Table 6.

Key barriers, implemented interventions, and associated behavior change techniques

Key barriers	Implemented interventions	Behavior change techniques
Social influences	• Screensaver implemented with key messages targeting social influences	Credible source; Information about health consequences, and social/ environmental consequences; Prompts/cues; Social processes of encouragement, pressure, and support; Provide information about others approval
	• Awareness day/ awareness week*
Emotion	• Screensaver implemented with key messages targeting emotion	Anticipated regret; Salience of consequences; Framing/reframing
	• Posters implemented with key messages targeting emotion
Environmental context and resources	• New documentation released (care pathway for NG tubes)	Prompts/cues; Adding objects to the environment
	• Radiology and wards systems change initiated^
	• Enteral feeding nurse employed*
Skills and Beliefs about Capabilities	• Faculty, nurse, and FY1 training with practical elements**	Instruction on how to perform a behavior; Behavioral practice/rehearsal; Increasing skills; Modelling; Social processes of support; Information about health consequences; Credible source
	• E-learning package** (*with video modelling procedure)
	• Awareness day/week* (also covers social influences)

*Only implemented as part of the intervention in H2; ** H3 did not have the resource to provide this intervention; ^ = H2 chose not to implement this strategy.