Table 2.

Characteristics of selected participants.

No.	Gender	Age	Sessions completed	Degree	Discipline	Financing	Perceived improvement of stress	Diff. PSS-4
1	Female	25	8	Other	Medicine	Parents	Rather little	− 3
2	Male	32	8	Bachelor	Economy	Job	Rather little	− 4
3	Female	24	8	Master	Chemistry	Parents, job	Very much	− 4
4	Female	24	8	Bachelor	Psychology	Parents, job	Little	− 5
5	Male	22	7	Bachelor	Economy	Parents	Rather much	− 4
6	Female	21	8	Bachelor	Economy	Parents	Rather much	− 9
7	Male	20	8	Other	Medicine	Parents	Very little	− 3
8	Female	21	8	Bachelor	Psychology	Parents	Much	− 7
9	Male	30	8	Bachelor	Biology	Parents	Much	− 4
10	Female	22	8	Bachelor	Psychology	Federal support, Job	Rather much	− 6

Abbreviations: Perceived improvement of stress = answer given on a 6-point scale to the question ‘How much has your strain decreased?’, with reference to the treatment-period; Diff. PSS-4 = difference between pre- and post-measurement (8 weeks after randomization) on the 4-item version of the Perceived Stress Scale.