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| Name | Class |
|---|---|
| Universität Tübingen | OTHER |
| Harvard Medical School (HMS and HSDM) | OTHER |
Aim of the study is the evaluation of the effects (psychological and physiological) of an hrv-biofeedback training, a mindfulness training and a combination of both training methods for stress reduction.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| HRV-Bfb | Experimental | HRV biofeedback, training about 30 minutes/day |
|
| MBI | Experimental | Mindfulness based intervention, training about 30 minutes/day |
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| MBI_HRV-Bfb | Other | Mindfulness based HRV biofeedback. Wait list control group for the interventions HRV-Bfb and MBI, after the main phase intervention with combined method. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| HRV_Bfb | Behavioral |
| ||
| MBI |
| Measure | Description | Time Frame |
|---|---|---|
| Alteration in psychological parameters of stress perception after training | We assessed psychological parameters of stress perception with the following questionnaire: TICS ("Trierer Inventar zum chronischen Stress"; Schulz, Schlotz & Becker, 2004). Alteration in data will be statistically compared. | H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |
| Alteration in psychological parameters of stress coping (behavioral skills) after training | We assessed psychological parameters of stress coping with the following questionnaire: SVF 120 ("Stressverarbeitungsfragebogen; Janke & Erdmann, 1997). Alteration in data will be statistically compared. | H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |
| Alteration in psychological parameters of stress coping (behavior pattern) after training | We assessed psychological parameters of stress coping with the following questionnaire: AVEM ("Arbeitsbezogene Verhaltens- und Erlebensmuster"; Schaarschmidt & Fischer, 2008). Alteration in data will be statistically compared. | H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |
| Alteration in physiological parameters of stress: HRV parameters | For the physiological assessment of HRV we used the HRV-Scanner from BioSign GmbH which gathers different HRV parameters like RMSSD and pNN50. HRV was assessed before and after a stressor (Stroop Color-Word Task (based on findings by Stroop, 1935) and D2-R Concentration and Endurance test (Brickenkamp et al., 2010). Alteration in data will be statistically compared. |
| Measure | Description | Time Frame |
|---|---|---|
| Alteration in psychological parameters of psychological wellbeing after training | We assessed psychological wellbeing with the following questionnaire: HEALTH-49 ("Kurzversion der Hamburger Module zur Erfassung allgemeiner Aspekte psychosozialer Gesundheit für die therapeutische Praxis"; Rabung, Harfst, Koch & Schulz, 2007). Alteration in data will be statistically compared. | H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D013315 | Stress, Psychological |
| ID | Term |
|---|---|
| D001526 | Behavioral Symptoms |
| D001519 | Behavior |
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| MBI_HRV_Bfb | Behavioral |
|
| H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |
| Alteration in physiological parameters of stress: Salivary cortisol | Cortisol was assessed as salivary cortisol (one sample per subject per assessment point). Alteration in data will be statistically compared. | H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |
| Alteration in psychological parameters of depression after training | We assessed depressive symptoms with the following questionnaire: Beck Depressions-Inventar (BDI-II; Hautzinger, Keller & Kühner; 2006). Alteration in data will be statistically compared. | H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |
| Alteration in psychological parameters of mindfulness after training | We assessed mindfulness with the following questionnaire: FFA 14 ("Kurzversion des Freiburger Fragebogens zur Achtsamkeit"; Walach et al., 2006). Alteration in data will be statistically compared. | H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |
| Alteration in psychological parameters of self-compassion after training | We assessed self-compassion with the following questionnaire: SCS-D-Kurzform ("Self-Compassion Scale"; Hupfeld & Ruffieux, 2011). Alteration in data will be statistically compared. | H0: Baseline time point of assessment prior to training H1: Post training time point of assessment (6 weeks after H0) H2: Follow-up (12 weeks after H0) H3: Post training time point of assessment for former wait-list control group (18 weeks after H0) |