Programs

Policy Points Realist evaluation (RE) is an emerging and promising research approach for evaluating integrated care, addressing what works, how, for whom, and in what circumstances. The rich philosophical foundation of RE, critical realism, can help to systematically unravel an integrated care program's initial theory prior to implementation, as a first step within RE. RE can be considered a robust methodological asset in integrated care research by facilitating a deeper level of insight into program functioning than traditional forms of evaluation do and by shaping a realist-informed monitoring and evaluation process.

CONTEXT

The complexity of integrated care and the need for transferable evaluation insights ask for a suitable evaluation paradigm. Realist evaluation (RE), underpinned by the philosophy of critical realism, is a theory-driven approach that addresses what works, how, for whom, and in what circumstances. The current study illustrates the process needed for RE's first step: eliciting the initial program theory (IPT). The TARGET program, a Dutch primary care initiative to facilitate more integrated care for chronically ill patients, i.e., care that is efficient, tailored, and holistic,  was taken as a real-world case.

METHODS

An RE approach informed the phased IPT elicitation: (1) identifying an abstract theory framework; (2) formulating the preliminary IPT, building on the abstract theory and informed by previous scientific studies that underpin TARGET; and (3) refining the preliminary IPT, informed by RE expert interviews (n = 7). An RE heuristic tool, specifying the interplay between intervention-context-actors-mechanisms-outcomes (ICAMO) and retroductive reasoning, was applied to synthesize the underlying theory of individual TARGET components into TARGET's IPT.

FINDINGS

Separate but related IPTs were identified for the two main types of actors involved in TARGET: primary care professionals (PCPs) and patients. For both actors, two sorts of mechanisms are assumed to be activated by TARGET, which-via instrumental outcomes-contribute to long-term quadruple aim targets. The first is confidence to enhance PCPs' person-centered conversational skills and to increase patients' active engagement in TARGET. The second is mutual trust, between PCPs and patients and between PCPs and their network partners. A supportive context is assumed crucial for activating these mechanisms-for example, sufficient resources to invest in integrated care.

CONCLUSIONS

Although the IPT elicitation process is time intensive and requires a mind shift, it facilitates a deeper insight into program functioning than accommodated by the prevailing experimental designs in integrated care. Furthermore, the design of a realist-informed evaluation process can be informed by the IPT.

Realist Evaluation of the "Abiye" Safe Motherhood Initiative in Nigeria: Unveiling the Black-Box of Program Implementation and Health System Strengthening

Introduction

Realist evaluation studies have spanned different aspects of medicine, especially in the field of public health. However, very few of these studies explicitly detailed how program implementation triggered outcomes that could strengthen understanding of its effect on Health System Strengthening in specific settings. In low- and middle-income countries, like Nigeria, there is a paucity of realist evaluation studies, despite the implementation of multiple intervention programs and projects in these countries. This article is aimed at unveiling the black-box of program implementation and Health System Strengthening of the "Abiye" Safe Motherhood Program in Ondo State, Nigeria. Specifically, it identified the role of contextual factors in the "Abiye" program in Ondo State, determined the mechanisms that facilitated or constrained outcomes of the "Abiye" program, and developed a Context Mechanism Outcome (CMO) Configuration from which a Middle Range Theory (MRT) can be framed.

Methodology

This was qualitative research structured along with the realist domains (Context, Mechanism, and Outcome). The Initial Program Theory was validated by the qualitative study, after which a new MRT was developed. The study population comprised key stakeholders, secondary stakeholders, and primary stakeholders in the Abiye safe motherhood program. Data was collected through 10 key informant interviews, 28 in-depth interviews, and six focus group discussions sessions. Thematic analysis was used to analyze all the qualitative data collected, and seven themes with 19 subthemes emerged in the study.

Results

We identified 13 contextual factors under five principal areas, with most of the factors playing enabling roles, some playing inhibitory roles, while very few played both roles. We elicited eight mechanisms, and some of these facilitated the outcomes, while some constrained the outcomes of the program. Health system strengthening was a key feature of the outcome of the program. We developed a middle-range theory based on the 6 CMO configurations we elicited from the study.

Conclusion and Policy Implications

Realist evaluation is an iterative process that looks beyond the surface to generate evidence. By applying the realist approach, we generated pieces of evidence that can be adapted for policymaking in public health interventions in LMIC.

