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1.
Artículo en Inglés | MEDLINE | ID: mdl-38345177

RESUMEN

BACKGROUND: According to the integrated motivational-volitional model of suicide, feelings of entrapment are related to the emergence of suicidal ideation (SI). However, this relation can be moderated by certain protective factors. METHODS: This study examined whether aspects of psychological flexibility (i.e., experiential avoidance, experiential acceptance, harnessing) moderated the relation between aspects of entrapment and SI severity in college students experiencing SI (N = 553) both cross-sectionally and when SI severity was measured 1 week later (N = 247). RESULTS: At baseline, experiential acceptance, but not experiential avoidance or harnessing, significantly moderated the relation between external entrapment and SI severity and internal entrapment and SI severity. No aspects of psychological flexibility prospectively moderated relations between entrapment and SI severity. CONCLUSIONS: Aspects of psychological flexibility may influence immediate vulnerability to SI severity among young adults experiencing feelings of entrapment. Implications for clinical interventions influencing changes in psychological flexibility are discussed.

2.
Artículo en Inglés | MEDLINE | ID: mdl-38380558

RESUMEN

INTRODUCTION: The Virtual Hope Box (VHB) mobile application is an adapted version of the conventional hope box intervention that is used in several evidence-based treatments for suicide behaviors. The VHB is an award-winning app developed by a collaboration between the Departments of Defense and Veterans Affairs. Multiple studies have assessed the utility and effectiveness of the VHB for use in suicide prevention, but no reviews of the literature have been conducted. METHODS: Authors performed a review of the literature using PsycINFO, EBSCOhost, and PubMed. 15 articles were ultimately included. RESULTS: Results were categorized into three areas: (1) efficacy and effectiveness, (2) feasibility, awareness, and usage in high-risk populations, and (3) implementation approaches to increase use among patients and providers. Existing evidence for the VHB supports its feasibility and acceptability, especially among military and veteran populations. Only one study investigated effectiveness in a randomized control trial. Although the VHB developers have disseminated the app nationally, low adoption rates among veteran patients and VA providers remain. Studies found that educational implementation strategies can improve utilization rates. CONCLUSIONS: Future research should examine suicide behaviors as outcomes, approaches to incorporating the VHB into treatment, and a range of populations.

3.
Arch Suicide Res ; 28(1): 358-371, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-36786540

RESUMEN

OBJECTIVE: Differences in how impulsivity is conceptualized, along with a myopic focus on impulsivity's relationship with historical suicidal behaviors, have resulted in limited implications made from prior research regarding impulsivity and suicidal thoughts and behaviors. The current study investigated the indirect effect facets of impulsivity may have on suicidal ideation, specifically, through thwarted interpersonal needs. METHODS: Participants were N = 424 undergraduate students who completed a cross-sectional survey. Participants completed the Urgency, Premeditation, Perseverance, Sensation Seeking, Impulsive Behavior Scale (UPPS), the Adult Suicide Ideation Questionnaire (ASIQ), and the Interpersonal Needs Questionnaire (INQ). Parallel mediation models were run to examine the relation between facets of impulsivity, perceived burdensomeness, thwarted belongingness, and suicidal ideation. RESULTS: Thwarted belonginess and perceived burdensomeness significantly accounted for the variance in the relation between negative urgency and suicidal ideation. Neither thwarted belongingness nor perceived burdensomeness significantly explained variance in the relation between (lack of) premeditation and suicidal ideation. Conversely, perceived burdensomeness and thwarted belonginess significantly explained the inverse relation between sensation seeking and suicidal ideation (i.e., greater sensation seeking was related to lower perceived burdensomeness and thwarted belongingness and in turn lower suicidal ideation). CONCLUSION: Negative urgency, in particular, is related to suicidal ideation through thwarted interpersonal needs. Future research should continue to differentiate between various types of impulsivity and its relationship with both suicidal ideation and behaviors utilizing both cross-sectional and ambulatory assessments of these constructs.HIGHLIGHTSNegative urgency is related to suicidal ideation.Negative urgency is related to thwarted interpersonal needs.Thwarted interpersonal needs partially explain the relation between negative urgency and suicidal ideation.


