Clara Hellner
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View article: Incident benzodiazepine and Z-drug use and subsequent risk of alcohol- and drug-related problems: A nationwide matched cohort study with co-twin comparison
Incident benzodiazepine and Z-drug use and subsequent risk of alcohol- and drug-related problems: A nationwide matched cohort study with co-twin comparison Open
Background: Despite considerable interest in the consequences of benzodiazepine and benzodiazepine-related Z-drug (BZDR) use, little is known about whether and how initiation of BZDR treatment relates to the development of alcohol- and dru…
View article: Work absence in parents of youth who self-harm
Work absence in parents of youth who self-harm Open
Background Self-harm is a prevalent health concern among youths, with significant psychosocial impacts on both youths and their parents. The aim of this study is to describe the impact of offspring self-harm on parental work absence. Metho…
View article: Cost-Effectiveness of Internet-Delivered Emotion Regulation Therapy for Adolescents With Nonsuicidal Self-Injury: Within-Trial Analysis of a Randomized Controlled Trial
Cost-Effectiveness of Internet-Delivered Emotion Regulation Therapy for Adolescents With Nonsuicidal Self-Injury: Within-Trial Analysis of a Randomized Controlled Trial Open
Background Nonsuicidal self-injury (NSSI) is common among adolescents and is associated with adverse clinical outcomes, as well as suicidal behavior. Current treatments are resource-intensive and may not be accessible to all adolescents wi…
View article: Genetic and environmental aetiologies of the transition from nonsuicidal self-injury to suicide attempt: a longitudinal twin study
Genetic and environmental aetiologies of the transition from nonsuicidal self-injury to suicide attempt: a longitudinal twin study Open
Nonsuicidal self-injury (NSSI) often temporally precedes suicide attempts (SA), and SA predicts suicide. The genetic and environmental aetiologies of the transition from NSSI to SA have not been studied. This study aims to investigate whet…
View article: A Context-Specific Measure of Psychological Inflexibility in Therapist Training: Development of the KIBS-Ed
A Context-Specific Measure of Psychological Inflexibility in Therapist Training: Development of the KIBS-Ed Open
Objectives. Psychological inflexibility (PI) is a potentially important yet understudied factor in therapist training. However, validated instruments tailored to trainee contexts are currently lacking. This study aimed to develop and evalu…
View article: A Context-Specific Measure of Psychological Inflexibility in Therapist Training: Development of the KIBS-Ed
A Context-Specific Measure of Psychological Inflexibility in Therapist Training: Development of the KIBS-Ed Open
Objectives. Psychological inflexibility (PI) is a potentially important yet understudied factor in therapist training. However, validated instruments tailored to trainee contexts are currently lacking. This study aimed to develop and evalu…
View article: Online Transdiagnostic Emotion Regulation Treatment for Adolescents With Mental Health Problems
Online Transdiagnostic Emotion Regulation Treatment for Adolescents With Mental Health Problems Open
Importance Mental health problems are common during adolescence, but access to effective treatments is limited. Transdiagnostic treatments could address this treatment gap, but their feasibility, acceptability, and effectiveness remain unk…
View article: Attenuation of Self‐Induced Pain in Women With Nonsuicidal Self‐Injury and Healthy Controls
Attenuation of Self‐Induced Pain in Women With Nonsuicidal Self‐Injury and Healthy Controls Open
Background Individuals who engage in nonsuicidal self‐injury (NSSI) have a reduced pain sensitivity. Self‐induced pain is attenuated compared with externally induced pain, and this phenomenon, sensory attenuation, could partly explain the …
View article: Preventing suicide with Safe Alternatives for Teens and Youths (SAFETY): a randomised feasibility trial
Preventing suicide with Safe Alternatives for Teens and Youths (SAFETY): a randomised feasibility trial Open
Background Suicide attempts are common in youth and have potentially lethal outcomes. Effective treatments targeting suicide attempts are scarce. Objective To assess the feasibility and preliminary efficacy of a family-based cognitive beha…
View article: Offset analgesia and onset hyperalgesia: A comparison between women with non-suicidal self-injury and healthy women
Offset analgesia and onset hyperalgesia: A comparison between women with non-suicidal self-injury and healthy women Open