Comparing Patients' Experiences in Three Differentiated Service Delivery Models for HIV Treatment in South Africa

Differentiated service delivery for HIV treatment seeks to enhance medication adherence while respecting the preferences of people living with HIV. Nevertheless, patients' experiences of using these differentiated service delivery models or approaches have not been qualitatively compared. Underpinned by the tenets of descriptive phenomenology, we explored and compared the experiences of patients in three differentiated service delivery models using the National Health Services' Patient Experience Framework. Data were collected from 68 purposively selected people living with HIV receiving care in facility adherence clubs, community adherence clubs, and quick pharmacy pick-up. Using the constant comparative thematic analysis approach, we compared themes identified across the different participant groups. Compared to facility adherence clubs and community adherence clubs, patients in the quick pharmacy pick-up model experienced less information sharing; communication and education; and emotional/psychological support. Patients' positive experience with a differentiated service delivery model is based on how well the model fits into their HIV disease self-management goals.

Using social networks to scale up and sustain community-based programmes to improve physical activity and diet in low-income and middle-income countries: a scoping review protocol

INTRODUCTION

The World Health Organisation endorses community-based programmes as a cost-effective, feasible and a 'best buy' in the prevention and management of non-communicable diseases (NCDs). These programmes are particularly successful when the community actively participates in its design, implementation and evaluation. However, they may be only useful insofar as they can be scaled up and sustained in some meaningful way. Social network research may serve as an important tool for determining the underlying mechanisms that contribute to this process. The aim of this planned scoping review is to map and collate literature on the role of social networks in scaling-up and sustaining community-based physical activity and diet programmes in low-income and middle-income countries.

METHODS AND ANALYSIS

This scoping review protocol has been planned around the Arksey and O'Malley framework and its enhancement. Inclusion criteria are peer-reviewed articles and grey literature exploring the role of social networks in the scale-up and/or sustainability of NCD prevention community-based programmes in adult populations. Studies must have been published since 2000, in English, and be based in a low-income or middle-income country. The following databases will be used for this review: PubMed, Cochrane, Scopus, Web of Science, CINAHL, SocIndex, the International Bibliography of the Social Sciences, Google and Google Scholar. Books, conference abstracts and research focused only on children will be excluded. Two reviewers will independently select and extract eligible studies. Included publications will be thematically analysed using the Framework Approach.

ETHICS AND DISSEMINATION

Ethical approval will not be sought for this review as no individual-level data or human participants will be involved. This protocol is registered on the Open Science Framework (https://doi.org/10.17605/OSF.IO/KG7TX). The findings from the review will be published in an accredited journal. The Preferred Reporting Items for Systematic Reviews and Meta-analyses extension for Scoping Reviews checklist will be used to support transparency and guide translation of the review.

Engaging communities in non-communicable disease research and interventions in low- and middle-income countries: a realist review protocol

INTRODUCTION

Engaging communities and intended beneficiaries at various stages of health research is a recommended practice. The contribution of community engagement to non-communicable disease research in low- and middle-income countries has not yet been extensively studied or synthesised. This protocol describes the steps towards generating an understanding of community engagement in the context of non-communicable disease research, prevention and health promotion using a realist review approach. A realist lens enables a rich explanatory approach to causation while capturing complexity, and an openness to multiple outcomes, including unintended consequences. The review will thus develop an understanding of community engagement without assuming that such practices result in more ethical research or effective interventions.

METHODS AND ANALYSIS

We propose a realist approach aiming to examine how, why, under what circumstances and for whom community engagement works or does not work. The iterative review steps include clarifying the review scope; searching for evidence; appraising studies and extracting data; synthesising evidence and drawing conclusions; and disseminating, implementing and evaluating the findings. Principles of meta-narrative review (pragmatism, pluralism, historicity, contestation, reflexivity and peer review) are employed to ensure practicable and contextualised review outputs. The proposed review will draw on theoretical and empirical literature beyond specific diseases or settings, but with a focus on informing non-communicable disease research and interventions in low- and middle-income countries. The synthesis of existing literature will be complemented by qualitative realist interviews and stakeholder consultation. Through drawing on multiple types of evidence and input from both experts and intended beneficiaries, the review will provide critical and pragmatic insights for research and community engagement in low- and middle-income countries.

ETHICS AND DISSEMINATION

Ethical approval has been obtained from the University of the Witwatersrand. Dissemination will include traditional academic channels, institutional communications, social media and discussions with a wide range of stakeholders.

