Community participatory learning and action cycle groups to reduce type 2 diabetes in Bangladesh (D:Clare): an updated study protocol for a parallel arm cluster randomised controlled trial

Table 1 Status of the D:Clare stepped-wedge trial at the point of COVID-19 field activity suspension on the 20th of March 2020

	Milestone	Status
Administration	Ethical approvals	Approvals received from University College London (07/11/22) and the Diabetic Association of Bangladesh (03/12/19)
	Trial registration	Registered on 31/10/19
	Community entry, consent and public randomisation.	Meeting held 16/01/20
Evaluation	Community census for development of sampling frame	Data collection completed 04/02/20
	Recruitment and training of survey field staff	Training completed 10/02/20
	Baseline cross-sectional survey (target sample=1320 across the 12 study clusters)	Interrupted. 72% of the survey completed, with data gathered across all clusters, by 20/03/20. Follow-up data cleaning was conducted by phone.
Intervention	Recruitment and training of PLA community group intervention facilitators and supervisors	Completed
Intervention	Formation of PLA community groups in 6 clusters	Completed

ISSN: 1745-6215