Table 2.

Behaviour change techniques adopted*

	1. Intervention arm	1a How	2. Control arm (standard service)	2a How
1.1 Goal setting (behaviour)	x	What, when, where—smartphone and paper	x	What, Where—paper
1.3 Goal setting (outcome)	x	Smartphone verbally	x	Verbally
1.4 Action planning	x	Smartphone
1.5 Review behavioural goals	x	Smartphone verbally	x	Paper verbally
1.7 Review outcome goals	x	Smartphone verbally	x	Verbally
2.2 Feedback on behaviour	x	Smartphone verbally	x	Verbally
4.1 Instructions on how to perform the behaviour	x	Physically smartphone paper	x	Physically Paper
5.1 Information about health consequences	x	Smartphone verbally (ad hoc)	x	Verbally (ad hoc)
5.6 Emotional consequences	x	Smartphones verbally (ad hoc)	x	Verbally (ad hoc)
6.1 Demonstration of behaviour	x	Physically	x	Physically
7.1 Prompts	x	Smartphone
8.7 Graded tasks	x	Smartphone paper	x	Paper

*Based on Michie et al’s ²⁸ behaviour change taxonomy.