Coping Strategies Used by Older Adults to Deal with Contact Isolation in the Hospital during the COVID-19 Pandemic

Due to the COVID-19 pandemic, many older adults have experienced contact isolation in a hospital setting which leads to separation from relatives, loss of freedom, and uncertainty regarding disease status. The objective of this study was to explore how older adults (55+) cope with contact isolation in a hospital setting during the COVID-19 pandemic in order to improve their physical and psychological wellbeing. The realist evaluation approach was used to formulate initial program theories on coping strategies used by (older) adults in an isolation setting. Twenty-one semi-structured interviews with older patients (n = 21) were analysed. This study revealed that both emotion-focused coping strategies as well as problem-focused coping strategies were used by older adults during contact isolation. The study also uncovered some new specific coping strategies. The results have useful implications for hospital staff seeking to improve the wellbeing of older adults in contact isolation in hospitals. Problem-focused coping strategies could be stimulated through staff performing care in a person-centred way. Trust in staff, as part of emotion-focused coping strategies, could be stimulated by improving the relationship between patients and staff.

Exploring how residential care facilities can enhance the autonomy of people with dementia and improve informal care

BACKGROUND AND OBJECTIVES

Residential care facilities (RCFs) strive to enhance autonomy for people with dementia and to enhance informal care provision, although this is difficult. This study explored how RCF staff can enhance autonomy and improve informal care by looking at the influence of interactions (contact and approachability between residents, staff members and informal caregivers) and the physical environment, including the use of technologies.

RESEARCH DESIGN AND METHODS

A realist evaluation multiple-case study was conducted using document analyses, eight semi-structured interviews with staff members and relatives and 56 hours of observations of residents across two RCFs aiming to provide person-centred care. Realist logic of analysis was performed, involving Context-Mechanism-Outcome configurations.

FINDINGS

The behaviour, attitudes and interactions of staff members with residents and informal caregivers appeared to contribute to the autonomy of people with dementia and enhance informal care provision. The physical environment of the RCFs and the use of technologies were less relevant to enhancing autonomy and informal care provision, although they can support staff members in providing person-centred care in daily practice.

DISCUSSION AND IMPLICATIONS

The findings add to those of other studies regarding the importance of interaction between residents, staff members and informal caregivers. The findings provide insight for other RCFs on how successfully to enhance autonomy for their residents and to improve informal care provision, as well as, more broadly, how to implement person-centred care.

How do participatory methods shape policy? Applying a realist approach to the formulation of a new tuberculosis policy in Georgia

OBJECTIVES

This paper presents the iterative process of participatory multistakeholder engagement that informed the development of a new national tuberculosis (TB) policy in Georgia, and the lessons learnt.

METHODS

Guided by realist evaluation methods, a multistakeholder dialogue was organised to elicit stakeholders' assumptions on challenges and possible solutions for better TB control. Two participatory workshops were conducted with key actors, interspersed by reflection meetings within the research team and discussions with policymakers. Using concept mapping and causal mapping techniques, and drawing causal loop diagrams, we visualised how actors understood TB service provision challenges and the potential means by which a results-based financing (RBF) policy could address these.

SETTING

The study was conducted in Tbilisi, Georgia.

PARTICIPANTS

A total of 64 key actors from the Ministry of Labour, Health and Social Affairs, staff of the Global Fund to Fight AIDS, TB and Malaria Georgia Project, the National Centre for Disease Control and Public Health, the National TB programme, TB service providers and members of the research team were involved in the workshops.

RESULTS

Findings showed that beyond provider incentives, additional policy components were necessary. These included broadening the incentive package to include institutional and organisational incentives, retraining service providers, clear redistribution of roles to support an integrated care model, and refinement of monitoring tools. Health system elements, such as effective referral systems and health information systems were highlighted as necessary for service improvement.

CONCLUSIONS

Developing policies that address complex issues requires methods that facilitate linkages between multiple stakeholders and between theory and practice. Such participatory approaches can be informed by realist evaluation principles and visually facilitated by causal loop diagrams. This approach allowed us leverage stakeholders' knowledge and expertise on TB service delivery and RBF to codesign a new policy.

Let's Try Social Prescribing in Sweden (SPiS) - an Interventional Project Targeting Loneliness among Older Adults Using a Model for Integrated Care: A Research Protocol

INTRODUCTION

Loneliness and social isolation among older adults (≥65) are an emerging issue of public concern, associated with increased morbidity and mortality. Today there is no systematic intervention developed, implemented or evaluated in Sweden addressing loneliness. The overall aim for this project is to develop, test and refine a person-centred Swedish model for social prescribing (SPiS), and to assess whether and how it reduces loneliness, promotes health and improves well-being among older adults.

DESCRIPTION

The focus will be to develop, culturally adapt, evaluate and refine the SPiS model. Following the sequential structure of realist evaluation in three consecutive phases qualitative and quantitative data along with subsequent analysis methods will be collected and utilized. The project will provide knowledge of what works with the social prescribing model, for whom, in what conditions and why, in relation to loneliness, health and well-being among older adults.

