• I Curio and O B Scholz.
• Psychologisches Institut Lehrstuhl für Klinische und Angewandte Psychologie der Universität, Römerstraße 164, W-5300, Bonn 1, BRD.
• Schmerz. 1990 Dec 1;4(4):207-13.

AbstractIn this study carried out in a sample of 80 patients suffering from rheumatoid arthritis (RA) tried an attempt was made to answer the following questions: 1. are there pain factors with a wider range that are more generally applicable than those covered by current German questionnaires? 2. To what extent can somatic parameters predict pain factors? 3. To what extent can a patient's pain behavior (a patient's activity scores) predict pain factors? The study was based on data collected by means of the Pain Experience Questionnaire (PEQ), the McGill Pain Questionnaire MPQ, the West Haven-Yale Multidimensional Pain Inventory WHYMPI, the Measurement Of Patient Outcome Scale MOPO, as well as six different clinical parameters. By means of factor analysis, two second-order factors were extracted, representing 1. the patient's impairment due to intensive pain and 2. socio-emotional consequences of pain. At a statistically significant level, the first factor can be predicted by the clinical variables. Regression of the activity scores on the factor "socio-emotional consequences" suggests a close correlation between the two variables, although the results failed to reach statistical significance. On the whole, the results strongly support the notion of integrating clinical, behavioral and cognitive findings in the diagnostic assessment of chronic rheumatoid pain patients.

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