Asunto(s)
Relaciones Interpersonales , Ideación Suicida , Adulto , Humanos , Estudios Transversales , Conducta Impulsiva , Teoría Psicológica , Factores de Riesgo , Sensación
4.
Assessment ; 31(2): 304-320, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-36935566

RESUMEN

The interpersonal theory of suicide hypothesizes that suicide ideation (SI) emerges specifically in the context of hopelessness about the immutability of thwarted belongingness (TB) and perceived burdensomeness (PB; i.e., interpersonal hopelessness). The psychometrics of the Interpersonal Hopelessness Scale (IHS), which could be used to test this hypothesis directly, have not been rigorously evaluated. Participants (U.S. adults reporting past-year SI) completed online self-report assessments at Waves 1 (W1; N = 595) and 2 (W2; N = 215), 1 week apart. Confirmatory factor analyses supported a two-factor structure, IHS-TB and IHS-PB. Correlations indicated strong concurrent validity. Hurdle negative binomial regressions indicated that W1 IHS-TB and IHS-PB scores were associated with SI presence and severity at both waves, but this was inconsistent when adjusting for other W1 variables. IHS-TB and IHS-PB demonstrated excellent internal consistency and moderate to good test-retest reliability. The IHS could improve theory testing and suicide risk assessment and management.


Asunto(s)
Relaciones Interpersonales , Ideación Suicida , Adulto , Humanos , Psicometría , Reproducibilidad de los Resultados , Autoimagen , Factores de Riesgo , Teoría Psicológica
5.
Assessment ; 31(3): 574-587, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-37138520

RESUMEN

The Suicide Status Form-IV (SSF-IV) is the measure used in the Collaborative Assessment and Management of Suicidality (CAMS). The SSF-IV Core Assessment measures various domains of suicide risk. Previous studies established a two-factor solution in small, homogeneous samples; no investigations have assessed measurement invariance. The current investigation sought to replicate previous factor analyses and used measurement invariance to identify differences in the Core Assessment by race and gender. Adults (N = 731) were referred for a CAMS consultation after exhibiting risk for suicide. Confirmatory factor analyses indicated good fit for both one- and two-factor solutions while the two-factor solution is potentially redundant. Configural, metric, and scalar invariance held across race and gender. Ordinal logistic regression models indicated that neither race nor gender significantly moderated the relationship between the Core Assessment total score and clinical outcomes. Findings support a measurement invariant, one-factor solution for the SSF-IV Core Assessment.


Asunto(s)
Suicidio , Adulto , Humanos , Psicometría , Ideación Suicida , Análisis Factorial
6.
Suicide Life Threat Behav ; 54(1): 61-69, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-37960986

RESUMEN

INTRODUCTION: The Virtual Hope Box (VHB) is a smartphone application designed to support emotion regulation when one is distressed, in a crisis, or experiencing suicidal ideation (SI). Initial proof of concept studies indicate that individuals are more likely to use the VHB than traditional hope boxes, and find it both easy to setup and helpful. To our knowledge, no studies have harnessed ambulatory assessment methodology to assess VHB use as it relates to incidence of suicidal thinking. METHODS: As such, we recruited N = 50 undergraduates who endorsed SI either the past year or past 2 weeks to complete a 10-day investigation. At baseline, participants were oriented to the VHB and instructed on how to use the application. Over the next 10 days, participants responded to prompts five times per day on their personal smartphones regarding their current experiences of SI and stress as well as VHB usage. RESULTS: Results found that most participants used the VHB at least once, rated its usefulness as high, and rated their perceived likelihood of future use as high. In addition, increases in state SI severity were related to subsequent VHB use. CONCLUSION: The VHB may be a useful tool for managing crises in undergraduates experiencing suicidal thoughts.


