Table 3.

Timeline for measurements

Study measures	Pre-randomisation visit	Pre-workshop survey	Post-workshop	Six months
Anthropometric measures
Blood pressure measurements	X		X	X
Height and weight	X		X	X
Questionnaire measures
Demographics	X
Tobacco use		X	X	X
Alcohol use		X	X	X
Fruit and vegetable intake		X	X	X
Dietary intake (Dietary Screening Questionnaire)		X	X	X
Physical activity (Global Physical Activity Questionnaire)		X		X
Medication history		X		X
Medical history		X		X
Self-efficacy for managing chronic diseases (Six item scale)		X	X	X
Medication adherence (Hill Bone Compliance)		X	X	X
Church leaders only
Organisational readiness for implementing change	X			X
Feasibility of Intervention Measures	X			X
Acceptability of Intervention Measure	X			X
Ongoing assessment
WhatsApp group messages—continuous	Messages generated in the chat will be used to explore the barriers and facilitators persons living with uncontrolled hypertension face in adhering to medication