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. 2010;39(1):77-89.
doi: 10.1080/15374410903401195.

Longitudinal prediction of adolescent nonsuicidal self-injury: examination of a cognitive vulnerability-stress model

John D Guerry  1 , Mitchell J Prinstein
Affiliations

Longitudinal prediction of adolescent nonsuicidal self-injury: examination of a cognitive vulnerability-stress model

John D Guerry et al. J Clin Child Adolesc Psychol. 2010.

Abstract

Virtually no longitudinal research has examined psychological characteristics or events that may lead to adolescent nonsuicidal self-injury (NSSI). This study tested a cognitive vulnerability-stress model as a predictor of NSSI trajectories. Clinically-referred adolescents (n = 143; 72% girls) completed measures of NSSI, depression, attributional style, and interpersonal stressors during baseline hospitalization. Levels of NSSI were reassessed 3, 6, 9, 15, and 18 months later. Latent growth curve analyses suggested that a cognitive vulnerability-stress interaction significantly predicted increases in NSSI between 9 and 18 months post-baseline. This association remained significant while considering the longitudinal association between depressive symptoms and NSSI; results were not significantly mediated by depressive symptoms at 9 months.

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Figures

FIGURE 1
FIGURE 1
Conditional growth curve model depicting the longitudinal prediction of nonsuicidal self-injury from baseline exogenous predictors. Note: BL =baseline measure of nonsuicidal self-injury; 3, 6, 9, 15, and 18 =correspond to month (post-baseline) measures of nonsuicidal self-injury; AS × LE =interaction of attributional style and interpersonal life events.
FIGURE 2
FIGURE 2
Predicted nonsuicidal self-injury between 9 months and 18 months post-baseline as a function of baseline attributional style and stressful life events (based on conditional latent growth curve model parameter estimates).
See this image and copyright information in PMC

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