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Table 1 Summary characteristics of studies included in the scoping review

From: Barriers and facilitators to the implementation and scale up of differentiated service delivery models for HIV treatment in Africa: a scoping review

Author and year

Country

Types of evidence source

Aims

Study design

Information source

Francis et al., 2017 [61]

Tanzania

Conference abstract/ Unpublished

To ascertain the acceptability and logistical feasibility of community health worker-led ART home-delivery in Dar es Salaam

Mixed method

Patients and healthcare providers

Mashungu et al., 2018 [62]

Zimbabwe

Conference abstract/ Unpublished

To explore patient and service provider’s acceptability of community ART refill groups in Zimbabwe

Descriptive qualitative

ART service providers and stable patients enrolled in community ART refill groups

Tshuma et al.,2017 [22]

South Africa

Primary study/Published

To assess acceptability, enablers, and barriers to rolling out community-based adherence clubs in South Africa

Descriptive qualitative

Nurses, club managers, data capturers, pharmacists, and pharmacy assistants who had been involved in facility-based treatment adherence clubs

Rasschaert et al.,2014 [43]

Mozambique

Primary study/Published

To analyze the evolution of the community ART group model from 2008 to 2012

Mixed method

Patients on ART in groups and in individual care, Nurses, Medecins Sans Frontieres Counsellors, Health authorities, and Medecins Sans Frontieres implementers

Asieba et al., 2021 [44]

Nigeria

Primary study/Published

To assess the feasibility, acceptability, and outcomes of the community pharmacy-based ART refill model in Nigeria

Retrospective analysis

ART clients and Community Pharmacists

Flamig et al., 2019 [12]

South Africa

Scoping literature review/Published

To identify factors that enable or jeopardize the sustainability of the Adherence Club model in the Western Cape of South Africa

Scoping literature review

Articles on ART adherence clubs in South Africa

Mukumbang et al., 2019 [23]

South Africa

Primary study/Published

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, South Africa

Realist evaluation

Nurses, counselors (club facilitators), and patients (both current and former club members)

Laga et al., 2017 [42]

sub-Saharan Africa

Dissertation project/Unpublished

To describe the challenges with decentralization to community-based primary health care facilities, in Tete, Mozambique

Mixed method

Community ART groups

Bemelmans et al., 2014 [45]

Malawi, South Africa, DRC, and Mozambique

Primary study/Published

To describe a number of community-supported models of ART delivery developed by Medecins Sans Frontieres together with Ministries of Health in public health facilities in sub-Saharan Africa

Routine program data analysis

Appointment spacing for clinical and drug refill visits in Malawi, peer educator-led ART refill groups in South Africa, community ART distribution points in the Democratic Republic of Congo, and patient-led community ART groups in Mozambique

Ndlovu et al., 2020 [24]

South Africa

Master’s thesis project/Unpublished

To explore and compare the experiences of patients in three differentiated care models (Facility Adherence Clubs, Community Adherence Club, and Quick Pharmacy Pick-up) in a community health care facility in a township in Cape Town, South Africa

Descriptive qualitative

People living with HIV (18 years plus) receiving ART in a differentiated ART delivery model

Ssonko et al., 2017 [46]

South Sudan,the Central African Republic, and the Democratic Republic of Congo

Primary study/Published

To review the implementation of differentiated HIV care and treatment approaches in Medecins Sans Frontieres-supported programs

Descriptive analysis

Routinely Program data

Christ et al., 2020 [70]

Zimbabwe

Manuscript (preprint)/Unpublished

To assess the availability of differentiated ART models and the experience of health care professionals and clients in the rural district of Bikita, Masvingo Province, Zimbabwe

Mixed-method

ART clients and healthcare providers

Sharer et al., 2019 [25]

South Africa

Primary study/Published

To (a) gain an in-depth understanding of perceived implementation barriers and enablers for differentiated ART delivery models in South Africa and (b) explore pragmatic concerns from program implementers and nurses related to sustainability and integration into existing ART programs to support treatment scale-up

