Table 1.

Stepped wedge trial design and implementation timeline

Month	Wedge 1 Facilities	Wedge 2 Facilities
0	Medication Chart Audit 1
1–6	Intervention • Election of key contact person • Dissemination of introductory newsletter to stakeholders • Face-to-face education for facility staff • Provided printed educational resources • Dissemination of second newsletter to feedback baseline medication chart audit results to stakeholders	Control
6	Medication Chart Audit 2
7–12	Intervention • Meeting and development of quality improvement plan • Dissemination of third newsletter to feedback six month medication chart audit results to stakeholders	Intervention (as per months 1–6 for wedge 1)
12	Medication Chart Audit 3
13–18	Sustainment	Intervention (as per months 7–12 for wedge 1)
18	Medication Chart Audit 4