Asunto(s)
Aplicaciones Móviles , Ideación Suicida , Humanos , Evaluación Ecológica Momentánea , Emociones , Teléfono Inteligente
7.
Suicide Life Threat Behav ; 53(5): 776-786, 2023 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-37530498

RESUMEN

OBJECTIVES: Extant literature suggests that dispositional mindfulness may reduce the impact perceived stress has on the severity of suicidal ideation (SI). Only one study has analyzed this question but did so with a cross-sectional design in a sample of undergraduate women. METHODS: This study analyzed the potential moderating role of dispositional mindfulness on the relation between perceived stress and SI cross-sectionally and at one-week follow-up in a sample of US adults (N = 598) with a history of SI. RESULTS: Results indicated that dispositional mindfulness and its facets were inversely related to perceived stress, SI severity at baseline, and SI severity one week later. At baseline, regression results indicated that only the nonreacting component of dispositional mindfulness interacted with perceived stress to concurrently predict SI severity. This relation was not significant when SI severity was measured one week later. LIMITATIONS: Study results are limited by the high attrition rate from baseline to follow-up and the relatively homogeneous sample. CONCLUSION: Study results indicate that dispositional mindfulness, particularly components related to nonreacting, is inversely related to SI severity concurrently but not prospectively. Interventions focused on mindfulness skills, particularly skills around nonreaction to inner experience, may be beneficial for those considering suicide.

8.
Suicide Life Threat Behav ; 53(5): 893-905, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37578159

RESUMEN

INTRODUCTION: Interpersonal hopelessness (IH), as outlined in the Interpersonal Theory of Suicide, is theorized to include two correlated, distinct constructs: hopelessness about one's thwarted belongingness (IH-TB) and about perceived burdensomeness on others (IH-PB). Few studies have explored IH, and none have explored its temporal stability or prospective prediction of suicidal desire. METHODS: Undergraduates (N = 43) selectively recruited for past-2-week suicidal ideation completed five ecological momentary assessment surveys per day for 10-days. Intraclass correlations, root mean square of successive differences, and multilevel models were used to examine the data and test relationships among predictor variables. RESULTS: IH-TB and IH-PB demonstrated greater temporal stability than general hopelessness. IH-TB, IH-PB, and their interaction were significant predictors of suicidal desire concurrently and prospectively. IH-PB was no longer significantly predictive of suicidal desire when adjusting for general hopelessness. Post-hoc models showed that suicidal desire was not predictive of IH-TB, IH-PB, or their interaction suggesting the relationship is not recursive. CONCLUSION: Results showed that interventions aimed at decreasing one's hopelessness specific to TB and PB may be beneficial for decreasing suicidal desire. Future research should seek to replicate these results in larger and more diverse samples and consider the use of shorter ambulatory assessment intervals.


Asunto(s)
Ideación Suicida , Suicidio , Humanos , Estudios Prospectivos , Relaciones Interpersonales , Estudiantes , Factores de Riesgo , Teoría Psicológica
9.
Behav Ther ; 54(3): 584-594, 2023 05.
Artículo en Inglés | MEDLINE | ID: mdl-37088512

