Volume 39 - January 2017
Original article
Inflammatory, cardio-metabolic and diabetic profiling of chronic schizophrenia
- R. Balõtšev, K. Koido, V. Vasar, S. Janno, K. Kriisa, R. Mahlapuu, U. Ljubajev, M. Parksepp, P. Veiksaar, V. Volke, A. Lang, L. Haring, M. Zilmer, E. Vasar
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- 23 March 2020, pp. 1-10
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Background
There is a growing interest in low-grade inflammatory and metabolic alterations in patients with chronic schizophrenia (SCH).
MethodsInflammatory (tumor-necrosis factor-α [TNF-α], interferon-γ [IFN-γ], interleukins [IL-1α, IL-1β, IL-2, IL-4, IL-6, IL-8, IL-10], monocyte chemo-attractant protein-1 [MCP-1]) and growth factors (vascular endothelial growth factor [VEGF], epidermal growth factor [EGF]) were measured in blood serum samples of 105 SCH patients and 148 control subjects (CS). Simultaneously the clinical biomarkers (C-reactive protein [CRP], triglycerides [TG], low-density lipoprotein [LDL-c] and high-density lipoprotein [HDL-c] cholesterol, glycated hemoglobin [HbA1c]) were measured, and body mass index (BMI) was calculated for patients.
ResultsSeveral cyto-/chemokines (IFN-γ, MCP-1, IL-2, IL-6, IL-8 and IL-10) were significantly (P < 0.0000001) elevated in SCH patients compared to CS. Odds ratios, obtained from logistic regression analyses, were significantly elevated for IL-2, IL-6, IL-10, INF-γ, and decreased for TNF-α in SCH group. Among the patients, higher IL-2, IL-6, INF-γ and lower MCP-1 levels as well as male gender were together significant (P < 0.000001) predictors of higher HbA1c levels, and TG/HDL-c parameter was associated with ratios of INF-γ/IL-10 (P = 0.004), and INF-γ/IL-4 (P = 0.049), HbA1c (P = 0.005), INF-γ (P = 0.009), as well as LDL-c (P = 0.02) levels.
ConclusionsIL-2, IL-6, IL-10 and IFN-γ were the most significant SCH-related markers among the measured cytokines in our patient group. Furthermore, significant associations between pro-/anti-inflammatory imbalance and HbA1c as well as cardio-metabolic risk marker (TG/HDL-c) were observed, indicating higher risks of diabetes and cardiovascular diseases among SCH patients.
Use of atomoxetine and suicidal ideation in children and adolescents: Results of an observational cohort study within general practice in England
- M. Davies, A. Coughtrie, D. Layton, S.A.S. Shakir
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- 23 March 2020, pp. 11-16
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Aim
To investigate the association between atomoxetine, a drug used in the treatment of Attention Deficit Hyperactivity Disorder (ADHD), and suicidal ideation, within a cohort of 2–18-year-old patients in England.
MethodsThe study was conducted using the observational cohort technique of Modified prescription event monitoring (M-PEM). Patients prescribed atomoxetine were identified from dispensed prescriptions issued by primary care physicians. A customised postal GP questionnaire was used to capture outcome data for suicidal ideation. A matched pair cohort analysis was performed within patients to compare the risk of suicidal ideation in the period after starting atomoxetine with the risk prior to starting atomoxetine; this was stratified by age and concomitant use of methylphenidate. Additional information on patient characteristics, and events of interest was also collected; individual cases of suicidal ideation were qualitatively assessed for drug relatedness.
ResultsOf the final cohort (n = 4509); 85.5% male (n = 3857), median age 11 years (IQR: 9,14). Primary prescribing indication for atomoxetine was ADHD (n = 4261, 94.6%). Almost a quarter of the cohort had been co-prescribed methylphenidate. Results of the matched pair cohort analysis indicated that the period after starting atomoxetine was not associated with an increase in the incidence of suicidal ideation compared to the period prior to starting treatment (RR: 0.71; CI: 0.48–1.07; P-value: 0.104). Individual case assessment of suicidal ideation suggested a causal association within a number of cases.
ConclusionsThis study found no evidence of an increased risk of suicidal ideation during treatment with atomoxetine, compared to the period prior to starting treatment. Amongst age specific subgroups, this risk may change. Nonetheless, individual case assessment suggested a causal relationship in some patients, hence physicians need to be aware of the possibility of developing this event, and furthermore consider how best to detect it in this paediatric population. This study demonstrates the importance of combining quantitative statistical analyses with a qualitative case series assessment.