DISCUSSION

SPiS has the unique position of providing initial knowledge regarding how to reduce loneliness in the Swedish context. However, evaluation is complex as this research goes beyond the unidimensional question "Is it working?".

CONCLUSION

Developing, implementing and evaluating such a complex program needs systematic and close evaluation.

Community Group-Based Models of Medication Delivery: Applicability to Cardiovascular Diseases

The rising global burden of chronic non-communicable diseases (NCDs) has put a strain on healthcare systems globally, especially in low- and middle-income countries, which have seen disproportionate mortality rates due to non-communicable diseases. These deaths are in part due to challenges with medication adherence, which are compounded by lack of access to medication and weak community support systems. This paper aims to propose a potential solution using models of service delivery in HIV/AIDS, given the many similarities between NCD and HIV/AIDS. Models that have been particularly effective in HIV/AIDS are the community-based peer-support medication delivery groups: medication adherence clubs and community antiretroviral therapy (ART) groups. The positive outcomes from these models, including improved medication adherence and patient satisfaction, provide evidence for their potential success when applied to non-communicable diseases, particularly hypertension and cardiovascular disease.

Understanding the impact of a residential housing programme for people living with HIV/AIDS: a realist evaluation protocol

INTRODUCTION

Housing instability and homelessness are significant barriers to medical treatment for people living with HIV/AIDS. For these individuals, lack of stable housing and stigma is associated with insufficient access to care, poor adherence to medication and higher cost burdens to the healthcare system. This protocol reports on the efforts to evaluate Sanctum V.1.0, a hospice and transitional care home for adults with HIV/AIDS in Saskatoon, Saskatchewan, Canada. The current project was developed out of a need to identify how Sanctum V.1.0 produces varying programme outcomes to assist in endeavours to replicate the programme in other geographic locations.

METHODS AND ANALYSIS

A realist evaluation will be conducted to explore how and why Sanctum V.1.0 is successful or unsuccessful, in which circumstances and for whom. Rather than explore the degree to which a programme is effective, realist evaluations seek to uncover mechanisms that explain processual links between programme inputs and outcomes. The completed first phase of the project involved the development of an initial realist programme theory. Phases 2 and 3 will consist of methods to test, refine and validate the initial theory using various data sources.

ETHICS AND DISSEMINATION

Ethics approval was obtained from the institutional review board at the University of Saskatchewan on 2 July 2020. Results will be disseminated according to stakeholders' desires.

Explaining the impact of mHealth on maternal and child health care in low- and middle-income countries: a realist synthesis

Background

Despite the growing global application of mobile health (mHealth) technology in maternal and child health, contextual factors, and mechanisms by which interventional outcomes are generated, have not been subjected to a systematic examination. In this study, we sought to uncover context, mechanisms, and outcome elements of various mHealth interventions based on implementation and evaluation studies to formulate theories or models explicating how mHealth interventions work (or not) both for health care providers and for pregnant women and mothers.

Method

We undertook a realist synthesis. An electronic search of five online databases (PubMed/Medline, Google Scholar, Scopus, Academic Search Premier and Health Systems Evidence) was performed. Using appropriate Boolean phrases terms and selection procedures, 32 articles were identified. A theory-driven approach, narrative synthesis, was applied to synthesize the data. Thematic content analysis was used to delineate elements of the intervention, including its context, actors, mechanisms, and outcomes. Abduction and retroduction were applied using a realist evaluation heuristic tool to formulate generative theories.

Results

We formulated two configurational models illustrating how and why mHealth impacts implementation and uptake of maternal and child health care. Implementation-related mechanisms include buy-in from health care providers, perceived support of health care providers’ motivation and perceived ease of use and usefulness. These mechanisms are influenced by adaptive health system conditions including organization, resource availability, policy implementation dynamics, experience with technology, network infrastructure and connectivity. For pregnant women and mothers, mechanisms that trigger mHealth use and consequently uptake of maternal and child health care include perceived satisfaction, motivation and positive psychological support. Information overload was identified as a potential negative mechanism impacting the uptake of maternal and child health care. These mechanisms are influenced by health system conditions, socio-cultural characteristics, socio-economic and demographics characteristics, network infrastructure and connectivity and awareness.

Conclusion

Models developed in this study provide a detailed understanding of implementation and uptake of mHealth interventions and how and why they impact maternal and child health care in low- and middle-income countries. These models provide a foundation for the ‘white box’ of theory-driven evaluation of mHealth interventions and can improve rollout and implementation where required.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12884-021-03684-x.