RESUMEN

The internal debate hypothesis (Kovacs & Beck, 1977) suggests that those at risk for suicidal thoughts and behaviors may experience fluctuations in both the wish to live (WTL) and wish to die (WTD). Previous research has investigated this hypothesis using various cross-sectional (Goods et al., 2019 [cf. Page & Stritzke, 2020]) and longitudinal methodologies (e.g., Bryan et al., 2016). No investigations have determined the within-day temporal dynamics of WTL and WTD using ecological moment assessment (EMA), however. N = 49 undergraduate university students recruited from a research participant pool from a large southeastern university in the United States with a lifetime history of suicide ideation completed the current 10-day EMA investigation. Results demonstrated that WTL, WTD, and resulting suicidal ambivalence (i.e., relatively equal WTL/WTD ratings) demonstrated similar within-person person variability; however, WTD scores appeared to demonstrate higher average variability compared to WTL and ambivalence scores. Although state WTL and WTD were concurrently related to state suicidal desire, only WTD prospectively predicted suicidal desire when controlling for the influence of the outcome variable at the previous timepoint. Ambivalence scores also prospectively predicted suicidal desire when controlling for suicidal desire at the previous timepoint. Results support the clinical and theoretical utility of separate WTL and WTD assessment. WTD was relatively stable within this sample but may be closely related to risk for future suicidal thinking. Changes in WTL may reduce state risk for suicidal desire but could be more trait-like in nature compared to WTD. Future research that investigates these hypotheses should consider the study limitations outlined.


Asunto(s)
Afecto , Ideación Suicida , Humanos , Estudios Prospectivos , Estudios Transversales
10.
Arch Suicide Res ; 27(3): 984-1001, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-35818724

RESUMEN

INTRODUCTION: Several protective factors for mitigating suicidal ideation (SI) such as positive affect, reasons for living, purpose in life, meaning in life, gratitude, grit, optimism, social support, and hope have been identified and received empirical support. However, few studies have examined the interrelationships of these protective factors and the identification of protective factors most closely linked to lower levels of SI may be useful for both theory-building initiatives and improvement of suicide-specific interventions. Network analysis offers an approach for testing the relation among these constructs, SI, and suicide risk factors. METHODS: A sample N = 557 undergraduate students oversampled for lifetime SI completed a cross-sectional, online survey. The data was used to estimate an undirected, cross-sectional network of the aforementioned protective factors. RESULTS: The resulting inferred network implicates strong negative influence of suicide cognitions, but not recent SI, and the strong positive influence of presence of meaning in life, trait hope, and low negative affect. CONCLUSIONS: Implications for dimensionality of SI versus suicide cognitions, targeting presence of meaning in life, trait hope, and negative affect in treatment, and cross-cultural variations in reasons for living are discussed. The study is limited by the cross-sectional and convenience sampling methodology.HighlightsProtective factors may have less direct influence on suicidal ideationSuicide cognitions and the suicidal mode may be of phenomenological importancePresence of meaning and trait hope may be primary targets for suicide interventions.


Asunto(s)
Ideación Suicida , Suicidio , Humanos , Intento de Suicidio , Factores Protectores , Estudios Transversales , Cognición , Factores de Riesgo
11.
Assessment ; 30(2): 302-315, 2023 03.
Artículo en Inglés | MEDLINE | ID: mdl-34654322

RESUMEN

The Suicide Cognitions Scale (SCS) measures suicide-related beliefs proposed by the Fluid Vulnerability Theory. A recent investigation of a revised version of the SCS (i.e., SCS-R) which omits items explicitly referencing suicide has indicated that the measure is highly influenced by a general factor and may be useful for distinguishing severity levels of suicidal thoughts and behaviors; however, limited concurrent validity studies with a range of suicide-related experiences have been conducted. As such, this study replicated and extended previous psychometric research on the SCS-R in an online survey study with a community sample of N = 10,625 U.S. adults. Results confirmed the unidimensional structure of the SCS-R. Logistic regression analyses indicated that the total score of the SCS-R is useful in distinguishing varying levels of suicidal thoughts and behaviors such as past-month planning for suicide without attempt versus past-month suicide attempt. Implications and limitations are discussed.