Individuals who engage in non-suicidal self-injury (NSSI) exhibit reduced pain sensitivity compared to the general population. It has been argued that this hypoalgesic characteristic may be attributable to hyper-effective pain modulation; …
View article: Preventing suicide with Safe Alternatives for Teens and Youths (SAFETY): A randomized feasibility trial
Preventing suicide with Safe Alternatives for Teens and Youths (SAFETY): A randomized feasibility trial Open
Objective: Suicide attempts are common in youth and have potentially lethal outcomes. Effective treatments targeting suicide attempts are scarce. The objective was to assess the feasibility of a family-based cognitive-behavioral treatment …
View article: Preventing suicide with Safe Alternatives for Teens and Youths (SAFETY): A randomized feasibility trial
Preventing suicide with Safe Alternatives for Teens and Youths (SAFETY): A randomized feasibility trial Open
Objective: Suicide attempts are common in youth and have potentially lethal outcomes. Effective treatments targeting suicide attempts are scarce. The objective was to assess the feasibility of a family-based cognitive-behavioral treatment …
View article: Recovery and Recurrence From Major Depression in Adolescence and Adulthood
Recovery and Recurrence From Major Depression in Adolescence and Adulthood Open
Objective The study aimed to estimate 5‐year recurrence rates of first‐episode major depressive disorder (MDD) and assess the impact of adolescence on recurrence likelihood after the first episode, compared to adults. Methods A pre‐registe…
View article: Evaluating Machine Learning for Predicting Youth Suicidal Behavior up to 1 Year After Contact With Mental-Health Specialty Care
Evaluating Machine Learning for Predicting Youth Suicidal Behavior up to 1 Year After Contact With Mental-Health Specialty Care Open
In this article, we assessed the performance of several predictive modeling algorithms of suicide attempt resulting in inpatient hospitalization or suicide among youths ages 9 to 18 ( N = 34,528) after contact (6–12 months) with a mental-h…
View article: Comparison between clinician and machine learning prediction in a randomized controlled trial for nonsuicidal self-injury
Comparison between clinician and machine learning prediction in a randomized controlled trial for nonsuicidal self-injury Open
Background Nonsuicidal self-injury is a common health problem in adolescents and associated with future suicidal behavior. Predicting who will benefit from treatment is an urgent and a critical first step towards personalized treatment app…
View article: Incident benzodiazepine and Z-drug use and subsequent risk of alcohol- and drug-related problems: a nationwide matched cohort study with co-twin comparison
Incident benzodiazepine and Z-drug use and subsequent risk of alcohol- and drug-related problems: a nationwide matched cohort study with co-twin comparison Open
Background Despite considerable interest in the consequences of benzodiazepine and benzodiazepine-related Z-drug (BZDR) use, little is known about whether and how initiation of BZDR treatment contributes to the development of alcohol- and …
View article: The trajectory of anxiety and depressive symptoms and the impact of self-injury: A longitudinal 12-month cohort study of individuals with psychiatric symptoms
The trajectory of anxiety and depressive symptoms and the impact of self-injury: A longitudinal 12-month cohort study of individuals with psychiatric symptoms Open
Background Individuals reporting self-injury are at greater risk of several adverse outcomes, including suicide. There is reason to be concerned how these individuals cope when stressful life events increase. This study aimed to investigat…
View article: Sub-groups of emotion dysregulation in youth with nonsuicidal self-injury: latent profile analysis of a randomized controlled trial
Sub-groups of emotion dysregulation in youth with nonsuicidal self-injury: latent profile analysis of a randomized controlled trial Open
Psychological treatments targeting emotion dysregulation in adolescents reduce nonsuicidal self-injury (NSSI) but predicting treatment outcome remains difficult. Identifying sub-groups based on repeated measurements of emotion dysregulatio…
View article: Internet‐delivered emotion regulation therapy for adolescents engaging in non‐suicidal self‐injury and their parents: A qualitative, online focus group study
Internet‐delivered emotion regulation therapy for adolescents engaging in non‐suicidal self‐injury and their parents: A qualitative, online focus group study Open
Objectives We explore adolescents' and their parents' experiences of internet‐based emotion regulation therapy for non‐suicidal self‐injury (NSSI). Design A qualitative study nested within a controlled feasibility trial. Methods Online, se…