Formative evaluation

Program implementers, nurses, and other health care providers

Duffy et al., 2019 [47]

South Africa, Uganda, and Zimbabwe

Primary study/Published

To describe differentiated treatment distribution models and identify enablers, barriers, and benefits of the models by synthesizing findings from multistakeholder interviews and focus group discussions with participants in South Africa, Uganda, and Zimbabwe

Descriptive qualitative

High-level policymakers/influencers, Program designers, managers, and implementers, Health service providers, and Patients

Hagey et al., 2018 [13]

sub-Saharan Africa

Scoping review/Published

To describe the range of HIV care for stable patients within the differentiated care framework

Scoping literature review

Manuscripts on differentiated HIV care

Kuchukhidze et al., 2019 [14]

sub-Saharan Africa

A review of the grey literature/Unpublished

To conduct a comprehensive search of unpublished reports and other data sources posted online or directly from DSD implementers

Review of grey literature

Grey documents

Long et al., 2020 [15]

sub-Saharan Africa

A rapid systematic review/Unpublished

To conduct a rapid review of the most recent peer-reviewed reports of the outcomes of DSD model implementation in sub-Saharan Africa

Rapid systematic review

Peer-reviewed reports of the outcomes of DSD model implementation

Huber et al., 2020 [48]

Malawi, South Africa, and Zambia

Primary study/Published

To describe the diversity of DSD models being implemented

Cross-sectional

DSD model implementing organizations

Mulenga et al., 2019 [63]

Zambia

Conference abstract/ Unpublished

To describe the model and early results herein

Descriptive analysis

People living with HIV on ART

Adjetey et al., 2019 [49]

Ghana

Primary study/Published

To explore the possible predictors and acceptability of Community-based health service provision among people living with HIV accessing ART services at the Cape Coast Teaching Hospital in Ghana

Descriptive qualitative

People living with HIV accessing ART services

Liu et al., 2021 [26]

South Africa

Manuscript (preprint)

To describe the expansion of central chronic medicines dispensing and distribution to a national scale

Mixed methods evaluation

Patients with chronic disease, including HIV

Wilkinson et al., 2016 [27]

South Africa

Primary study/Published

To describe the implementation of the Adherence Club model across the Cape Metro health district in Cape Town, South Africa, between January 2011 and March 2015

Data aggregate of the monthly monitoring report

Facilities offering adherence clubs and patients receiving ART care in the adherence club model

Dudhia and Kagee, 2015 [28]

South Africa

Primary study/Published

To document the experiences of patients attending adherence clubs and health care workers at clinics where clubs were operating in South Africa

Descriptive qualitative

ART adherence club members and healthcare workers

Kizito and Sabiti, 2021 [50]

Uganda

Primary study/Published

To describe the factors associated with the uptake of community client-led ART delivery model at Mulago Adult HIV clinic in Mulago National Referral Hospital

Mixed-method

Adult HIV patients who are stable on ART and receiving ART from Mulago adult HIV clinic and service providers

Venables et al., 2017 [29]

South Africa

Conference abstract/Unpublished

To explore perceptions of clubs amongst members and non-members in two sites in Cape Town, South Africa

Descriptive qualitative

People living with HIV(current club members, eligible patients who had never joined a club, and club members who had been returned to routine care)

Roy et al., 2018 [64]

Zambia

Conference abstract/Unpublished

To evaluate the implementation and effectiveness of urban adherence clubs in Zambia using a randomized study design

Randomized controlled trial

HIV-positive patients and healthcare workers

Pasipamire et al., 2016 [65]

Swaziland

Conference abstract/Unpublished

To assess the feasibility of implementing community ART models in Swaziland

Cohort

Stable patients on ART

Grimsrud et al., 2015 [30]

South Africa

Primary study/Published

To describe the implementation of community-based adherence clubs at a large, public-sector facility in peri-urban Cape Town, South Africa