"We believe in you, like really believe in you": Initiating a realist study of (re)engagement initiatives for youth not in employment, education or training with experiences from northern Sweden

Due to a scarcity of rigorous evaluations and to commence a realist study addressing the lack of knowledge about the workings of interventions directed towards "NEET" youth, this research aimed to understand how and under what circumstances (re)engagement initiatives are expected to facilitate the social integration of young people who are in a situation that prevents them from entering into studies or work. By conducting the first phase in realist evaluation, qualitative interviews with five managerial stakeholders from two northern Swedish initiatives and reviews of documents were carried out for data collection. Using thematic analysis and retroductive reasoning, an intervention-context-actors-mechanisms-outcomes configuration was developed to elicit an initial programme theory that explained how the initiatives were presumed to operate and under what contextual contingencies. The results indicate that the intervention is expected to improve the youths' wellbeing and engage them in work or studies by strengthening their competence and confidence in a caring and collaborative context. To incorporate the diverse voices and heterogeneous experiences of youth themselves, and ascertain whether the intervention works as intended, for whom, in what conditions and why, the results now need to be tested in selected cases and refined in subsequent phases of evaluation research.

Combining the theory of change and realist evaluation approaches to elicit an initial program theory of the MomConnect program in South Africa

Background

One of the Sustainable Development Goals is to reduce the global maternal mortality ratio to less than 70 per 100,000 live births by 2030. In South Africa, the flagship National Department of Health MomConnect program was launched in 2014 to strengthen the quality of maternal and child health (MCH) services and improve mortality outcomes. MomConnect was rapidly rolled out with a limited understanding of how and why the program was expected to work even though studies had shown the effectiveness of the MomConnect program in improving the uptake of MCH services. This study aimed to unearth the initial program theory of the MomConnect program based on explicit and implicit assumptions of how the program was organized and expected to work.

Methods

We conducted a document analysis using design- and implementation-related documents of the MomConnect program guided by the principles of Theory of Change (ToC) and Realist Evaluation (RE). Content and thematic analysis approaches were deductively applied to analyze the documents toward constructing ToC and RE-informed models. Abductive thinking and retroduction were further applied to the realist-informed approach to link program context, mechanisms, and outcomes to construct the initial program theory.

Results

ToC and RE-informed models illustrated how the MomConnect program was organized and expected to work. The process of constructing the ToC provided the platform for the development of the initial program theory, which identified three critical elements: (1) the central modalities of the MomConnect program; (2) the intended outcomes; and (3) the tentative causal links indicating, in a stepwise manner of, how the outcomes were intended to be achieved. The RE approach ‘enhanced’ the causal links by identifying relevant programmatic contexts and linking the postulated mechanisms of action (empowerment, encouragement, motivation, and knowledge acquisition) to program outcomes.

Conclusion

The application of ToC and RE provided an explicitly cumulative approach to knowledge generation in unveiling the initial program theory of MomConnect rather than delivering answers to questions of program effectiveness.

A Review of Differentiated Service Delivery for HIV Treatment: Effectiveness, Mechanisms, Targeting, and Scale

PURPOSE OF REVIEW

Differentiated service delivery (DSD) models were initially developed as a means to combat suboptimal long-term retention in HIV care, and to better titrate limited health systems resources to patient needs, primarily in low-income countries. The models themselves are designed to streamline care along the HIV care cascade and range from individual to group-based care and facility to community-based health delivery systems. However, much remains to be understood about how well and for whom DSD models work and whether these models can be scaled, are sustainable, and can reach vulnerable and high-risk populations. Implementation science is tasked with addressing some of these questions through systematic, scientific inquiry. We review the available published evidence on the implementation of DSD and suggest further health systems innovations needed to maximize the public health impact of DSD and future implementation science research directions in this expanding field.

RECENT FINDINGS

While early observational data supported the effectiveness of various DSD models, more recently published trials as well as evaluations of national scale-up provide more rigorous evidence for effectiveness and performance at scale. Deeper understanding of the mechanism of effect of various DSD models and generalizability of studies to other countries or contexts remains somewhat limited. Relative implementability of DSD models may differ based on patient preference, logistical complexity of model adoption and maintenance, human resource and pharmacy supply chain needs, and comparative cost-effectiveness. However, few studies to date have evaluated comparative implementation or cost-effectiveness from a health systems perspective. While DSD represents an exciting and promising "next step" in HIV health care delivery, this innovation comes with its own set of implementation challenges. Evidence on the effectiveness of DSD generally supports the use of most DSD models, although it is still unclear which models are most relevant in diverse settings and populations and which are the most cost-effective. Challenges during scale-up highlight the need for accurate differentiation of patients, sustainable inclusion of a new cadre of health care worker (the community health care worker), and substantial strengthening of existing pharmacy supply chains. To maximize the public health impact of DSD, systems need to be patient-centered and adaptive, as well as employ robust quality improvement processes.

