Table 2 Fidelity scoring system for bronchiolitis interventions

1. Clinical lead^a

Scored out of a maximum of 8 points

- 1 point for each clinical lead (maximum 4 points)

- 1 point for each clinical lead who maintained engagement with the study for the duration of the intervention year (maximum 4 points)

2. Stakeholder meeting^a

Scored out of a maximum of 7 points

- 1 point for each clinical lead who attended meeting (maximum 4 points)

- 1 point for > 90% completion of baseline audit OR 0.5 points for 10–90% completion of baseline audit

- 1 point for full explanation of study and study roles provided by research team at stakeholder meeting OR 0.5 points for partial explanation of study and study roles at stakeholder meeting

- 1 point for all study leads engaged OR 0.5 points for partial engagement of study leads

3. Train-the-trainer^a

Scored out of a maximum of 4 points

- 1 point for each clinical lead who attended the training day

4. Educational intervention delivery^a

Scored out of a maximum of 6 points

- 1 point for delivery of education to > 80% of medical staff per department

- 1 point for delivery of education to > 80% of nursing staff per department OR

- 0.5 points for delivery of education to 20–80% of medical staff per department

- 0.5 points for delivery of education to 20–80% of nursing staff per department (maximum 4 points)

PLUS

- 1 point for using provided presentation and key messages per department OR 0.5 points for similar presentation (maximum 2 points)

5. Use of other educational materials^a

Scored out of a maximum of 10 points

- 1 point for using video example of discussing with families a diagnosis of bronchiolitis in education of medical staff per department (maximum 2 points)

- 1 point for using video example of discussing with families a diagnosis of bronchiolitis in education of nursing staff per department (maximum 2 points)

- 1 point for using fact sheets (CXR, antibiotics, salbutamol) in education of medical staff per department (maximum 2 points)

- 1 point for using fact sheets (CXR, antibiotics, salbutamol) in education of nursing staff per department (maximum 2 points)

- 1 point for use of promotional materials per department (maximum 2 points)

6. Audit and feedback^a

Scored out of a maximum of 28 points

- 1 point for undertaking each monthly audit (maximum 7 points)

- 3.5 points for using written feedback per department for all audits OR 2 points for using written feedback per department for some audits (maximum 7 points)

- 3.5 points for using verbal feedback per department for all audits OR 2 points for using verbal feedback per department for some audits (maximum 7 points)

- 3.5 points for developing an action plan based on audit data per department for all audits OR 2 points for developing an action plan based on audit data per department for some audits (maximum 7 points)