Descriptive analysis

Community-based adherence clubs

Wilkinson et al., 2015 [31]

South Africa

Conference abstract/Unpublished

To describe scale up of adherence clubs between Jan 2011-March 2015 in the Cape Metro, South Africa

Descriptive analysis

Stable ART patients

Zakumumpa et al., 2021 [71]

Uganda

Manuscript (preprint)/Unpublished

To assess the extent of uptake of differentiated ART models and to describe barriers to uptake of either facility-based or community-based models in a national sample of health facilities in Uganda

Mixed-method

Health facilities, and ART clinic managers

Zakumumpa et al., 2017 [51]

Uganda

Primary study/Published

To identify modifications to ART service delivery models by health facilities in Uganda to sustain ART interventions over 10 years (2004–2014)

Mixed method

Health facilities, and ART clinic managers

Prust, 2017 [72]

Malawi

Process evaluation report/Unpublished

To explore the process and guidelines for implementation, the extent of implementation in participating facilities, provider and patient perspectives on the models, and costs of the differentiated service delivery models in Malawi

Process evaluation

Health facilities, healthcare workers, and patients

Prust et al., 2017 [66]

Malawi

Conference abstract/Unpublished

To assess the extent to which patients are accurately differentiated as eligible or ineligible for multimonth scripting and explore potential causes of inaccurate patient differentiation in Malawi

Mixed -method

Health facilities, health workers, and clinic management

Attah et al., 2018 [67]

Nigeria

Conference abstract/Unpublished

To assess the impact of Nigeria’s antiretroviral multimonth scripting on public health service delivery, infrastructure, and supply chain management systems across “high volume” ART clinics

Descriptive analysis

Clinic attendance records and ART refill providers

Keene et al., 2020 [32]

South Africa

Primary study/Published

To explore patient, healthcare worker, and key informant experiences and perceptions of extending ART refills to 6 months in adherence clubs in Khayelitsha, South Africa

Descriptive qualitative

Patients, healthcare workers, and Key informants

Prust et al., 2018 [52]

Malawi

Primary study/Published

To understand the challenges and successes of implementing these models of care and the process of patient differentiation in Malawi

Descriptive qualitative

Patients and health workers

Venables et al., 2019 [33]

South Africa

Primary study/Published

To explore patient experiences of clubs in two sites in Cape Town, South Africa

Descriptive qualitative

Patients

De Jager et al., 2018 [34]

South Africa

Primary study/Published

To investigate treatment adherence and patient satisfaction of stable HIV patients on ART in ART adherence clubs and clinics in South Africa

Cross-sectional

Stable HIV patients on ART in ART adherence clubs and clinics

Mukumbang et al., 2018 [35]

South Africa

Primary study/Published

To determine how, why, for whom, and under what health system context the adherence club intervention works (or not) in real-life implementation in South Africa

Realist evaluation

Doctors, Adherence club nurses, Adherence club counselors/club facilitators, Patients in clubs, and Former club patients

Mudavanhu et al., 2020 [36]

South Africa

Primary study/Published

To explore patient acceptability and attitudes towards community and clinic-based adherence clubs in South Africa

Mixed method

Patients on ART

Phiri et al., 2021 [53]

Zambia

Primary study/Published

To understand providers’ perceptions of the benefits and challenges of six-month versus three-month ART dispensing in Zambia

Descriptive qualitative

Multimonth dispensing providers

Rasschaert et al., 2014 [54]

Mozambique

Primary study/Published

To evaluate the relevance, dynamic, and impact of the community ART group model on patients, their communities, and the healthcare system in Tete, Mozambique

Descriptive qualitative

Patients on ART, nurses, Medecins Sans Frontieres lay counselors, and health authorities

Hubbard et al., 2020 [55]

Malawi

Primary study/Published

To explore client and provider experiences with multimonth dispensing in Malawi as part of a cluster-randomized trial evaluating 3- versus 6-month ART dispensing

