Table 2.

Mode of delivery used by the included interventions.

References	Delivery platform				Social network	Treatment recommendations				Cost
	App	Computers	Both	Other		Self-care	Informal support	Formal service	Other	Free	Paid	Not stated
Batterham et al [39]	N/Aa	N/A	Xb	X	X	X	X	N/A	X	N/A	N/A	X
Batterham et al [38]	N/A	X	N/A	N/A	X	X	X	N/A	X	X	N/A	N/A
Billings et al [40]	N/A	X	N/A	N/A	N/A	X	N/A	X	X	X	N/A	N/A
Chiauzzi et al [42]	N/A	X	N/A	N/A	N/A	X	N/A	N/A	X	N/A	N/A	X
Eimontas et alc [50]	N/A	N/A	X	N/A	N/A	X	N/A	N/A	N/A	X	N/A	N/A
Farrer et al [49]	N/A	N/A	X	N/A	N/A	X	N/A	N/A	X	N/A	N/A	X
Fulmer et al [48]	N/A	N/A	N/A	X	N/A	X	N/A	N/A	X	X	N/A	N/A
Haga et al [53]	N/A	N/A	X	N/A	N/A	X	N/A	N/A	N/A	X	N/A	N/A
Ketelaar et al [41]	N/A	X	N/A	N/A	N/A	X	N/A	N/A	X	N/A	N/A	X
Mak et al [43]	N/A	N/A	X	N/A	X	X	N/A	N/A	X	X	N/A	N/A
Ludtke et al [47]	X	N/A	N/A	N/A	N/A	X	N/A	N/A	X	N/A	N/A	X
Moberg et al [5]	X	N/A	N/A	N/A	X	X	X	N/A	N/A	N/A	N/A	X
Proudfoot et alc [37]	N/A	N/A	X	N/A	N/A	X	N/A	N/A	X	X	N/A	N/A
Querstret et al [54]	N/A	X	N/A	N/A	N/A	X	N/A	N/A	N/A	X	N/A	N/A
Stallman et al [46]	X	N/A	N/A	N/A	X	X	X	X	N/A	X	N/A	N/A
Viskovich et alc [45]	N/A	X	N/A	N/A	N/A	X	N/A	N/A	N/A	X	N/A	N/A

^aN/A: not applicable.

^bX: indicated feature.

^cData from Eimontas 2018 [50], Proudfoot 2013 [37], and Viskovich 2019 [45] used for intervention description here.