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Citation |
Ma JS, Batterham PJ, Calear AL, Han J. Suicide Life Threat. Behav. 2019; 49(1): 137-154. |
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Affiliation |
Center for Mental Health Research, Research School of Population Health, The Australian National University, Canberra, ACT, Australia. |
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Copyright |
(Copyright © 2019, American Association of Suicidology, Publisher John Wiley and Sons) |
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DOI |
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PMID |
29315743 |
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Abstract |
It remains unclear whether the Interpersonal Psychological Theory of Suicide (IPTS; Joiner, ) is generalizable to the population or holds more explanatory power for certain subgroups compared to others. The aim of this study was to (1) identify subgroups of individuals who endorsed suicide ideation in the past month based on a range of mental health and demographic variables, (2) compare levels of the IPTS constructs within these subgroups, and (3) test the IPTS predictions for suicide ideation and suicide attempt for each group. Latent class, negative binomial, linear, and logistic regression analyses were conducted on population-based data obtained from 1,321 adults recruited from Facebook. Among participants reporting suicide ideation, four distinct patterns of risk factors emerged based on age and severity of mental health symptoms. Groups with highly elevated mental health symptoms reported the highest levels of thwarted belongingness and perceived burdensomeness. Tests of the IPTS interactions provided partial support for the theory, primarily in young adults with elevated mental health symptoms. Lack of support found for the IPTS predictions across the subgroups and full sample in this study raise some questions around the broad applicability of the theory. Language: en |