Psychological interventions for chronic pain management in the in-patient setting

INTERVENTION: Group 1: Patients undergo an inpatient treatment program for chronic pain disorders, which includes medical, nursing, psychological, and physiotherapeutic interventions, as well as other treatment measures (occupational therapy, dietology) for an average duration of 10 days. Upon admission and discharge, questionnaires are distributed, and heart rate variability measurements are conducted. In the follow‐up, patients complete an ecological momentary assessment for 3 months. The EMA will take place on 4 random days per week, on each day there will be 7 prompts. As part of the psychological interventions, they learn the body scan as a pain management technique. To control for adherence, participants will be asked weekly how often they practiced the instructions. Group 2: Patients undergo an inpatient treatment program for chronic pain disorders. As part of the psychological interventions, they learn a breathing exercise as a pain management technique. Group 3: Patients undergo an inpatient treatment program for chronic pain disorders. As part of the psychological interventions, they receive psychoeducation on pain management (treatment‐as‐usual, control group). CONDITION: ; R52.1 Chronic intractable pain PRIMARY OUTCOME: The following questionnaires will be assessed upon admission, discharge and 3 months later:; ; German pain questionnaire (German pain association, 2019); Body Perception Questionnaire (BPQ‐SF, Porges, 1993/2015); Mindfulness, attention and awareness scale (MAAS, Michalak et al., 2008) SECONDARY OUTCOME: Upon admission and admittance HRV baseline will be measured. INCLUSION CRITERIA: Chronic pain disorder according to the WHO (min. 3 months)