Scala JW, Levy KN, Johnson BN, Kivity Y, Ellison WD, Pincus AL, Wilson SJ, Newman MG
J Pers Disord. 2018 Jan;32(Supplement):36-57. doi: 10.1521/pedi.2018.32.supp.36.
Outpatients diagnosed with either borderline personality disorder (BPD) (n = 36) or any anxiety disorder but no BPD (n = 18) completed surveys throughout the day over a 21-day period. Higher levels of momentary negative affect predicted greater subsequent urges to self-injure, but only when self-concept clarity was low (z = −3.60, p < .01). This effect did not differ between diagnostic groups. The results suggest that self-concept clarity has a protective effect against self-injurious urges in light of high negative affect, and that this effect may be transdiagnostic.