Asunto(s)
Ideación Suicida , Intento de Suicidio , Adulto , Humanos , Psicometría , Reproducibilidad de los Resultados , Cognición
12.
Crisis ; 44(4): 267-275, 2023 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-35138181

RESUMEN

Background: The integrated motivational-volitional (IMV) model of suicidal behavior posits that defeat leads to suicidal ideation through increased vulnerability for feelings of entrapment. One potentially important vulnerability factor for the development of feelings of defeat is socially prescribed perfectionism. Aims: The current study investigated these relationships in a sample of 313 US adults. Method: Mediation and parallel mediation analyses were conducted to determine the relationships between defeat, entrapment, social prescribed perfectionism, negative social comparison, and rejection sensitivity. Results: Findings indicated that socially prescribed perfectionism was significantly related to defeat through both negative social comparison and rejection sensitivity even when controlling for depression symptoms. Negative social comparison and rejection sensitivity were related to entrapment through feelings of defeat. This relationship was strongest when analyzing externalized (vs. internalized) entrapment. Limitations: The findings were limited by the cross-sectional study design as well as the relatively homogeneous sample. Implications and future directions are discussed.


Asunto(s)
Perfeccionismo , Ideación Suicida , Adulto , Humanos , Estudios Transversales , Emociones , Motivación
13.
Arch Suicide Res ; 27(2): 479-493, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-34962216

RESUMEN

Previous research has linked unsafe firearm storage practices and other ownership-related characteristics to key factors that facilitate the transition from suicidal thoughts to suicidal behaviors (i.e., acquired capability for suicide). This research has not investigated the extent to which firearm owners store firearms in their vehicles, a factor that increases ready access to the most lethal means of suicide. OBJECTIVE: This cross-sectional study investigated the prevalence of occasional and permanent vehicle firearm storage as well as demographic and psychological correlates of this practice in a sample of N = 408 adult male firearm owners oversampled for historical thoughts of suicide. METHODS: Participants completed an online survey for monetary compensation. RESULTS: Over 40% of participants indicated at least occasionally storing firearms in their vehicles with over 15% indicating storage of firearms unlocked and loaded. Elevated scores on measures of negative affect, worry, intolerance of uncertainty, and historical suicidal thoughts and behaviors were seen in those who endorsed vehicle firearm storage compared to those who did not. CONCLUSION: Individual and public health firearm safety strategies would benefit from an explicit focus on the transition of firearms to and from one's vehicle.HIGHLIGHTSOver 40% of male firearm owners at least occasionally store a firearm in a vehicle.15% of those who store a firearm in a vehicle do so unlocked and loaded.Suicidal thought severity was related to storing a firearm in a vehicle.Historical suicidal behaviors were related to storing a firearm in a vehicle.


Asunto(s)
Armas de Fuego , Suicidio , Adulto , Humanos , Masculino , Prevalencia , Estudios Transversales , Suicidio/psicología , Ideación Suicida
14.
Artículo en Inglés | MEDLINE | ID: mdl-36078232

RESUMEN

Psychological theories of suicide posit conceptually similar constructs related to the development of suicidal thinking. These constructs often evince high-magnitude interrelationships across studies. Within these theories, defeat, entrapment and hopelessness standout as conceptually and quantitatively similar. Theoretical improvements may be facilitated through clarifying the subscale and item-level similarities among these constructs. Factor analytic and phenomenological work has demonstrated equivocal evidence for a distinction between defeat and entrapment; hopelessness is not typically analyzed together with defeat and entrapment despite evidence of large-magnitude interrelationships. This study explored the interrelationships among the foregoing constructs within a sample of undergraduate students (N = 344) from two universities within the Southeastern United States. Participants, oversampled for lifetime history of suicidal ideation and attempts, completed an online cross-sectional survey assessing defeat, entrapment, hopelessness and SI. Exploratory factor and parallel analyses demonstrated support for a one factor solution when analyzed at subscale level of the three measures as well as when all items of the three measures were analyzed together. Ad hoc exploratory structural equation modeling (ESEM) bifactor results evinced support for the existence of a single, general factor at the item level. Item level communalities and bifactor fit indices suggest that hopelessness may be somewhat distinct from defeat and entrapment. Clinical and theoretical implications are discussed in the context of study limitations.


