Table 1 Programme theory themes and headings informed by Masterton et al. [12] and this study’s data

Nature

1. Escape and getting away

2. Space to reflect

Individual self

3. Physical activity

4. Self-efficacy

5. Having a purpose

Social self

6. Relationships with facilitators

7. Increased communication through shared experiences

8. Reduced isolation

Macro-level

9. COVID-19 impact

Meso-level

10. Intervention approach

11. Stakeholder buy-in