| BAI | Beck Anxiety Inventory |
| BDI-II | Beck Depression Inventory II |
| BFI-10 | Big Five Inventory-10 |
| CG | control group |
| DSM | Diagnostic and Statistical Manual of Mental Disorders |
| DZI | Center for Immune Therapy in Germany |
| FFMQ-D | Five Facet Mindfulness Questionnaire |
| HAMD-17 | Hamilton Rating Scale for Depression—17 |
| HRV | heart rate variability |
| IG | intervention group |
| IL | interleukin |
| LDL | low-density lipoprotein |
| MAAS | Mindful Attention and Awareness Scale |
| MADRS | Montgomery–Åsberg Depression Rating Scale |
| MDE | major depressive episode |
| MDRS-22 | Male Depression Risk Scale |
| PHQ-9 | Patient Health Questionnaire |
| PSQI | Pittsburgh Sleep Quality Index |
| PSS-10 | Perceived Stress Scale—10 |
| RS-25 | Resilience Scale—25 |
| SASKO | Fragebogen zu sozialer Angst und sozialen Kompetenzdefiziten |
| TAU | treatment as usual |
| TGF | transforming growth factor |
| TNF | tumor necrosis factor |