Asunto(s)
Ideación Suicida , Suicidio , Estudios Transversales , Humanos , Autoimagen , Estudiantes/psicología , Suicidio/psicología
15.
Arch Sex Behav ; 51(2): 1091-1101, 2022 02.
Artículo en Inglés | MEDLINE | ID: mdl-35044597

RESUMEN

Suicidal ideation is elevated among individuals who engage in BDSM practices and those with sexual and gender minority (SGM) identities. There is limited research on the intersectionality of these identities and how they relate to suicidal ideation, especially within a theoretical framework of suicide risk, such as the interpersonal theory of suicide. Thus, we tested the indirect relation between BDSM disclosure and suicidal ideation through thwarted belongingness and perceived burdensomeness, as well as the moderating role of SGM identity on these indirect associations. Participants were 125 (Mage = 28.27 years; 64% cisgender men) individuals recruited via online BDSM-related forums who endorsed BDSM involvement and recent suicidal ideation. Results indicated significant moderated mediation, such that BDSM disclosure was indirectly negatively related to suicidal ideation through lower thwarted belongingness, but not perceived burdensomeness, among SGM individuals. This was due to the significant relation between BDSM disclosure and thwarted belongingness. There were no significant moderated mediation or indirect effects related to perceived burdensomeness. We also provide supplemental analyses with positive ideation (i.e., positive thoughts toward life) as the criterion variable. In conclusion, BDSM disclosure appears to be protective against suicidal ideation through thwarted belongingness but only for SGM individuals. This work furthers our understanding of the impact of intersecting marginalized identities on suicide risk and resilience. Implications, limitations, and future directions are further discussed.


Asunto(s)
Minorías Sexuales y de Género , Suicidio , Adulto , Revelación , Humanos , Relaciones Interpersonales , Masculino , Teoría Psicológica , Factores de Riesgo , Ideación Suicida
16.
Suicide Life Threat Behav ; 52(3): 427-438, 2022 06.
Artículo en Inglés | MEDLINE | ID: mdl-35083785

RESUMEN

INTRODUCTION: This study sought to investigate general perceptions of suicide-related hospital-based care that Transgender/Gender Diverse (TGD) adults have experienced as well as correlates of their perceived usefulness of this care. METHODS: Data were collected via a cross-sectional online survey of N = 3718 self-identified TGD individuals. Single-item self-report measures of all constructs of interest were used. RESULTS: A total of n = 1056 participants indicated hospitalization for either a past suicide attempt (SA) or suicidal ideation (SI). Irrespective of being hospitalized for SI or SA, perceived usefulness of hospital-based care was low with 50% or more of participants rating their care as some degree of unhelpful. Older age, general trust in mental healthcare providers, and voluntary admission were related to higher perceived helpfulness of care for both SI and SA admissions. Higher pride in TGD identity was positively related to perceived helpfulness of care but only for admissions related to SAs. CONCLUSION: Improving perceived usefulness of hospital-based care may be important for improving subsequent suicide-related help-seeking. Increasing training and provision of care that improves trust with mental healthcare providers and potentially reduces need for involuntary admission may help improve hospital-based, suicide-related care in TGD adults.


Asunto(s)
Intento de Suicidio , Personas Transgénero , Adulto , Estudios Transversales , Identidad de Género , Hospitalización , Humanos , Ideación Suicida
17.
Suicide Life Threat Behav ; 52(1): 14-23, 2022 02.
Artículo en Inglés | MEDLINE | ID: mdl-33998027

RESUMEN

OBJECTIVE: The integrated motivational-volitional model of suicide proposes that feelings of entrapment play a key role in the development of suicidal ideation. The model also posits a set of motivational moderators which either facilitate or hinder the development of suicidal thinking when entrapment is present. These motivational moderators include factors such as attitudes, future goals, thwarted belongingness, and social support. Two previously studied protective factors against suicide, reasons for living and life meaning, have received support in suicidology and might serve as motivational moderators in this model. METHODS: The current cross-sectional study included college students (N=195) oversampled for recent suicidal ideation who took a series of self-report questionnaires online. RESULTS: Our findings demonstrated that both reasons for living and life meaning are protective against the relation between entrapment and suicidal ideation, especially when presence of life meaning and reasons for living of high. Search for life meaning was found demonstrated a less protective relation with SI severity, particularly when reasons for living were low. CONCLUSION: Both motivational moderators demonstrated protective relationships with suicidal ideation and may be relevant to suicide prevention strategies. Limitations and future directions are discussed.


