Table 2.

Types of e-therapies used in included studies.

E-therapy	Number of trialsa	Delivery platform	Clinical involvement	Academic involvement	Psychological theory or clinical approach used	Evidence of updates between studies
Beating the Blues	5	Web-based	Yb	Y	CBTc	Yes
Fear Fighter	2	Web-based	Y	Y	CBT	Could not be determined
Headspace	3	Phone-based	Nd	N	Mindfulness	Yes
IESO	1	Web-based	Y	Y	CBT	N/Ae
MoodGYM	11	Web-based	Y	Y	CBT	Could not be determined
SilverCloud Health	2	Web-based	Y	Y	CBT	N/A
WorkGuru	1	Web-based	Y	Y	CBT, mindfulness, and PPf	N/A

^aA total of 2 e-therapies were evaluated in one trial; therefore, the total number of trials exceeded the overall number of included studies.

^bY: yes.

^cCBT: cognitive behavioral therapy.

^dN: no.

^eN/A: not applicable, as e-therapy content was not assessed in multiple studies.

^fPP: positive psychology.