An artificial, anonymized data set based on a project related to the development and persistence of somatic symptoms.
The data consists of nine variables from 1140 observations (380 patients at three time points):
ID: A unique identifier for each participantdisease_group: Classification of main disease from patient, e.g. chronic kidney disease (CKD), Ulcerative colitis, Irritable Bowel Syndrome (IBS) and others.phq15: Total score of the PHQ-15 questionnaire (Patient Health Questionnaire-15), measuring the somatic symptoms severitysymptoms_unreal: Question regarding perceived stigma related to somatic symptoms, asking "People believe that my symptoms are not a real illness". Answer categories ranged from"strongly disagree","disagree","neutral","agree", and"strongly agree"."I have no complaints"was the residual category for patients without specific somatic symptoms.time3: Measurement point (baseline, and two follow-ups)education: Educational level, measured according to the CASMIN classification.sex: The participant's sexage_z: Age of patient, standardized
