Table 1.

Structure of NGT group sessions

Task	Description of task	Time for staff groups (minutes)	Time for consumer group (minutes)
Introduction	Introduction to the topic, purpose of the study, and explanation of the agenda provided.	10	15
Silent generation of ideas	Participants were provided with the NGT guide. Participants read the question and wrote down their ideas individually for each question without any form of discussion.	10	10
Sharing ideas	There was a round robin where each participant shared an idea with the group. The process was repeated until all ideas were shared. Participant ideas were typed into a Microsoft Excel spreadsheet and displayed on the screen so all participants could see them.	10	15
Group discussion	A collaborative dialogue where terms and ideas were clarified (removed, grouped, separated, renamed) as required.	10	15
Silent voting	Each participant privately voted to rank the ideas in order of importance (1?5) in response to each question.	10	10
Discussion of vote	Votes were collated and presented to the group. There was an opportunity for the group to discuss the outcome of the vote.	5	15
Conclusion	Final comments, and participants were thanked for their time and the meeting was concluded.	5	10