Table 3 Sustainability outcomes identified in included studies [6]

1. Benefits for patients, staff, and stakeholders continue.

2. Initiative activities or components of the intervention continue.

3. Maintenance of relationships, partnerships, or networks.

4. Maintenance of new procedures, and policies.

5. Attention and awareness of the problem or issue is continued or increased.

6. Replication, roll-out, or scale-up of the initiative.

7. Capacity built within staff, stakeholders, and communities continues.

8. Adaptation in response to new evidence or contextual influences.

9. Gaining further funds to continue the initiative and maintain improvements.