Opening the 'implementation black-box' of the user fee exemption policy for caesarean section in Benin: a realist evaluation

To improve access to maternal health services, Benin introduced in 2009 a user fee exemption policy for caesarean sections. Similar to other low- and middle-income countries, its implementation showed mixed results. Our study aimed at understanding why and in which circumstances the implementation of this policy in hospitals succeeded or failed. We adopted the realist evaluation approach and tested the initial programme theory through a multiple embedded case study design. We selected two hospitals with contrastive outcomes. We used data from 52 semi-structured interviews, a patient exit survey, a costing study of caesarean section and an analysis of financial flows. In the analysis, we used the intervention-context-actor-mechanism-outcome configuration heuristic. We identified two main causal pathways. First, in the state-owned hospital, which has a public-oriented but administrative management system, and where citizens demand accountability through various channels, the implementation process was effective. In the non-state-owned hospital, managers were guided by organizational financial interests more than by the inherent social value of the policy, there was a perceived lack of enforcement and the implementation was poor. We found that trust, perceived coercion, adherence to policy goals, perceived financial incentives and fairness in their allocation drive compliance, persuasion, positive responses to incentives and self-efficacy at the operational level to generate the policy implementation outcomes. Compliance with the policy depended on enforcement by hierarchical authority and bottom-up pressure. Persuasion depended on the alignment of the policy with personal and organizational values. Incentives may determine the adoption if they influence the local stakeholder's revenue are trustworthy and perceived as fairly allocated. Failure to anticipate the differential responses of implementers will prevent the proper implementation of user fee exemption policies and similar universal health coverage reforms.

ART adherence clubs in the Western Cape of South Africa: what does the sustainability framework tell us? A scoping literature review

INTRODUCTION

In 2007, the antiretroviral therapy (ART) adherence club (AC) model was introduced to South Africa to combat some of the health system barriers to ART delivery, such as staff constraints and increasing patient load causing clinic congestion. It aimed to absorb the growing number of stable patients on treatment, ensure quality of care and reduce the workload on healthcare workers. A pilot project of ACs showed improved outcomes for club members with increased retention in care, reduced loss to follow-up and a reduction in viral rebound. In 2011, clubs were rolled out across the Cape Metro District with promising clinical outcomes. This review investigates factors that enable or jeopardize sustainability of the adherence club model in the Western Cape of South Africa.

METHODS

A scoping literature review was carried out. Electronic databases, organizations involved in ACs and reference lists of relevant articles were searched. Findings were analysed using a sustainability framework of five key components: (1) Design and implementation processes, (2) Organizational capacity, (3) Community embeddedness, (4) Enabling environment and (5) Context.

RESULTS AND DISCUSSION

The literature search identified 466 articles, of which six were included in the core review. Enablers of sustainability included the collaborative implementation process with collective learning sessions, the programme's flexibility, the high acceptability, patient participation and political support (to some extent). Jeopardizing factors revolved around financial constraints as non-governmental organizations are the main supporters of ACs by providing staff and technical support.

CONCLUSIONS

The results showed convincing factors that enable sustainability of ACs in the long term and identified areas for future research. Community embeddedness of clubs with empowerment and participation of patients, is a strong enabler to the sustainability of the model. Further policies are recommended to regulate the role of lay healthcare workers, ensure the reliability of the drug supply and the funding of club activities.

Can sexual health interventions make community-based health systems more responsive to adolescents? A realist informed study in rural Zambia

Introduction

Community-based sexual reproductive interventions are key in attaining universal health coverage for all by 2030, yet adolescents in many countries still lack health services that are responsive to their sexual reproductive health and rights’ needs. As the first step of realist evaluation, this study provides a programme theory that explains how, why and under what circumstances community-based sexual reproductive health interventions can transform (or not) ‘ordinary’ community-based health systems (CBHSs) into systems that are responsive to the sexual reproductive health of adolescents.

Methods

This realist approach adopted a case study design. We nested the study in the full intervention arm of the Research Initiative to Support the Empowerment of Girls trial in Zambia. Sixteen in-depth interviews were conducted with stakeholders involved in the development and/or implementation of the trial. All the interviews were recorded and analysed using NVIVO version 12.0. Thematic analysis was used guided by realist evaluation concepts. The findings were later synthesized using the Intervention−Context−Actors−Mechanism−Outcomes conceptualization tool. Using the retroduction approach, we summarized the findings into two programme theories.

