4.7 Article

Dynamic associations between interpersonal needs and suicidal ideation in a sample of individuals with eating disorders

Journal

PSYCHOLOGICAL MEDICINE
Volume 51, Issue 9, Pages 1516-1523

Publisher

CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0033291720000276

Keywords

belongingness; burdensomeness; eating disorders; interpersonal theory of suicide; longitudinal; suicidal ideation

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In individuals with eating disorders, feelings of burdensomeness have a significant impact on suicidal ideation, while there is no significant influence of thwarted belongingness or the interaction between burdensomeness and belongingness on suicidal ideation.
Background Over half of individuals with eating disorders experience suicidal ideation at some point in their lives, yet few longitudinal studies have examined predictors of ideation in this at-risk group. Moreover, prospective research has focused on relatively distal or trait-level factors that are informative for distinguishing who is most at risk but not when. Little is known about more proximal or state-level risk factors that fluctuate within an individual, which is critical for determining when a person is most likely to engage in suicidal behaviors. Methods Women (N = 97) receiving treatment for their eating disorder completed questionnaires weekly to assess suicidal ideation and interpersonal constructs (i.e. perceived burdensomeness, thwarted belongingness) theorized to be proximal predictors of suicidal desire. Longitudinal multilevel models were conducted to examine both within- and between-person predictors of suicidal ideation across 12 weeks of treatment. Results Statistically significant within-person effects for burdensomeness (beta = 0.06; p < 0.001) indicate that when individuals have greater feelings of burdensomeness compared to their own average, they also experience higher suicidal ideation. We did not find any significant influence of thwarted belongingness or the interaction between burdensomeness and belongingness on suicidal ideation. Conclusions This study was the first to examine dynamic associations between interpersonal constructs and suicidal ideation in individuals with eating disorders. Results are only partially consistent with the Interpersonal Theory of Suicide and suggest that short-term changes in burdensomeness may impact suicidal behavior in individuals with eating disorders.

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