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Table 3 Intervention-Context-Actor-Mechanism-Outcome configurations of Case X

From: Unearthing how, why, for whom and under what health system conditions the antiretroviral treatment adherence club intervention in South Africa works: A realist theory refining approach

Intervention modalities

Context

Actor

Mechanism

Outcome

Club rules and regulation

- Standard operating protocol

- HIV policy

- Patient

- Perceived barriers

- Perceived threat

- Nudged

- Adhering to club appointments

Grouping patients

- Availability of space for meeting

- Longevity of patient in the club

- Relationship with other club members

- Patient

- Group

- Perceived social support

- Positive group dynamics (sense of belonging)

- Better adherence resulting from developed self-efficacy

Health talks/education

- Availability of personnel

- Patient

- Empowerment (motivation)

- Improved self-efficacy

Quick medication access

- Availability of medication

- Proper preparation for club session

- Patient

- Perceived benefit

- Motivation

- Satisfaction

- Adherence to medication related to medication access

Prompt continuity of care

- Availability of clinicians

- Staffing dynamics

- Organisation of club activities

- Clinicians

- Patient

- Trust

- Retained in care through problem resolution

Club facilitator-patient relationship

- Staffing dynamics

- Teamwork/collaboration

- Facilitator

- Patient

- Trust

- Perceived support

- Adherence to medication

- Retention in care

Overall intervention

- Buy-in from care providers

- Preparation and organisation

- Patients

- Club teams

- Motivation

- Self-efficacy

- Satisfaction (with care)

- Improved retention in care and adherence to medication