Review
Are major depression and bipolar disorder neuropsychologically distinct? A meta-analysis of comparative studies
- C. Samamé, A.G. Szmulewicz, M.P. Valerio, D.J. Martino, S.A. Strejilevich
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- 23 March 2020, pp. 17-26
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Background
Neuropsychological deficits are present in both major depression and bipolar disorder. So far, however, reports directly comparing these mood disorders with regard to cognitive outcomes have been scant and yielded inconsistent results. This work aims to combine the findings of comparative studies of cognition in major depression and bipolar disorder in order to explore whether these neuropsychiatric conditions present with distinct cognitive features.
MethodsThe main online databases were extensively searched to retrieve reports assessing neurocognitive functioning in two groups of mood disorder patients, one with major depressive disorder and another with bipolar disorder, both in the same phase of illness. Between-group effect sizes for cognitive variables were obtained from selected studies and pooled by means of meta-analytic procedures.
ResultsDuring euthymia, a significant overall effect size (Hedges’g = 0.64, P < 0.001) favoring major depressive disorder was found for verbal memory as assessed with list learning tests, whereas no significant between-group differences were found for the remaining variables analyzed. During depressive episodes, similar cognitive outcomes were observed between groups.
ConclusionAt present, it is not possible to postulate specific neuropsychological profiles for major depression and bipolar disorder in light of available evidence. It remains to be ascertained whether the differences found for verbal memory constitute an expression of distinct underlying mechanisms or whether they are best explained by sample characteristics or differential exposure to variables with a negative impact on cognition.
Original article
Attentional focus moderates the relationship between attention to threat bias and delusion-like experiences in healthy adults
- K. Prochwicz, J. Kłosowska
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- 23 March 2020, pp. 27-32
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Background
The role of cognitive biases in delusion and delusion-like experiences has been widely investigated in recent years. However, little is known about individual differences, which may influence association between cognitive biases and formation of delusional beliefs. The aim of this study was to examine the moderating effect of self-reported attentional control on the relationship between attention to threat bias (ATB) and delusion-like experiences (DLEs) in healthy adults.
MethodsParticipants (n = 138) completed the Davos Assessment of the Cognitive Biases Scale (DACOBS), the Attentional Control Scale (ACS) and the Peters et al. Delusions Inventory (PDI). The moderation analysis was performed to check the influence of different components of attentional control (i.e. general ability to allocate attention, focusing, shifting and divide attention) on the interplay between ATB and DLEs.
ResultsThe results supported the moderation model. Specifically, we found that a higher level of ability to focus attention is associated with a stronger effect of attention to threat bias on the overall frequency of DLEs. Our results indicate that ATB contributes to the number of DLEs only in individuals with high and moderate capacity to focus attention, whereas in those who scored low on the ACS focusing attention subscale, the presence of attentional bias does not influence the frequency of DLEs.
ConclusionsOur findings show that the individual difference variable, such as ability to voluntarily focus attention, may moderate the relationship between attention to threat bias and delusion-like experiences in healthy adults.
Exposure to tobacco smoke in utero or during early childhood and risk of hypomania: Prospective birth cohort study
- D.F. Mackay, J.J. Anderson, J.P. Pell, S. Zammit, D.J. Smith
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- 23 March 2020, pp. 33-39
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Objectives
Using data from a prospective birth cohort, we aimed to test for an association between exposure to tobacco smoke in utero or during early development and the experience of hypomania assessed in young adulthood.
MethodsWe used data on 2957 participants from a large birth cohort (Avon longitudinal study of parents and children [ALSPAC]). The primary outcome of interest was hypomania, and the secondary outcome was “hypomania plus previous psychotic experiences (PE)”. Maternally-reported smoking during pregnancy, paternal smoking and exposure to environmental tobacco smoke (ETS) in childhood were the exposures of interest. Multivariable logistic regression was used and estimates of association were adjusted for socio-economic, lifestyle and obstetric factors.
ResultsThere was weak evidence of an association between exposure to maternal smoking in utero and lifetime hypomania. However, there was a strong association of maternal smoking during pregnancy within the sub-group of individuals with hypomania who had also experienced psychotic symptoms (OR = 3.45; 95% CI: 1.49–7.98; P = 0.004). There was no association between paternal smoking, or exposure to ETS during childhood, and hypomania outcomes.
ConclusionsExposure to smoking in utero may be a risk factor for more severe forms of psychopathology on the mood-psychosis spectrum, rather than DSM-defined bipolar disorder.
