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Aims. It is now well established that a large amount of heavy (trans-iron) elements are produced during neutron star (NS) mergers. These elements can be detected in the spectra of the kilonova emitted from the post-merger ejected materials. Due to the high level densities that characterize the complex configurations belonging to heavy elements, thus giving rise to millions of absorption lines, the kilonova ejecta opacity is of significant importance. The elements that contribute the most to the latter are those with an unfilled nd subshell belonging to the fifth and the sixth rows of the periodic table, and those with an unfilled nf subshell belonging to the lanthanide and actinide groups. The aim of the present work is to make a new contribution to this field by performing large-scale atomic structure calculations in three specific sixth-row 5d elements, namely hafnium, osmium, and gold, in the first four charge stages (I–IV), and by computing the corresponding opacities, while focusing on the importance of the atomic models used. Methods. The pseudo-relativistic Hartree–Fock (HFR) method, including extended sets of interacting configurations, was used for the atomic structure and radiative parameter calculations, while the expansion formalism was used to estimate the opacities. Results. Theoretical energy levels, wavelengths, and oscillator strengths were computed for millions of spectral lines in Hf I–IV, Os I–IV, and Au I–IV ions, the reliability of these parameters being assessed through detailed comparisons with previously published experimental and theoretical results. The newly obtained atomic data were then used to calculate expansion opacities for typical kilonova conditions expected one day after the NS merger; these are a density of ρ = 10−13 g cm−3 and temperatures ranging from T = 5000 K to T = 15 000 K. Some agreements and differences were found when comparing our results with available data, highlighting the importance of using sufficiently complete atomic models for the determination of opacities. [ABSTRACT FROM AUTHOR]

Introduction: Traumatic life events (TLEs) have been associated with the entire spectrum of psychosis outcomes, including risk and severity of psychotic disorders and psychotic-like experiences (PLEs). In a non-clinical setting, understanding the relationship could help improve prevention services. Objectives: The aim of this study is to establish the relationship between TLEs and PLEs. Methods: A cross-sectional study was conducted in a Tunisan business and engineering school from March 2022 to June 2022. Participants completed the Tunisian dialect version of the Prodromal Questionnaire-Brief (PQ-B), a validated self-report instrument designed to evaluate prodromal symptoms. TLEs such as physical, sexual, and emotional abuse, as well as neglect experiences, lived or witnessed have been assessed along with bullying experiences. Results: The final sample size consisted of 358 participants, with a median age of 22 ± 2.22 years, with a sex ratio (M/F) of 1.41. More than half of the participants (58.6%) reported having experienced TLEs (49% in the preceding 6 months) while 31% had experienced bullying or abuse in school (27.9% in the preceding 6 months). The mean total score of the PQ-B for the study population was 7.27 ± 4.387, 36.3% reached the threshold and were defined as PQ-B-positive subjects. Those with a lifetime history of major life events were more likely to screen positive on the total score PQ-B (p = 0.000), as were those with a lifetime history of bullying or abuse (p = 0.000). Conclusions: Understanding the factors that interact in the significant association between PLEs and TLEs may provide useful information for prevention programs and the improvement of mental health. Disclosure of Interest: None Declared [ABSTRACT FROM AUTHOR]

Introduction: Emotional dysregulation is a heterogeneous concept with a significant relevance in psychiatric research and clinical practice. E. Hantouche developed the Reactivity Intensity Polarity and Stability scale (RIPOST) to evaluate the different dimensions of the emotions. It was only recently that it was validated in its original language. Objectives: The main purpose of this study was to evaluate and validate the psychometric properties of the Arabic version of the RIPoST scale. Methods: The RIPoST scale is composed of 60 items, which are grouped in 4 dimensions. The questionnaire was translated using the forward/backward translation method. The validity of the construct was effectuated by principal component analysis (PCA) with 100 bipolar patients aged between 18 and 70 years old, in remission for 2 months. To investigate discriminative validity, we proceeded by an analysis of the variance and a Post-Hoc test between our patients, 50 healthy siblings and 50 healthy subjects recruited randomly among blood donors. Cronbach's alpha was used to estimate reliability. Results: Factorial analysis using the PCA required 6 successive analyses after which 26 items were rejected and 34 items, with a correlation superior to 0, 5, were retained. The RIPoSt scale demonstrated good discriminative validity and an acceptable internal consistency for the RIPoSt total score with a Cronbach's alpha of 0,937 and for every single subscale (ranging from 0,686 to 0,913). Conclusions: Our study joins others into the validation of the RIPoST scale. Our Arabic version seems to be a pertinent tool in the research field and in the clinical practice. [ABSTRACT FROM AUTHOR]

