| Enrollment | Allocation | Study period | |||||
---|---|---|---|---|---|---|---|---|
Pre | Intervention | Post | ||||||
Time point | -t1 | 0 | t1 | t2 | t3 | t4 | t5 | t6 |
Enrollment | Â | Â | Â | Â | Â | Â | Â | Â |
 Eligibility screen | X |  |  |  |  |  |  |  |
 Informed consent | X |  |  |  |  |  |  |  |
 Allocation |  | X |  |  |  |  |  |  |
Interventions | Â | Â | Â | Â | Â | Â | Â | Â |
 Stress induction |  |  |  |  | X |  |  |  |
 VR relaxation |  |  |  |  |  | X |  |  |
 Freely chosen relaxation |  |  |  |  |  | X |  |  |
Assessments | Â | Â | Â | Â | Â | Â | Â | Â |
 Self-report measures |  |  |  |  |  |  |  |  |
  Depression, anxiety, and stress |  |  | X |  |  |  |  |  |
  Chronic stress |  |  | X |  |  |  |  |  |
  Trait rumination |  |  | X |  |  |  |  |  |
  Perceived stress |  |  | X |  |  |  |  |  |
  Self-efficacy |  |  | X |  |  |  |  |  |
  Mindful attention and awareness |  |  | X |  |  |  |  |  |
  State stress |  |  |  | X | X | X | X | X |
  State relaxation |  |  |  | X | X | X | X | X |
  State mood |  |  |  | X | X | X |  | X |
  State rumination |  |  |  | X | X | X |  | X |
  Post-event processing |  |  |  |  |  | X |  | X |
  Sense of presence in VR |  |  |  |  |  | X |  |  |
 Physiological data |  |  |  |  |  |  |  |  |
  Heart rate |  |  |  | X | X | X | X |  |
  Heart rate variability |  |  |  | X | X | X | X |  |
  Tonic skin conductance level |  |  |  | X | X | X | X |  |
  Phasic skin conductance responses |  |  |  | X | X | X | X |  |
  Respiration rate |  |  |  | X | X | X | X |  |
  Systolic and diastolic blood pressure |  |  |  | X | X | X | X |  |