Personality assessment of homeless adults as a tool for service planning

The psychiatric status of homeless adults has been described primarily in terms of Axis I disorders. By adding a subset of the Personality Assessment Inventory, this study tests the feasibility and usefulness of a brief, self-administered questionnaire to obtain scores on several dimensions of personality. Cluster analysis sorted 112 tested subjects into four groups characterized by distinct profiles. Two of these were characterized by extreme scores on pathological dimensions of personality (borderline features, antisocial traits, and aggressivity) and differed primarily on the dimension of suicidality. The third reflected moderate levels of personality dysfunction and the fourth did not deviate from adult nonclinical norms. The validity of the clusters was supported by demographic, background, and diagnostic subgroup differences. Brief personality assessment can be a cost-effective approach to matching services with clinical needs of homeless adults by attending to interpersonal dimensions that will likely affect service provision.