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Supplemental material, sj-docx-1-cpx-10.1177_21677026221120426 for Examining Blunted Initial Response to Reward and Recent Suicidal Ideation in Children and Adolescents Using Event-Related Potentials: Failure to Conceptually Replicate Across Two Independent Samples by Austin J. Gallyer, Kreshnik Burani, Elizabeth M. Mulligan, Nicholas Santopetro, Sean P. Dougherty, Min Eun Jeon, Brady D. Nelson, Thomas E. Joiner and Greg Hajcak in Clinical Psychological Science

Supplemental material, sj-pdf-1-cpx-10.1177_21677026211000670 for Suicide Ideation and Thwarted Interpersonal Needs Among Psychiatric Inpatients: A Network Approach by Sarah L. Brown, Andrew J. Marshall, Sean M. Mitchell, Jared F. Roush, Gregory H. Mumma, Danielle R. Jahn, Jessica D. Ribeiro, Thomas E. Joiner and Kelly C. Cukrowicz in Clinical Psychological Science

Supplemental material, sj-pdf-2-asm-10.1177_10731911211033897 for Development and Initial Validation of a Scale Assessing Suicide-Specific Rumination: The Suicide Rumination Scale by Megan L. Rogers, Keyne C. Law, Claire Houtsma, Raymond P. Tucker, Michael D. Anestis and Thomas E. Joiner in Assessment

Supplemental material, sj-pdf-1-cpx-10.1177_21677026211000670 for Suicide Ideation and Thwarted Interpersonal Needs Among Psychiatric Inpatients: A Network Approach by Sarah L. Brown, Andrew J. Marshall, Sean M. Mitchell, Jared F. Roush, Gregory H. Mumma, Danielle R. Jahn, Jessica D. Ribeiro, Thomas E. Joiner and Kelly C. Cukrowicz in Clinical Psychological Science

Supplemental material, sj-pdf-1-asm-10.1177_10731911211033897 for Development and Initial Validation of a Scale Assessing Suicide-Specific Rumination: The Suicide Rumination Scale by Megan L. Rogers, Keyne C. Law, Claire Houtsma, Raymond P. Tucker, Michael D. Anestis and Thomas E. Joiner in Assessment

Supplemental material, sj-pdf-2-asm-10.1177_10731911211033897 for Development and Initial Validation of a Scale Assessing Suicide-Specific Rumination: The Suicide Rumination Scale by Megan L. Rogers, Keyne C. Law, Claire Houtsma, Raymond P. Tucker, Michael D. Anestis and Thomas E. Joiner in Assessment

While facets of both anxiety and impulsivity appear central to the development and maintenance of bulimia nervosa (BN), specific BN behaviors may be propagated by differing profiles of risk. The current study examined associations between dimensions of anxiety and impulsivity and BN symptoms (binge eating, vomiting, laxative misuse, driven exercise), both in terms of the presence of such behaviors and their frequency. Two hundred and four women (Mage=25.7years) who met DSM-IV criteria for full or subthreshold BN completed self-report measures of perfectionism (Frost Multidimensional Perfectionism Scale), anxiety (Spielberger Trait Anxiety Inventory), impulsivity (Barratt Impulsiveness Scale-11; Impulsive Behavior Scale), eating disordered behaviors (Eating Disorder Examination - Questionnaire), and associated psychiatric symptoms (Michigan Assessment Screening Test/Alcohol-Drug; Maudsley Obsessive-Compulsive Inventory). Factor analysis revealed multidimensional impulsive and anxiety-related traits (5 anxiety-related factors; 7 impulsivity-related factors). In zero-sensitive regression models, different facets of impulsivity evidenced association with the presence of binge eating (risk taking), laxative misuse (impulsive spending), and fasting (difficulty concentrating), along with the frequency of vomiting (long-term planning difficulties). In contrast, anxiety-related dimensions were only associated with driven exercise (high standards) and fasting (concern over mistakes, high standards, parental expectations). Overall, impulsive and anxiety-related factors and symptoms showed distinct associations with specific eating disorder behaviors, even among those with the same diagnosis.

Supplemental material, Hom_Supplemental_Material for A Meta-Analysis of the Relationship Between Sleep Problems and Loneliness by Melanie A. Hom, Carol Chu, Megan L. Rogers and Thomas E. Joiner in Clinical Psychological Science

Background: Firefighters are at increased risk for both problematic alcohol use and suicidality. Research has found that problematic alcohol use is related to suicidality among this population; however, limited data exist regarding what might account for this association. The present two-study investigation (1) examined the association between suicidality and problematic alcohol use among two large samples of current firefighters and (2) tested whether interpersonal theory of suicide constructs—perceived burdensomeness (PB) and thwarted belongingness (TB)—serve as indirect indicators of this relationship. Methods: Participants in Study 1 were 944 U.S. firefighters (12.5% female); participants in Study 2 were 241 U.S. women firefighters. Participants completed the Interpersonal Needs Questionnaire, Alcohol Use Disorders Identification Test, and the Depressive Symptom Index: Suicidality Subscale (Study 1) or the Self-Injurious Thoughts and Behaviors Interview (Study 2). Bias-corrected bootstrap indirect effects path analyses were utilized. Results: In Study 1, more problematic alcohol use was significantly associated with more severe career suicidal ideation via PB but not TB. In Study 2, problematic alcohol use was associated with career suicidal ideation via both PB and TB. PB seems to account for the relationship between problematic alcohol use and career suicidal ideation among male and female firefighters. Limitations: Limitations include use of a cross-sectional design, use of retrospective measures of suicidal ideation, and our findings were derived from subsamples of two existing datasets. Conclusions: Findings suggest that PB and TB may explain the relationship between problematic alcohol use and suicidal ideation, but that this effect is discrepant based on gender.