Table 1.

Characteristics of selected participants

Participant	Gender	Age	Martial status	Employmenta	Treatment groupb	CGI-Ic
1	Female	62	Single	Employed	Email	Very much
2	Male	40	Married	Employed	Email	Much
3	Male	61	Married	Registered sick	Email	Minimally
4	Male	30	Partner	Employed	Email	No change
5	Female	29	Partner	Employed	Self-help	Very much
6	Female	28	Partner	Employed	Self-help	Much
7	Male	22	Partner	Student	Self-help	Minimally
8	Male	33	Single	Employed	Self-help	Minimally
9	Male	20	Single	Student	Control	Very much
10	Female	60	Single	Registered sick	Control	Much
11	Female	47	Single	Employed	Control	Minimally
12	Female	24	Single	Employed	Control	Minimally

^aEmployed; full time or part time

^bThe control group completed the self-help program after the active treatment groups had finished their treatment

^cImprovement measured with CGI-I, Clinical Global Impressions-Improvement, at 6-month follow-up