View article: Adolescent and Adult Transitions From Major Depressive Disorder to Bipolar Disorder
Adolescent and Adult Transitions From Major Depressive Disorder to Bipolar Disorder Open
Importance Bipolar disorder (BD) often first appears in adolescence after onset of major depressive disorder (MDD), but diagnosis and treatment are commonly delayed. This delay is a concern because untreated BD is associated with adverse l…
View article: Moderators and predictors of treatment outcome following adjunctive internet‐delivered emotion regulation therapy relative to treatment as usual alone for adolescents with nonsuicidal self‐injury disorder: Randomized controlled trial
Moderators and predictors of treatment outcome following adjunctive internet‐delivered emotion regulation therapy relative to treatment as usual alone for adolescents with nonsuicidal self‐injury disorder: Randomized controlled trial Open
Background Despite the wide‐ranging negative consequences of nonsuicidal self‐injury (NSSI), there are few evidence‐based treatments for NSSI among adolescents and little is known about what treatments that work best for whom. The objectiv…
View article: Cost-effectiveness of Internet-Delivered Emotion Regulation Therapy for Adolescents With Nonsuicidal Self-injury
Cost-effectiveness of Internet-Delivered Emotion Regulation Therapy for Adolescents With Nonsuicidal Self-injury Open
Objectives: To evaluate the cost-effectiveness of internet-delivered emotion regulation individual therapy for adolescents (IERITA) with nonsuicidal self-injury disorder.Design: Secondary cost-effectiveness analyses from a randomized contr…
View article: Rubber hand illusion and experiences of dissociation in women with self-injury behavior
Rubber hand illusion and experiences of dissociation in women with self-injury behavior Open
Background: Illusory ownership over a rubber limb, as observed in the experimental paradigm the rubber hand illusion (RHI), has been reported to be correlated with self-reported dissociative symptoms in patients with current and remitted b…
View article: Comparison between clinician and machine learning prediction in a randomized controlled trial for nonsuicidal self-injury
Comparison between clinician and machine learning prediction in a randomized controlled trial for nonsuicidal self-injury Open
Nonsuicidal self-injury is a common health problem in adolescents and associated to future suicidal behavior. Predicting who will benefit from treatment is a critical first step towards personalized treatment approaches. Machine-learning a…
View article: Determinants and Outcomes of Suicidal Behavior Among Patients With Major Depressive Disorder
Determinants and Outcomes of Suicidal Behavior Among Patients With Major Depressive Disorder Open
Importance Major depressive disorder (MDD) is an important risk factor of suicidal behavior, but the added burden of suicidal behavior and MDD on the patient and societal level, including all-cause mortality, is not well studied. Also, the…
View article: Predicting risk of suicidal behaviour after initiation of selective serotonin reuptake inhibitors in children, adolescents and young adults: protocol for development and validation of clinical prediction models
Predicting risk of suicidal behaviour after initiation of selective serotonin reuptake inhibitors in children, adolescents and young adults: protocol for development and validation of clinical prediction models Open
Introduction There is concern regarding suicidal behaviour risk during selective serotonin reuptake inhibitor (SSRI) treatment among the young. A clinically useful model for predicting suicidal behaviour risk should have high predictive pe…
View article: Sub-types of emotion dysregulation in youth with nonsuicidal self-injury: Latent class analysis of a randomized controlled trial
Sub-types of emotion dysregulation in youth with nonsuicidal self-injury: Latent class analysis of a randomized controlled trial Open
Psychological treatments targeting emotion dysregulation in adolescents are effective in reducing nonsuicidal self-injury (NSSI) but predicting treatment outcome remains difficult. Identifying sub-groups based on repeated measurements of e…
View article: Effect of Internet-Delivered Emotion Regulation Individual Therapy for Adolescents With Nonsuicidal Self-Injury Disorder
Effect of Internet-Delivered Emotion Regulation Individual Therapy for Adolescents With Nonsuicidal Self-Injury Disorder Open
Importance Nonsuicidal self-injury is prevalent in adolescence and associated with adverse clinical outcomes. Effective interventions that are brief, transportable, and scalable are lacking. Objective To test the hypotheses that an interne…