Table 1.

Acceptability of the BRIGHT intervention components based on the theoretical framework of acceptability

Construct	Theme
Class-room based lesson
Affective attitude and perceived effectiveness	Engagement (staff and pupils) Materials and activities (staff and pupils) More information (pupils) Curriculum (staff)
Self-efficacy	Confidence in delivering the lesson (staff)
Ethicality	Importance of oral health (staff and pupils)
Burden	Preparation required (staff)
Text messages
Affective attitude and perceived effectiveness (pupils)	Frequency and repetitiveness Timing More information Engagement Control
Ethicality (pupils)	Importance of oral health