Why so GLUMM? Detecting depression clusters through graphing lifestyle-environs using machine-learning methods (GLUMM)
- J.F. Dipnall, J.A. Pasco, M. Berk, L.J. Williams, S. Dodd, F.N. Jacka, D. Meyer
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- 23 March 2020, pp. 40-50
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Background
Key lifestyle-environ risk factors are operative for depression, but it is unclear how risk factors cluster. Machine-learning (ML) algorithms exist that learn, extract, identify and map underlying patterns to identify groupings of depressed individuals without constraints. The aim of this research was to use a large epidemiological study to identify and characterise depression clusters through “Graphing lifestyle-environs using machine-learning methods” (GLUMM).
MethodsTwo ML algorithms were implemented: unsupervised Self-organised mapping (SOM) to create GLUMM clusters and a supervised boosted regression algorithm to describe clusters. Ninety-six “lifestyle-environ” variables were used from the National health and nutrition examination study (2009–2010). Multivariate logistic regression validated clusters and controlled for possible sociodemographic confounders.
ResultsThe SOM identified two GLUMM cluster solutions. These solutions contained one dominant depressed cluster (GLUMM5-1, GLUMM7-1). Equal proportions of members in each cluster rated as highly depressed (17%). Alcohol consumption and demographics validated clusters. Boosted regression identified GLUMM5-1 as more informative than GLUMM7-1. Members were more likely to: have problems sleeping; unhealthy eating; ≤ 2 years in their home; an old home; perceive themselves underweight; exposed to work fumes; experienced sex at ≤ 14 years; not perform moderate recreational activities. A positive relationship between GLUMM5-1 (OR: 7.50, P < 0.001) and GLUMM7-1 (OR: 7.88, P < 0.001) with depression was found, with significant interactions with those married/living with partner (P = 0.001).
ConclusionUsing ML based GLUMM to form ordered depressive clusters from multitudinous lifestyle-environ variables enabled a deeper exploration of the heterogeneous data to uncover better understandings into relationships between the complex mental health factors.
Fatty acid composition of the postmortem corpus callosum of patients with schizophrenia, bipolar disorder, or major depressive disorder
- K. Hamazaki, M. Maekawa, T. Toyota, B. Dean, T. Hamazaki, T. Yoshikawa
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- 23 March 2020, pp. 51-56
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Background
Studies investigating the relationship between n-3 polyunsaturated fatty acid (PUFA) levels and psychiatric disorders have thus far focused mainly on analyzing gray matter, rather than white matter, in the postmortem brain. In this study, we investigated whether PUFA levels showed abnormalities in the corpus callosum, the largest area of white matter, in the postmortem brain tissue of patients with schizophrenia, bipolar disorder, or major depressive disorder.
MethodsFatty acids in the phospholipids of the postmortem corpus callosum were evaluated by thin-layer chromatography and gas chromatography. Specimens were evaluated for patients with schizophrenia (n = 15), bipolar disorder (n = 15), or major depressive disorder (n = 15) and compared with unaffected controls (n = 15).
ResultsIn contrast to some previous studies, no significant differences were found in the levels of PUFAs or other fatty acids in the corpus callosum between patients and controls. A subanalysis by sex gave the same results. No significant differences were found in any PUFAs between suicide completers and non-suicide cases regardless of psychiatric disorder diagnosis.
ConclusionsPatients with psychiatric disorders did not exhibit n-3 PUFAs deficits in the postmortem corpus callosum relative to the unaffected controls, and the corpus callosum might not be involved in abnormalities of PUFA metabolism. This area of research is still at an early stage and requires further investigation.
Cognitive behavioral therapy for compulsive buying behavior: Predictors of treatment outcome
- R. Granero, F. Fernández-Aranda, G. Mestre-Bach, T. Steward, M. Baño, Z. Agüera, N. Mallorquí-Bagué, N. Aymamí, M. Gómez-Peña, M. Sancho, I. Sánchez, J.M. Menchón, V. Martín-Romera, S. Jiménez-Murcia
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- 23 March 2020, pp. 57-65
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Background
Compulsive buying behavior (CBB) is receiving increasing consideration in both consumer and psychiatric-epidemiological research, yet empirical evidence on treatment interventions is scarce and mostly from small homogeneous clinical samples.
