Introduction: This study examined relationships between personality disorder (PD) features, Big Five personality traits, and interpersonal problems with anxiety.
Method: Older adults (N = 130) completed the Geriatric Anxiety Scale, Coolidge Axis Two Inventory, Big Five Inventory-2, and Circumplex Scales of Interpersonal Problems. Pearson correlation analyses were used to assess simple relationships between anxiety with PD features (CATI scales), Big Five personality domains (BFI-2 scales), and interpersonal problems (CSIP scales). Multiple linear regression analyses were performed to determine the extent to which the PD scales of the CATI, the personality scales of the BFI-2, and the scales of the CSIP explained variance in anxiety.
Results: Anxiety was positively correlated with 13 of 14 PD scales, ranging from .23 (Narcissistic) to .61 (Depressive). Regarding Big Five personality traits, anxiety was negatively associated with Agreeableness (-.23), Conscientiousness (-.30), and Extraversion (-.31) but was positively associated with Negative Emotionality (.56). Regarding interpersonal problems, anxiety was positively related to all eight CSIP scales, ranging from Self-sacrificing (.30) to Distant/Cold (.62). Regression analyses indicated that PD features accounted for the most variance in anxiety symptoms (53%), followed by interpersonal problems (46%), and Big Five personality traits (33%).
Discussion: Anxiety appears to be meaningfully associated with PD features, several aspects of Big Five personality traits, and interpersonal problems, suggesting that these variables may play important roles in the development and maintenance of anxiety, or vice versa. Our findings especially speak to the growing awareness of the deleterious impact of PD features on clinical syndromes in later life, as evidenced by strong comorbidities with anxiety.
Keywords: Personality disorder features; aging; anxiety; comorbidity; interpersonal functioning.