Introduction: Empathy, a core variable in a contributive physicianpatient relationship is a flexible capacity, modulated by social and psychological factors. Objectives: We aimed in this study to explore the relationship of empathy with perceived stress, social support and quality of life among Tunisian psychiatry trainees. Methods: We conducted an exploratory study among Tunisian psychiatry trainees. The online questionnaire survey included, in addition to demographic and professional variables, Interpersonal Reactivity Index (IRI) measuring four empathy domains: Perspective taking (PT), Empathic concern (EC), Personal distress (PD) and Fantasy (F); Perceived Stress Scale (PSS); Social Support Questionnaire (SSQ6) and the bref WHO Quality Of Life scale (WHOQOL-BREF) which assess: Physical Health (Phy-H), PsychologicalHealth (Psy-H), Social Relationships (SR) and Environment (E). Results: A total of 85 trainees were recruited with a response rate of 70.83%. Mean empathy subscores were 19.04±3.95 for PT, 20.41±3.70 for EC and 12.67±4.40 for PD. PT was positively correlated to Psy-H domain (r= 0.30, p=0.004). PD was negatively correlated to Psy-H (r=-0.27, p=0.01) and SR (r=-0.23, p=0.03). EC was positively correlated to perceived stress (r= 0.28, p=0.009) and availability of the social support (r=0.24, p=0.02). Conclusions: We conclude that quality of life and especially psychological health domain are necessary for the well being of psychiatry trainees by improving perspective taking. [ABSTRACT FROM AUTHOR]

Introduction: Child abuse and suicide among the young population is a serious and a prevalent problem. Many studies have demonstrated that people with adverse childhood experiences, such as child sexual abuse (CSA), are more likely to develop suicidal behaviour. The pathophysiology of this association is not well understood; however, it is undeniable that suicidal behaviour in individuals with a history of CSA is a significant social and medical problem that warrants further investigation. Objectives: This study aimed to assess the relationship between CSA and suicidal behaviour. Methods: It is a case-control study that was conducted among patients, aged 16 yearsold and above, having made a suicide attempt in the health region of Sousse during a two-year periodbetween November 2016 to july 2019. Socio-demographic characteristics and risk factors are collected using a pre-established form. We used the Adverse Childhood Experience International Questionnaire (ACE-IQ) to study adverse childhood experiences. Results:Atotal of 74 suicide attempters were recruited. The median age was 22 (18.00-31.25) and the sex ratio was 0.29. The prevalence of CSA was 28.4%. CSA was significantly associated with the total number of suicide attempts (p = 0.041) and recidivism of suicideattempts (p = 0.05). Conclusions: Our results indicate that there is a significant association between CSA and suicidal behaviour. Some preventive measures for decreasing the prevalence of CSA and suicidality may include education as well as increased access to mental health services. [ABSTRACT FROM AUTHOR]

Introduction: Suicide is a major public health problem. Some factors are associated with a higher risk of suicidal behaviour. These factors have an important warning value. Their detection would allow intervention in people with suicidal crisis and probably suicide prevention. Objectives: to examine the epidemiological and clinical profile of suicide attempters who consulted in the emergency departments in the governorate of Sousse. Methods: This is a cross-sectional descriptive study conducted with suicide attempters aged 16 and above living in the governorate of Sousse who were admitted in the emergency room or the intensive care unit over a one year period from November 2016 to November 2017. Socio-demographic data was collected by a pre-established form. Results: Our study was conducted amongst 154 patients, the majority were female (76.6%) with a sex ratio of 0.3. The average age was 26.13±10.16 years old. Intoxication was the most common (97.4%) method of suicide attempt. The other means were successively self-immolation (1.6%), defenestration (0.6%) and phlebotomy (0.6%). During the evaluation period, there were three peaks of suicide attempt numbers corresponding to themonths of December-November (14.3%), the month of July (10.4%) and the month of March (9.7%). Only 64 (41.6%) suicidal patients accepted care and attended appointments at our outpatient psychiatric clinic. Conclusions: Our study revealed that suicide attempters were mostly young females and the most commonly used method was intoxication. The reluctance to pursue therapy rises questioning about the reasons and the possible actions to undertake to improve patients care. [ABSTRACT FROM AUTHOR]

