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<p>This study investigated the Frost Multidimensional Perfectionism Scale (FMPS) sensitivity and specificity to discriminate clinical and non-clinical groups of Obsessive-Compulsive Personality Disorder (OCPD), proposing a cut-off to OCPD traits screening. The sample consisted of 604 Brazilian adults aged 18-74 who answered the FMPS subscales, facets from the Personality Inventory for DSM-5 (PID-5), and the Dimensional Clinical Personality Inventory– Screening Version (IDCP-SV). Latent Profile Analyses indicated a 3-profile solution based on OCPD indicators: clinical profile (higher perseveration, rigid perfectionism, and global pathological personality), moderate symptoms profile (median scores on the indicators), and non-clinical (lower means on the indicators). The profiles were congruent with the level of OCPD traits. Furthermore, the FMPS was significant in predicting the clinical and moderate symptom profiles compared to the non-clinical profile, indicating that people with higher means of FMPS tend to belong to the first two groups. Furthermore, the FMPS presented good sensitivity and specificity to discriminate the clinical and non-clinical profile, supporting a cut-off of 3.0 for detecting OCPD traits. These findings indicate positive correlations between OCPD and perfectionism and support the clinical use of FMPS and its cut-off to OCPD screening.</p>

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Obsessively perfectionist: a clinical cut-off for obsessive-compulsive personality using multidimensional perfectionism

  • 期刊论文

  • 发表日期：

    2025年5月27日

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  • Marcela Mansur-Alves,
  • Gisele Magarotto Machado,
  • Lucas de Francisco Carvalho

摘要

This study investigated the Frost Multidimensional Perfectionism Scale (FMPS) sensitivity and specificity to discriminate clinical and non-clinical groups of Obsessive-Compulsive Personality Disorder (OCPD), proposing a cut-off to OCPD traits screening. The sample consisted of 604 Brazilian adults aged 18-74 who answered the FMPS subscales, facets from the Personality Inventory for DSM-5 (PID-5), and the Dimensional Clinical Personality Inventory– Screening Version (IDCP-SV). Latent Profile Analyses indicated a 3-profile solution based on OCPD indicators: clinical profile (higher perseveration, rigid perfectionism, and global pathological personality), moderate symptoms profile (median scores on the indicators), and non-clinical (lower means on the indicators). The profiles were congruent with the level of OCPD traits. Furthermore, the FMPS was significant in predicting the clinical and moderate symptom profiles compared to the non-clinical profile, indicating that people with higher means of FMPS tend to belong to the first two groups. Furthermore, the FMPS presented good sensitivity and specificity to discriminate the clinical and non-clinical profile, supporting a cut-off of 3.0 for detecting OCPD traits. These findings indicate positive correlations between OCPD and perfectionism and support the clinical use of FMPS and its cut-off to OCPD screening.