Table 2.

Treatments tested as stand-alone approaches, in combination, or as one of several arms in the studies (n=123).

Treatment approaches	Tests, n (%)
Acceptance and commitment therapy	4 (3.3)
Behavioral activation	9 (7.3)
Cognitive behavioral therapy	82 (66.7)
Information	1 (0.8)
IPDTa: affect-focused psychodynamic psychotherapy	2 (1.6)
Life review therapy	1 (0.8)
Mindfulness	4 (3.3)
Physical activity	3 (2.4)
Problem-solving therapy	13 (10.6)
Psychodynamic treatment	1 (0.8)
Sleep diary	1 (0.8)
Social cognitive theory	1 (0.8)
Stress process model	1 (0.8)

^aIPDT: internet-based psychodynamic therapy.