Introduction: Affect regulation difficulties plays a role in many psychiatric conditions, including anxiety and mood disorders. That's why; E. Hantouche developed the Reactivity Intensity Polarity and Stability scale (RIPoST) to evaluate the different dimensions of emotions. RIPoST was originally edited in French. Arabic translation isn't available to our knowledge. Objectives: to conduct a translation and a cultural validation of the RIPost scale into literary Arabic. Methods: Following the translation methodology recommended by Mapi-research institute, the RIPoST scale was translated in a standardized way consisting of forward translation, quality control, backward translation and a pilot testing including clinicians' review and a pre-test among 18 depressed patients, chosen randomly in our outpatient clinic. Two bilingual translators were recruited along with French and Arabic professors. Results:Apreliminary version was obtained and was submitted to a validation procedure. No difficulties of compatibility between the cultural backgrounds were identified. A pretest with 18 volunteers demonstrated clarity and understandability across social classes, but also suggested minor changes in the vocabulary and the grammatical and syntactical construction. Twenty clinicians were solicited. They considered the literary Arabic style difficult and not prone to affect all the population. Critics concerned the 1, 2, 8, 9, 13, 21, 26, 28, 29, 36, 39, 40, 47, 48, 58 and the 59 item. They highlighted some semantic discordance, some ambiguity in the wording and some lack of pertinence. Modifications were made after consulting with an Arabic professor. Conclusions: Translation of the RIPoST scale into Arabic was made according to international recommendations to make this tool available for our patients in their native language. A statistical validation is yet to consolidate this version. [ABSTRACT FROM AUTHOR]

Introduction: The internalization of public stigma by persons with serious mental illnesses may lead to self-stigma, which harms self-esteem, self-efficacy, and empowerment. Corrigan developed a scale that assesses the degree of stigma of mental illness among the general public. Objectives: This study set out to conduct a translation and cultural validation of the sigma scale into literary Arabic Methods: Following the translation methodology recommended by Mapi-research institute, the sigma scale was translated in a standardized way consisting of forward translation, quality control, backward translation and a pilot testing including clinicians' review and a pre-test among 20 medical students in the medical university of Sousse, aged between 19 and 24 years and chosen randomly. Results:Apreliminary version was obtained and was submitted to a validation procedure. No difficulties of compatibility between the cultural backgrounds were identified. No difficulties of compatibility between the cultural backgrounds were identified. A pretest in 20 volunteers demonstrated clarity and understandability across social classes, but also suggested minor changes in the vocabulary and the grammatical and syntactical construction. Twenty clinicians were solicited. They considered the literary Arabic style difficult and not prone to affect all the population. Critics concerned the 2, 9, 11, 12 and the 26 item. They highlighted some semantic discordance, and some ambiguity in the wording Modifications were made after consulting with an Arabic professor. Conclusions: The stigma scale is a standardized instrument with acceptable psychometric properties comparable to previous versions, which can be used to assess stigma in Tunisian-speaking populations. [ABSTRACT FROM AUTHOR]

Introduction: Job satisfaction (JS) is a necessary condition for good performance, particularly for physicians. Many personal and professional factors interfere with it, thus their determination seems to be necessary to improve patients care. Objectives: To determine the degree of JS and the factors associated with it, in a population of physicians practicing in FarhatHached university hospital. Methods: We conducted a descriptive, analytical cross-sectional study of 96 physicians of different grades practicing in FarhatHached university hospital, Sousse, Tunisia. We used the Job Satisfaction Scale scales to assess the degree of Satisfaction, Hospital Anxiety and DepressionScale for assessing anxiety and depression, and Maslach Burnout Inventory to determine burnout. Results: Response rate was 48%. The mean age in our population was 28,15±4,10 years old. Doctors with medical speciality prevailed (65.6%). Dissatisfaction was noted in 67.7% of the physicians. Socio-demographic factors associated with JS were youthful age (p = 0.00). Occupational factors associated with JS were: shorter working hours (p = 0.02), absence of outpatient clinic (OC) (p = 0.01), dissatisfaction with work hours and safety (p = 0.004 and p = 0.00), salary (p = 0.00), lack of skills' exploiting and lack of opinion consideration (p = 0.00 and p = 0.01), segregation of duties (p = 0), 00), conditions of the nightshifts (p = 0.00), Burnout(p = 0.01) and depression (p = 0, 00). Conclusions: The majority of our subjects were dissatisfied with their work conditions. It is therefore necessary to act on these factors in order to improve their performance. [ABSTRACT FROM AUTHOR]