ObjectivesTo estimate the short-term effectiveness of a standardized, individual cognitive behavioral therapy intervention (CBT) in a sample of n = 97 treatment-seeking patients diagnosed with CBB, and to identify the most relevant predictors of therapy outcome.
MethodThe intervention consisted of 12 individual CBT weekly sessions, lasting approximately 45 minutes each. Data on patients’ personality traits, psychopathology, sociodemographic factors, and compulsive buying behavior were used in our analysis.
ResultsThe risk (cumulative incidence) of poor adherence to the CBT program was 27.8%. The presence of relapses during the CBT program was 47.4% and the dropout rate was 46.4%. Significant predictors of poor therapy adherence were being male, high levels of depression and obsessive-compulsive symptoms, low anxiety levels, high persistence, high harm avoidance and low self-transcendence.
ConclusionCognitive behavioral models show promise in treating CBB, however future interventions for CBB should be designed via a multidimensional approach in which patients’ sex, comorbid symptom levels and the personality-trait profiles play a central role.
Forward psychiatry – early intervention for mental health problems among UK armed forces in Afghanistan
- N. Jones, N.T. Fear, S. Wessely, G. Thandi, N. Greenberg
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- 23 March 2020, pp. 66-72
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Background
This observational study examined return to duty (RTD) rates following receipt of early mental health interventions delivered by deployed mental health practitioners.
MethodIn-depth clinical interviews were conducted among 975 UK military personnel referred for mental health assessment whilst deployed in Afghanistan. Socio-demographic, military, operational, clinical and therapy outcomes were recorded in an electronic health record database. Rates and predictors of EVAC were the main outcomes examined using adjusted binary logistic regression analyses.
ResultsOverall 74.8% (n = 729) of personnel RTD on completion of care. Of those that underwent evacuation home (n = 246), 69.1% (n = 170) returned by aeromedical evacuation; the remainder returned home using routine air transport. Predictors of evacuation included; inability to adjust to the operational environment, family psychiatric history, previously experiencing trauma and thinking about or carrying out acts of deliberate self-harm.
ConclusionDeployed mental health practitioners helped to facilitate RTD for three quarters of mental health casualties who consulted with them during deployment; psychological rather than combat-related factors predicted evacuation home.
Review
Much ado about everything: A literature review of insight in first episode psychosis and schizophrenia
- J. Elowe, P. Conus
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- 23 March 2020, pp. 73-79
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Original article
Age at menarche predicts age at onset of major affective and anxiety disorders
- L. Tondo, M. Pinna, G. Serra, L. De Chiara, R.J. Baldessarini
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- 23 March 2020, pp. 80-85
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Background
Menarche age has been associated inconsistently with the occurrence, timing or severity of major depressive disorder (MDD), but rarely studied in women with bipolar (BDs) or anxiety disorders.
MethodsWe investigated women patients at a Sardinian mood disorder center for associations of age at menarche with age at illness onset for major affective or anxiety disorders, year of birth, and other selected factors, using bivariate comparisons and multivariate regression modeling.
ResultsAmong women (n = 1139) with DSM-IV MDD (n = 557), BD-I (n = 223), BD-II (n = 178), or anxiety disorders (n = 181), born in 1904–1998, of mean age 42.9 years, menarche age averaged 12.8 [CI: 12.7–12.9] years. Illness onset age averaged 30.9 [30.1–31.8] years, ranking: BD-I, 25.8; anxiety disorders, 28.0; BD-II, 30.3; MDD, 34.1 years. Menarche age declined secularly over birth years, and was associated with younger illness-onset, having no or fewer siblings, more psychiatrically ill first-degree relatives, living in rural environments, being suicidal, substance abuse, and being unemployed. Earlier menarche and earlier illness-onset were significantly associated for onset age groups of ≤ 20, 20–39, and > 40 years. Menarche age versus diagnosis ranked: BD-II < BD-I < anxiety disorders < MDD.
ConclusionsAge at menarche in Sardinia, as elsewhere, has declined over the past decades. It was strongly associated with age at onset of bipolar and anxiety, as well as major depressive disorders across the age range, suggesting sustained effects of biological maturational factors.
Seclusion and enforced medication in dealing with aggression: A prospective dynamic cohort study
- A.A. Verlinde, E.O. Noorthoorn, W. Snelleman, H. van den Berg, M. Snelleman – van der Plas, P. Lepping
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- 23 March 2020, pp. 86-92
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Background
In the Netherlands, seclusion is historically the measure of first choice in dealing with aggressive incidents. In 2010, the Mediant Mental Health Trust in Eastern Netherlands introduced a policy prioritising the use of enforced medication to manage aggressive incidents over seclusion. The main goal of the study was to investigate whether prioritising enforced medication over seclusion leads to a change of aggressive incidents and coercive measures.
