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. 2019 Jun 21;21(6):e14265. doi: 10.2196/14265

Table 6.

Included weight loss maintenance interventions specifying persuasive system design (PSD) principles.

Study ID		WM^a 1 [57]	WM 2 [51]	WM 3 [52]	WM 4 [59]	WM 5 [55]	WM 6 [56]	WM 7 [54]	WM 8 [53]	WM 9 [50]	WM 10 [47]	WM 11 [58]
Primary task support
	Reduction	—^b	—	—	—	—	✓^c	✓	—	—	✓	—
	Tunneling	—	—	—	—	—	✓	✓	—	—	✓	—
	Tailoring	✓	✓	✓	✓	✓	✓	✓	M^d / A^e	✓	M	✓
	Personalization	✓	M	—	—	—	A	M	M	✓	M	✓
	Self-monitoring	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	M
	Simulation	✓	✓	—	✓	—	✓	✓	✓	✓	✓	—
	Rehearsal	—	—	—	—	—	✓	—	—	—	✓	—
Dialog support
	Praise	M	M	—	—	—	—	—	M	—	M	—
	Rewards	—	—	A	✓	M / A	✓	✓	—	—	✓	—
	Reminders	✓	✓	✓	✓	✓	✓	✓	✓	—	✓	—
	Suggestions	✓	—	—	✓	—	✓	✓	✓	—	✓	✓
	Similarity	—	—	—	—	—	—	—	—	—	—	—
	Liking	—	—	—	—	—	—	—	—	—	—	—
	Social role	—	—	—	—	—	—	—	—	—	✓	—
Social support
	Social learning	—	—	—	—	—	—	✓	—	—	—	—
	Social comparison	—	—	—	—	—	—	✓	—	—	✓	—
	Normative influence	—	—	—	—	—	—	—	—	—	—	—
	Social facilitation	—	—	✓	—	—	—	✓	—	—	—	—
	Cooperation	—	—	—	—	—	—	✓	—	—	—	—
	Competition	—	—	—	—	—	—	—	—	—	—	—
	Recognition	—	—	—	—	—	—	—	—	—	✓	—
Other
	Feedback	M / A	M	✓	✓	✓	A	✓	M	✓	M	✓
	Goal setting	✓	✓	✓	✓	✓	✓	✓	M	✓	—	✓
	Social support	—	✓	✓	—	—	✓	✓	M / A	✓	—	✓

^aWM: weight loss maintenance intervention.

^bNo PSD was identified applied.

^cPSD identified.

^dM: PSD mentioned applied to stimulate motivation.

^eA: PSD mentioned applied to stimulate adherence.