Descriptive qualitative

Providers and clients

Bock et al., 2019 [37]

South Africa

Primary study/Published

To report on clinical outcomes among ART clients attending adherence clubs and client experiences and healthcare worker perceptions of factors key to successful adherence club implementation in the Cape Winelands District, South Africa

Crossectional and retrospective cohort

Clients and healthcare workers

Roy et al., 2019 [16]

sub-Saharan Africa

Review/Published

To 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

Review of literature

Published evidence

Bochner et al., 2019 [56]

Zimbabwe

Primary study/Published

To assess the perceived effects of this new national service delivery model in Zimbabwe

Descriptive qualitative

Healthcare workers and ART clients

MacGregor et al., 2018 [38]

South Africa

Primary study/Published

To explore the challenges associated with taking to scale a pilot that began as a relatively simple innovation by a non-governmental organization

Mixed -method

Health facilities, patients receiving ART in an adherence club, and staff working with ART adherence clubs

Decroo et al., 2013 [57]

Mozambique

Primary study/Published

To describe the stepwise implementation and roll-out of Community ART groups in Mozambique

Descriptive study

Community ART groups

Rasschaert et al., 2014 [58]

Mozambique

Primary study/Published

To identify factors influencing the sustainability of the community ART group model in Mozambique

Descriptive qualitative

Patients on ART, nurses, Medecins Sans Frontieres lay counselors, health authorities, and Medecins Sans Frontieres community ART group implementers

Dorward et al., 2020 [39]

South Africa

Primary study/Published

To explore how centralized chronic medication dispensing and distribution influences engagement in HIV care

Descriptive qualitative

Clients receiving ART and healthcare workers

Zakumumpa et al., 2020 [59]

Uganda

Primary study/Published

To explore patients’ and HIV service managers’ perspectives on barriers to the implementation of Differentiated ART service delivery

Descriptive qualitative

National-level HIV program managers, district health team leaders, representatives of United States President’s Emergency Plan for AIDS Relief implementing organizations, and ART clinic in-charges

Hubbard et al., unknown year of presentation [68]

Malawi

Conference abstract/Unpublished

To explore client and provider experiences with the implementation of multi-month dispensing in Malawi as part of the INTERVAL study

Descriptive qualitative

ART client and provider

Mukumbang et al., 2018 [35]

South Africa

Primary study/Published

To develop a refined program theory explicating how, why, for whom, and under what health system contexts the adherence club intervention works (or not)

Realist evaluation

Program designers and managers, available studies on group-based ART adherence support models in sub-Saharan Africa, and social, cognitive, and behavioral theories that have been applied to explain adherence to ART

Roy et al., 2017 [69]

Zambia

Conference abstract/Unpublished

1. To describe the uptake of the community adherence group model in Zambia using an implementation cascade for individuals offered community adherence groups

2. To identify adaptations to the community adherence group model during early implementation in Zambia

Program evaluation

Stable patients engaged in the community adherence group model

Pellecchia et al., 2017 [60]

Malawi

Primary study/Published

To assess the benefits and challenges of community adherence groups from patients’ and healthcare workers’ perspectives

Descriptive qualitative

Community adherence group members, ART patients eligible for community ART refill groups who remained in conventional care, former community ART refill group members who returned to conventional care, and healthcare workers responsible for providing HIV care

Mukumbang et al., 2019 [40]

South Africa

Document review/Published

To review the effectiveness of the rollout of the antiretroviral adherence club intervention in South Africa to date through an implementation research framework

Document review

Documents of the adherence club program

Davey et al., 2018 [41]

South Africa

Conference abstract/Unpublished

To evaluate demographic and clinical characteristics and treatment outcomes in patients on differentiated care versus standard care

Crossectional

Documents of the adherence club program

  1. ART antiretroviral therapy, DSD differentiated service delivery, HIV human immune deficiency virus