Asunto(s)
Ideación Suicida , Suicidio , Estudios Transversales , Humanos , Motivación , Factores de Riesgo , Estudiantes
18.
Mil Psychol ; 34(4): 445-454, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-38536311

RESUMEN

The Interpersonal Theory of Suicide posits that two unmet interpersonal needs, thwarted belongingness and perceived burdensomeness, interact to predict suicide desire. These two constructs are frequently assessed using the 15-item Interpersonal Needs Questionnaire (INQ-15); however, this measure has never been validated in military service members. The current study analyzed the psychometric properties of the INQ-15 in a sample of (N = 1096) military personnel stationed overseas. Results indicated that the two-factor model of the INQ-15 had a poor model fit in this population; however, a bifactor model with two specific factors representing TB and PB demonstrated good fit. As seen in previous research, perceived burdensomeness was more strongly related to suicidal ideation severity than thwarted belongingness. Implications and future directions for research are discussed.

19.
Mil Psychol ; 34(3): 366-375, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-38536324

RESUMEN

Rates of suicide in the US Army continue to rise, and by some accounts exceed the general population. This increase has renewed efforts to identify protective factors that may inform novel suicide prevention strategies. Previous research has demonstrated that a sense of purpose in life and perceived cohesion with military peers are related to a reduction in the severity of suicidal ideation (SI). Additionally, research in military samples supports decreased SI in Soldiers who endorse that their leaders convey a sense of purpose and meaning in their shared mission. However, no work has investigated whether these leadership styles relate to a sense of felt purpose and perceived cohesion in Soldiers and thus the indirect effect of these leadership styles on SI. Active duty Army Soldiers (n = 1,160) completed self-report measures of purpose in life (PiL), perceived cohesion, ethical leadership, loneliness, and SI. Indirect effect analyses were conducted to determine how leadership behaviors indirectly relate to SI through PiL and perceived cohesion. Indirect effect analyses revealed that ethical leadership had an indirect effect on reduced SI through increased PiL. In the same parallel indirect effect analysis, ethical leadership was related to less SI through increased perceived cohesion and decreased loneliness sequentially. Enhanced leadership training that effectively increases Soldier purpose may be an important primary prevention tool to mitigate the effect of suicide risk factors. This primary prevention strategy may help augment existing suicide surveillance and clinical prevention efforts to reduce Soldier risk for suicide.

20.
Clin Psychol Rev ; 82: 101940, 2020 12.
Artículo en Inglés | MEDLINE | ID: mdl-33130528

RESUMEN

Machine learning is being used to discover models to predict the progression from suicidal ideation to action in clinical populations. While quantifiable improvements in prediction accuracy have been achieved over theory-driven efforts, models discovered through machine learning continue to fall short of clinical relevance. Thus, the value of machine learning for reaching this objective is hotly contested. We agree that machine learning, treated as a "black box" approach antithetical to theory-building, will not discover clinically relevant models of suicide. However, such models may be developed through deliberate synthesis of data- and theory-driven approaches. By providing an accessible overview of essential concepts and common methods, we highlight how generalizable models and scientific insight may be obtained by incorporating prior knowledge and expectations to machine learning research, drawing examples from suicidology. We then discuss challenges investigators will face when using machine learning to discover models of low prevalence outcomes, such as suicide.


Asunto(s)
Ideación Suicida , Suicidio , Humanos , Aprendizaje Automático
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