A proposed model of the development of suicidal ideations |
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| Institution: | 1. Department of Clinical Psychology, Bar Ilan University, Ramat Gan, Israel;2. Department of Clinical Psychology, Tel Aviv–Jaffa Academic Center, Tel Aviv, Israel;3. Department of Behavioral Sciences, Ruppin Academic Center, Hamerkaz, Israel;4. Feinberg Child Study Center, Schneider''s Children''s Medical Center of Israel, Petach Tikvah, Israel;5. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv Israel;1. Mental Illness, Research, Educational and Clinical Center VA Pittsburgh Healthcare System, Pittsburgh, PA;2. Department of Psychiatry, University of Pittsburgh School of Medicine, Educational and Clinical Center VA Pittsburgh Healthcare System, Pittsburgh, PA;3. VISN-IV Mental Illness Research, Educational and Clinical Center VA Pittsburgh Healthcare System, Pittsburgh, PA;1. Department of Psychology, Concordia University, Montréal, Canada;2. Center for Clinical Research in Health, Concordia University, Montréal, Canada;3. Department of Psychiatry, University of NC at Chapel Hill, USA;1. University of Pittsburgh, School of Medicine, Pittsburgh, PA, USA;2. University of Pittsburgh Medical Center, USA;3. Department of Psychology, University of Pittsburgh, USA;4. Department of Psychiatry, University of Pittsburgh School of Medicine, 3811 O''Hara Street, Pittsburgh, PA 15213, USA;1. Department of Life, Health and Environmental Sciences, University of L''Aquila, Italy;2. Department of Mental Health, ASL1, L''Aquila, Italy;3. PhD program Psychiatry, Tor Vergata University, Roma, Italy;4. Clinical Neurophysiology Unit, San Salvatore Hospital, L''Aquila, Italy;1. Department of Family Health Care Nursing, University of California, San Francisco, CA, USA;2. VA Health Services Research & Development, Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, CA, USA;3. Baruch Ivcher School of Psychology, Interdisciplinary Center Herzliya, Herzliya, Israel;4. Department of Community Health Systems, University of California, San Francisco, CA, USA |
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| Abstract: | BackgroundSuicidal ideations may precede suicide attempts. They are of particular concern in psychiatric populations because psychopathology is a major risk factor for suicide. The factors affecting the development of suicide ideations may differ among psychiatric patients with and without a previous suicide attempt and individuals without a psychiatric diagnosis.ObjectivesThe aim of this study is to develop a model of suicide ideation in psychiatric patients and the general population.MethodThe study included 196 participants: 92 psychiatric patients with a previous suicide attempt (“attempters”); 47 psychiatric patients who had never attempted suicide (“non-attempters”); and 57 healthy control subjects. Data were collected on socio-demographic parameters, clinical history, and details of the suicide attempts. Participants completed a battery of psychological instruments assessing aggression–impulsivity, mental pain (including depression and hopelessness) and communication difficulties, in addition to negative life events. Findings were correlated with suicidal ideation by group.ResultsThe correlations of the different variables with suicidal ideation differed between suicide attempters and non-attempters; therefore, the model was analyzed separately for each group. The study yielded three major findings: negative life events had a significant effect on both anger-in and impulsivity in non-attempters but not in attempters; hopelessness moderately contributed to suicidal ideations in attempters but not in non-attempters; loneliness contributed significantly to depression in non-attempters but was less distressing in attempters.ConclusionThe mechanism underlying suicidal ideation appears to differ between psychiatric patients who have previously attempted suicide and those who have not, supporting a dual model of suicidal ideation. Although this is only a preliminary study, these findings are important for furthering our understanding of the process of transition of suicidal thoughts to completion of suicide. These results need further replication with a larger cohort of subjects. |
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