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. 2023 May-Jun;30(3):611-619.
doi: 10.1002/cpp.2822. Epub 2023 Jan 15.

Clinimetric properties of the diagnostic criteria for psychosomatic research among the elderly

Caterina Romaniello  1 , Sara Romanazzo  1 , Fiammetta Cosci  2   3   4
Affiliations

Clinimetric properties of the diagnostic criteria for psychosomatic research among the elderly

Caterina Romaniello et al. Clin Psychol Psychother. 2023 May-Jun.

Abstract

Introduction: Among the elderly, the availability of tool assessing psychosomatic syndromes is limited. The present study aims at testing inter-rater reliability and concurrent validity of the semi-structured interview for the Diagnostic Criteria for Psychosomatic Research (DCPR-R-SSI) in the elderly of the general population.

Method: One hundred eight subjects were recruited. Participants received a clinical assessment which included the DCPR-R-SSI, the Illness Attitude Scale (IAS), the Geriatric Depression Scale (GDS), the Psychosocial Index (PSI), the Toronto Alexithymia Scale-20 (TAS-20). Analyses of inter-rater reliability of DCPR-R-SSI and concurrent validity between DCPR-R-SSI and self-administered questionnaires were conducted.

Results: DCPR-R-SSI showed excellent inter-rater reliability with a percent of agreement of 90.7% (K Cohen: 0.856 [SE = 0.043], 95% CI: 0.77-0.94). DCPR-R demoralization showed fair concurrent validity with GDS; concurrent validity was also fair between DCPR-R Alexithymia and TAS-20, and between DCPR-R allostatic overload and PSI allostatic load, while the concurrent validity between DCPR-R Disease Phobia and IAS was moderate.

Conclusion: DCPR-R-SSI represents a reliable and valid tool to assess psychosomatic syndromes in the elderly. DCPR-R is in need of being implemented in the elderly clinical evaluation.

Keywords: DPCR; concurrent validity; elderly; inter-rater reliability; psychosomatic syndromes.

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