Results

We identified two initial testable programme theories. The first theory presumes that adolescent sexual reproductive health and rights (SRHR) interventions that are supported by contextual factors, such as existing policies and guidelines related to SRHR, socio-cultural norms and CBHS structures are more likely to trigger mechanisms among the different actors that can encourage uptake of the interventions, and thus contribute to making the CBHS responsive to the SRHR needs of adolescents. The second and alternative theory suggests that SRHR interventions, if not supported by contextual factors, are less likely to transform the CBHSs in which they are implemented. At individual level the mechanisms, awareness and knowledge were expected to lead to value clarification’, which was also expected would lead to individuals developing a ‘supportive attitude towards adolescent SRHR. It was anticipated that these individual mechanisms would in turn trigger the collective mechanisms, communication, cohesion, social connection and linkages.

Conclusion

The two alternative programme theories describe how, why and under what circumstances SRHR interventions that target adolescents can transform ‘ordinary’ community-based health systems into systems that are responsive to adolescents.

Understanding the influence of the MomConnect programme on antenatal and postnatal care service utilisation in two South African provinces: a realist evaluation protocol

INTRODUCTION

Timely antenatal care (ANC) and postnatal care (PNC) attendance decrease maternal and child mortality by improving maternal and child health (MCH) outcomes. Mobile health or mHealth has been identified as an effective way of improving the uptake of MCH services. The MomConnect programme is an mHealth initiative launched by the National Department of Health of South Africa in August 2014 to support MCH. Although widely used, there is a limited understanding of how, why, for whom and under which health system conditions, the implementation of MomConnect improves the health-seeking behaviour of pregnant women and mothers of infants in ANC and PNC facilities. This paper describes the protocol for a realist evaluation of the MomConnect programme, to provide a theory-based understanding of how, why and under what healthcare conditions the MomConnect programme works or not.

METHOD AND ANALYSIS

We will use the realist evaluation approach through its research cycle conducted in three phases. In phase I, a multimethod elicitation study design will be used, including a document review, key informant interviews and a scoping review to formulate an initial programme theory of the MomConnect intervention. Content and thematic analytic approaches will be used to analyse the data that will be fitted into a realist framework to formulate the initial programme theory. In phase II, a multi-case study design will be applied using a multimethod approach in two South African provinces. In each case, a theory-testing approach underpinned by the hypothetico-deduction analytic model will be used to test the initial programme theory. Surveys, interviews and focus group discussions will be conducted with various programme actors and analysed using appropriate methods. Phase III will entail refining the tested/modified programme theory through cross-case analysis.

EXPECTED OUTCOMES

An improved understanding of how and why the MomConnect intervention improves the health-seeking behaviour of pregnant women and mothers of infants, and the health system conditions that influence its implementation.

ETHICS AND DISSEMINATION

Ethics approval was granted by the Stellenbosch University Ethics Committee (S18/09/189). The protocol has been designed and the study will be conducted in line with the principles of the Declaration of Helsinki (1964).

'At this [adherence] club, we are a family now': A realist theory-testing case study of the antiretroviral treatment adherence club, South Africa

Background

An estimated 7.9 million people were living with HIV in South Africa in 2017, with 63.3% of them remaining in antiretroviral therapy (ART) care and 62.9% accessing ART. Poor retention in care and suboptimal adherence to ART undermine the successful efforts of initiating people living with HIV on ART. To address these challenges, the antiretroviral adherence club intervention was designed to streamline ART services to 'stable' patients. Nevertheless, it is poorly understood exactly how and why and under what health system conditions the adherence club intervention works.

Objectives

The aim of this study was to test a theory on how and why the adherence club intervention works and in what health system context(s) in a primary healthcare facility in the Western Cape Province.

Method

Within the realist evaluation framework, we applied a confirmatory theory-testing case study approach. Kaplan-Meier descriptions were used to estimate the rates of dropout from the adherence club intervention and virological failure as the principal outcomes of the adherence club intervention. Qualitative interviews and non-participant observations were used to explore the context and identify the mechanisms that perpetuate the observed outcomes or behaviours of the actors. Following the retroduction logic of making inferences, we configured information obtained from quantitative and qualitative approaches using the intervention-context-actor-mechanism-outcome heuristic tool to formulate generative theories.

Results

We confirmed that patients on ART in adherence clubs will continue to adhere to their medication and remain in care because their self-efficacy is improved; they are motivated or are being nudged.