MethodsThe study was carried out with data from 2764 patients admitted between 2007 and 2013 to the hospital locations of the Mediant Mental Health Trust in Eastern Netherlands, with a catchment area of 500,000 inhabitants. Seclusion, restraint and enforced medications as well as other coercive measures were gathered systematically. Aggressive incidents were assessed with the SOAS-R. An event sequence analysis was preformed, to assess the whether seclusion, restraint or enforced medication were used or not before or after aggressive incidents.
ResultsEnforced medication use went up by 363% from a very low baseline. There was a marked reduction of overall coercive measures by 44%. Seclusion hours went down by 62%. Aggression against staff or patients was reduced by 40%.
ConclusionsWhen dealing with aggression, prioritising medication significantly reduces other coercive measures and aggression against staff, while within principles of subsidiarity, proportionality and expediency.
Latent classes in diagnoses among psychiatric inpatients predicting mortality and imprisonment – a nationwide cohort study
- H.K. Carlsen, S. Steingrimsson, M.I. Sigurdsson, S. Sigfússon, A. Magnússon
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- 23 March 2020, pp. 93-98
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Purpose
Identify risk factors of death or imprisonment within classes defined by demographic factors and diagnoses within one year of first psychiatric admission.
MethodsNationwide data was obtained from hospital registers from psychiatric hospitals in Iceland 1983–2007. Mortality and cause of death as well as information about imprisonments during the study period, and discharge diagnoses for the first year after initial admission were obtained for each individual. Individuals aged 18 during the study period with at least one year of follow-up were included. Latent Class Analysis was used to identify groups with distinguishable risk of either being alive, dead or having been imprisoned at the end of follow-up.
ResultsAmong psychiatric patients, 4677 were included, average age was 27 years (range 18–43). Four latent classes were identified with different risks of adverse outcomes. Class B (16%), predominantly males with substance use disorder (SUD) diagnoses, had highly increased risk of imprisonment and death accounting for 85 and 34% of these outcomes, respectively. Class A (12%), all with alcohol use disorder, had similar mortality rate as the general population and no imprisonments. Class C (23%) were younger at first admission with some SUD and increased risk of mortality. Class D (46%) had increased mortality rate, SUDs were rare but depression common.
ConclusionsRisk of mortality and criminal trends among psychiatric inpatients can be described as distinct clusters of risk factors present at first admission to a psychiatric hospital. Treatment and interventions to reduce mortality and criminality should take these risk differences into account.
Review
Which DSM validated tools for diagnosing depression are usable in primary care research? A systematic literature review
- P. Nabbe, J.Y. Le Reste, M. Guillou-Landreat, M.A. Munoz Perez, S. Argyriadou, A. Claveria, M.I. Fernández San Martín, S. Czachowski, H. Lingner, C. Lygidakis, A. Sowinska, B. Chiron, J. Derriennic, A. Le Prielec, B. Le Floch, T. Montier, H. Van Marwijk, P. Van Royen
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- 23 March 2020, pp. 99-105
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Introduction
Depression occurs frequently in primary care. Its broad clinical variability makes it difficult to diagnose. This makes it essential that family practitioner (FP) researchers have validated tools to minimize bias in studies of everyday practice. Which tools validated against psychiatric examination, according to the major depression criteria of DSM-IV or 5, can be used for research purposes?
MethodAn international FP team conducted a systematic review using the following databases: Pubmed, Cochrane and Embase, from 2000/01/01 to 2015/10/01.
ResultsThe three databases search identified 770 abstracts: 546 abstracts were analyzed after duplicates had been removed (224 duplicates); 50 of the validity studies were eligible and 4 studies were included. In 4 studies, the following tools were found: GDS-5, GDS-15, GDS-30, CESD-R, HADS, PSC-51 and HSCL-25. Sensitivity, Specificity, Positive Predictive Value, Negative Predictive Value were collected. The Youden index was calculated.
DiscussionUsing efficiency data alone to compare these studies could be misleading. Additional reliability, reproducibility and ergonomic data will be essential for making comparisons.
ConclusionThis study selected seven tools, usable in primary care research, for the diagnosis of depression. In order to define the best tools in terms of efficiency, reproducibility, reliability and ergonomics for research in primary care, and for care itself, further research will be essential.
