Suicide Ideation and Thwarted Interpersonal Needs among Psychiatric Inpatients: A Network Approach

Area of Science:

• Psychology
• Psychiatry
• Network Analysis

Background:

• The interpersonal psychological theory of suicide (IPTS) posits that thwarted belongingness (TB) and perceived burdensomeness (PB) contribute to suicidal ideation.
• Previous research often utilized subscale scores, potentially obscuring nuanced relationships between specific facets of these constructs and suicide risk.

Purpose of the Study:

• To evaluate the utility of item-level network analysis in examining the IPTS.
• To test the predictive validity of specific TB and PB items on passive and active suicide ideation.
• To explore the network structure of TB and PB facets.

Main Methods:

• Conducted an item-level network analysis on data from 402 psychiatric inpatients.
• Utilized items from the Interpersonal Needs Questionnaire to assess TB and PB.
• Compared the predictive power of individual facets against full subscales for suicide ideation.

Main Results:

• Only two specific items, representing feelings of burden on society and not belonging, uniquely predicted both passive and active suicide ideation.
• The tested facets of TB and PB did not form distinct, separate clusters within the network.
• Item-level analysis revealed specific predictors beyond broader subscale scores.

Conclusions:

• Item-level network analysis provides a more granular understanding of suicide risk factors within the IPTS framework.
• Specific feelings of burdensomeness and thwarted belongingness are critical targets for assessment and intervention.
• This methodology holds significant implications for conceptualizing, assessing, and predicting suicide risk in clinical settings.