Conclusion

A theory-based understanding provides valuable lessons towards the adaptive implementation of the adherence club intervention.

What do the implementation outcome variables tell us about the scaling-up of the antiretroviral treatment adherence clubs in South Africa? A document review

Background

The successful initiation of people living with HIV on antiretroviral treatment (ART) in South Africa fomented challenges of poor retention in care and suboptimal adherence to medication. Following evidence of the potential of adherence clubs (ACs) to improve patient retention in ART and adherence to medication, the South African National Department of Health drafted a policy in 2016 encouraging the rollout of ACs nationwide. However, little guidance on the rollout strategy has been provided to date, and the national adoption status of the AC programme is unclear. To this end, we aimed to review the effectiveness of the rollout of the antiretroviral AC intervention in South Africa to date through an implementation research framework.

Methods

We utilised a deductive thematic analysis of documents of the AC programme in South Africa obtained from searching various databases from December 2017 to July 2018. The implementation outcome variables (acceptability, appropriateness, adoption, feasibility, fidelity, implementation cost, coverage and sustainability) were applied to frame and describe the effectiveness of the national rollout of the AC programme in South Africa.

Results

We identified 32 eligible documents that were included for analysis. Our analysis showed that ACs were highly acceptable by patients and health stakeholders given the observed benefits, including decongestion of clinics, increased social support for patients and the low cost of implementation. Evidence suggests that the AC model proved to be effective in improving adherence to ART and retention in care. Based on the success of ACs in the Western Cape, ACs are currently being implemented in all of the other South African provinces.

Conclusion

The inherent adaptability of the AC model should allow innovative strategies to maximise the use of existing resources. Therefore, the challenge is not limited to acquiring additional resources and support, but also includes the efficient use of available resources. Emerging challenges with AC programmes need to be addressed by increasing communication between stakeholders and fostering a culture of learning between facilities. As the AC programme expands and adapts to accommodate more people living with HIV and different population groups, policies should be designed to overcome present and anticipated challenges to enable its success.

Unravelling how and why the Antiretroviral Adherence Club Intervention works (or not) in a public health facility: A realist explanatory theory-building case study

Background

Although empirical evidence suggests that the adherence club model is more effective in retaining people living with HIV in antiretroviral treatment care and sustaining medication adherence compared to standard clinic care, it is poorly understood exactly how and why this works. In this paper, we examined and made explicit how, why and for whom the adherence club model works at a public health facility in South Africa.

Methods

We applied an explanatory theory-building case study approach to examine the validity of an initial programme theory developed a priori. We collected data using a retrospective cohort quantitative design to describe the suppressive adherence and retention in care behaviours of patients on ART using Kaplan-Meier methods. In conjunction, we employed an explanatory qualitative study design using non-participant observations and realist interviews to gain insights into the important mechanisms activated by the adherence club intervention and the relevant contextual conditions that trigger the different mechanisms to cause the observed behaviours. We applied the retroduction logic to configure the intervention-context-actor-mechanism-outcome map to formulate generative theories.

Results

A modified programme theory involving targeted care for clinically stable adult patients (18 years+) receiving antiretroviral therapy was obtained. Targeted care involved receiving quick, uninterrupted supply of antiretroviral medication (with reduced clinic visit frequencies), health talks and counselling, immediate access to a clinician when required and guided by club rules and regulations within the context of adequate resources, and convenient (size and position) space and proper preparation by the club team. When grouped for targeted care, patients feel nudged, their self-efficacy is improved and they become motivated to adhere to their medication and remain in continuous care.

Conclusion

This finding has implications for understanding how, why and under what health system conditions the adherence club intervention works to improve its rollout in other contexts.

"Patients Are Not Following the [Adherence] Club Rules Anymore": A Realist Case Study of the Antiretroviral Treatment Adherence Club, South Africa

There is growing evidence that differentiated care models employed to manage treatment-experienced patients on antiretroviral therapy could improve adherence to medication and retention in care. We conducted a realist evaluation to determine how, why, for whom, and under what health system context the adherence club intervention works (or not) in real-life implementation. In the first phase, we developed an initial program theory of the adherence club intervention. In this study, we report on an explanatory theory-testing case study to test the initial theory. We conducted a retrospective cohort analysis and an explanatory qualitative study to gain insights into the important mechanisms activated by the adherence club intervention and the relevant context conditions that trigger the different mechanisms to achieve the observed outcomes. This study identified potential mitigating circumstances under which the adherence club program could be implemented, which could inform the rollout and implementation of the adherence club intervention.