Personality disorders in older adults: Differences in self ‐informant ratings

We examined self-informant agreement in PD screening among older adults ( ≥60 years) using the Gerontological Personality disorders Scale (GPS). Potential differences such as who reports more personality pathology on a PD screener (i.e., GPS), item accessibility and the effect of relational aspects were studied as well. Data of 326 older adult-informant dyads, of whic h the older adults were sampled from five general practices in the Netherlands, were used. Results indicate that self-informant agreement ranged fromr = 0.26–0.73, with lower concordance on the GPS-subscale measuring intrapersonal aspects of personality pathology. Informants were more sensitive to habitual pathological personality features than older adults. Two GPS items showed differential item functioning across self- and informant-repor t. Of relational aspects, only congeniality affected the GPS-iv scores; lower ratings on congeniality were associated with higher GPS-iv scores (i.e., higher reporting of personality problems).

Source: Personality and Mental Health - October 3, 2023 Category: Psychiatry Authors: Krystle A. P. Penders, Gina Rossi, Inge Debast, Daniel L. Segal, Inge G. P. Peeters, Job F. M. Metsemakers, Sebastiaan P. J. van Alphen Tags: RESEARCH ARTICLE Source Type: research