Original article
Risk factors for suicide in the Israeli army between the years 1992–2012: A case-control study*
- L. Shelef, G. Tomer, L. Tatsa-Laur, R. Kedem, O. Bonne, E. Fruchter
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- 23 March 2020, pp. 106-113
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Objective
Young age, availability of weapons, and stressful life events, increase the risk of suicide. The aim of the present study was to assess additional risk factors for suicide in the Israeli army.
MethodsWe conducted a case-control study, to assess risk factors for suicide. The cases comprised soldiers who died by suicide during their military service (n = 462; 0.039% of all soldiers in the cohort). The control group consisted of soldiers who did not commit suicide but were in active service during the investigated period (n = 1,170,895; 99.96%). Predictor variables, including socio-demographic and psychiatric diagnoses, were considered.
ResultsUsing a Generalized Linear Model with a Binary Logistic dependent variable to predict suicide, while controlling the effect of intervening variables, we found the following variables enhanced the risk for committing suicide: male (RR = 6.703; P < 0.001), country of origin: Ethiopia (RR = 4.555; P = 0.014), low socioeconomic status (RR = 1.448; P = 0.016) and low adjustment difficulties (RR = 2.324; P < 0.001). In addition, we found that in males only, Cluster B Personality Disorder (RR = 2.548; P = 0.027), low (RR = 1.657; P = 0.002), to average motivation to serve in a combat unit (RR = 1.322; P = 0.046) increased the risk for suicide.
ConclusionsIDF Soldiers bearing a psychiatric diagnosis or severe adjustment difficulties remained tightly monitored through their military service, and were found to be at a lower risk for suicide. However, those enlisted with mild (low) difficulties, were found to be at greater risk for suicide, as well as soldiers whose country of origin is Ethiopia. Suicide prevention program should focus on monitoring soldiers with these risk factors, together with soldiers’ guidance regarding help seeking and de-stigmatizing suicide.
The alienation of affection toward parents and influential factors in Chinese left-behind children
- Q. Dai, G. Yang, C. Hu, L. Wang, K. Liu, Y. Guang, R. Zhang, S. Xu, B. Liu, Y. Yang, Z. Feng
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- 23 March 2020, pp. 114-122
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Objective
Although alienation toward parents is important for children (for current mental health status or later interpersonal relationships in adulthood), it is undervalued and even lacks a standardized tool of assessment. Moreover, the large number of left-behind children in China is a cause of public concern. However, their experienced alienation toward their parents remains unclear, which may be important for early detection or intervention for behavioral problems in this population. Hence, the current study aimed to develop an alienation inventory for children and then use it to investigate the experienced alienation toward parents in Chinese left-behind children.
MethodsTwo studies were carried out. Study 1 was designed to develop a standard inventory of alienation toward parents (IAP). In study 2, 8361 children and adolescents (6704 of them were left-behind status) of the Chongqing area, aged between 8 and 19 years old, were recruited for investigation. All participants were surveyed with a standard sociodemographic questionnaire, children's cognitive style questionnaire, children's depression inventory, adolescent self-rating life events checklist, and newly built IAP in study 1.
ResultsIn study 1, we developed a two-component (communication and emotional distance) and 18-item (9 items for maternal or paternal form, respectively) IAP questionnaire. In study 2, exploratory factor analysis indicated an expected two-factor structure of IAP, which was confirmed by confirmatory factor analysis. The Cronbach's alpha coefficients showed a good reliability (0.887 and 0.821 for maternal and paternal form, respectively). Children with absent mother experienced the highest alienation toward parents. Boys as well as children aged 8–10 years old experienced higher alienation toward parents. Poor communication with parents (sparse or no connection), level of left-behind condition (parents divorced, been far away from parents), and psychosocial vulnerability (stressful life events, negative cognitive style) were risk factors of alienation toward parents.
ConclusionsThe current study develops a two-factor (communication and emotional distance) IAP, which offers a reliable tool to assess experienced alienation of affection toward parents in children aged between 8 and 19 years old. Our result is the first investigation of experienced alienation and potential influential factors in Chinese left-behind children. The findings that children with absent mother experience higher alienation toward parents, as well as three recognized risk factors for alienation of affection toward parents (poor communication with absent parents, worse left-behind condition, and psychosocial vulnerability), give valuable guidance for parents who intend to leave or who are already leaving as well as for government policymaking.
Front matter
EAP volume 39 Cover and Front matter
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- 23 March 2020, p. f1
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