Table 2.

Research questions of process evaluation

	Domain	Research question
Intervention	Delivery to clusters	1. Was the intervention delivered as intended to each nursing home (cluster)?
	Response of individuals	2. Which learning processes of the target population took place in response to the intervention?
		3. What is the attitude of the target population toward the intervention?
	Response of clusters	4. How was the intervention adopted by each nursing home (cluster)?
	Recruitment of cluster	5. How were nursing homes (clusters) sampled and recruited for the FallDem study?
		6. Why have the nursing homes participated (or not) in the FallDem study?
	Recruitment and reach of individuals	7. How were participants in the intervention recruited by the cluster, and which individuals in the target population actually received the intervention?
	Context	8. What is the context in which the intervention is being implemented?
		9. What contextual factors promoted or inhibited the implementation of the intervention?
Implementation strategy	Delivery to clusters	10. Was the implementation strategy delivered as intended for each nursing home (cluster)?
	Response of individuals	11. What is the attitude of the target population toward the implementation strategy?
	Response of cluster	12. How was the implementation strategy adopted by each nursing home (cluster)?
	Recruitment and reach of individuals	13. How were the participants in the implementation strategy recruited by the nursing homes (clusters), and which individuals in the target population actually received the implementation strategy?