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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
60
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.
Time frame: 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.
Time frame: 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.
Time frame: 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.
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Time frame: 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.
Time frame: 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 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.
Time frame: 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.
Time frame: 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.
Time frame: 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.
Time frame: 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)