Table 1.

Example of Category Development

	Category	Subcategories	Codes
	Q12. Please tell us why you include or do not include closing questions in your interviews
Data		Adding to existing data	Add richness to data
			Detailed descriptions
			Enhance the conversation
			Ensure research question explored fully
			Tie up loose ends
		Collect data	Capture missed relevant information
			Generate data
			Prompt interesting comments
			Retrieve data from an inaccessible area
			Uncover hidden findings
		Modify questions	Ideas for questions
			Modify interview protocol/guide
		Uncover new areas/topics to explore	Expose areas to explore
			Finding something unique