Publications by authors named "Alexandra E Dingemans"

Objective: Economic evaluations of treatments help to inform decisions on allocating health care resources. These evaluations involve comparing costs and effectiveness in terms of quality of life. To calculate quality-adjusted life years, generic health related quality of life is often used, but is criticized for not being sensitive to change in mental health populations.

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Studies investigating motives for social networking sites (SNS) use amongst people with eating disorder (ED) symptoms are scarce. The uses and gratifications theory states that people actively select media content to gratify their individual needs and this may help to explain why individuals with eating disorder symptoms choose to expose themselves to specific media content and how they choose to respond. Some evidence exists that readiness to change may be a factor related to SNS use patterns in this population.

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Objective: To optimize treatment recommendations for eating disorders, it is important to investigate whether some individuals may benefit more (or less) from certain treatments. The current study explored predictors and moderators of an automated online self-help intervention "Featback" and online support from a recovered expert patient.

Methods: Data were used from a randomized controlled trial.

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Aims: Disordered eating behaviour (DEB) and diabetes distress are prevalent in adults with type 1 diabetes (T1D). Emotion regulation strategies, such as cognitive reappraisal and expressive suppression, are associated with DEB and managing stress in general. Here we examine the associations between DEB, diabetes distress, and emotion regulation strategies in the context of T1D.

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Article Synopsis
  • The economic burden of mental disorders on society is significant, and while internet-based interventions are often viewed as cost-effective solutions, evidence on their effectiveness compared to traditional care is inconsistent.
  • A systematic review of 37 studies involving nearly 15,000 participants showed that internet interventions slightly outperformed usual care in improving quality of life while maintaining similar costs.
  • The analysis indicated a monetary benefit of approximately $255 per participant for internet-based interventions, highlighting their potential advantages in managing mental health issues compared to conventional approaches.
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Purpose: Most of the network approaches in eating disorders found the highest degree of centrality for symptoms related to weight and shape concerns. However, longitudinal analyses are scarce and may increase our insight of the complex characteristics and dynamics over time. In the current study, an alternative non-linear method to perform longitudinal network analyses, the dynamic time warp approach, was used to examine whether robust dimensions of eating disorder psychopathology symptoms could be found based on the individual dynamic interplay of eating disorder symptoms co-occurrence patterns in time.

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Objective: Many individuals with an eating disorder do not receive appropriate care. Low-threshold interventions could help bridge this treatment gap. The study aim was to evaluate the effectiveness of Featback, a fully automated online self-help intervention, online expert-patient support and their combination.

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Objective: The primary aim was assessing the cost-effectiveness of an internet-based self-help program, expert-patient support, and the combination of both compared to a care-as-usual condition.

Method: An economic evaluation from a societal perspective was conducted alongside a randomized controlled trial. Participants aged 16 or older with at least mild eating disorder symptoms were randomly assigned to four conditions: (1) Featback, an online unguided self-help program, (2) chat or e-mail support from a recovered expert patient, (3) Featback with expert-patient support, and (4) care-as-usual.

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Objectives: The ICEpop Capability Measure for Adults (ICECAP-A) assesses 5 capabilities (stability, attachment, autonomy, achievement, and enjoyment) that are important to one's quality of life and might be an important addition to generic health questionnaires currently used in economic evaluations. This study aimed to develop a Dutch tariff of the Dutch translation of the ICECAP-A.

Methods: The methods used are similar to those used in the development of the UK tariff.

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Several studies have shown that obsessive-compulsive disorder (OCD), eating disorders (ED), autism spectrum disorders (ASD) and body dysmorphic disorder (BDD) share obsessive-compulsive (OC) symptoms and often co-occur, which could be seen as indicative of a common etiological basis. In addition, they also appear to have similarities in executive functioning. The present study investigated disorder-specific symptoms and executive functioning as a possible joint factor in individuals with OCD (n=53), BDD (n=95), ED (n=171) and ASD (n=73), and in healthy controls (n=110).

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Purpose: The ICEpop CAPability measure for Adults (ICECAP-A) assesses five capabilities that are important to one's well-being. The instrument might be an important addition to generic health questionnaires when evaluating quality of life extending beyond health. This study aimed to conduct a psychometric assessment of the Dutch translation of the ICECAP-A.

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Background: Research into mental disorders has found mental imagery to be a maintaining factor for psychological distress. However, studies investigating mental imagery in eating disorders are scarce.

Aim: The aim of the present study was to compare spontaneous mental imagery related to eating, weight and/or appearance and intrusive prospective imagery in women with an eating disorder with female healthy controls.

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Executive functions play an important role in mediating self-control and self-regulation. It has been suggested that the inability to control eating in Binge Eating Disorder (BED) may indicate inefficiencies in executive functioning. This study investigated whether executive functioning predicted cognitive behavioural therapy outcome in BED while accounting for other possible predictors: depressive symptoms, interpersonal factors, eating disorder psychopathology, and self-esteem.

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Article Synopsis
  • The study explored the effectiveness of cognitive remediation therapy (CRT) versus specialized attention therapy (SAT) as additions to standard treatments for obsessive-compulsive disorder (OCD) and anorexia nervosa (AN).
  • Both therapies were compared among adult patients; however, CRT did not show superior results over SAT when combined with treatment as usual (TAU).
  • Interestingly, SAT may have had a greater positive impact on reducing OCD symptoms than CRT, suggesting a need for further investigation into SAT's potential benefits.
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Background: E-mental health has become increasingly popular in interventions for individuals with eating disorders (EDs). It has the potential to offer low-threshold interventions and guide individuals to the needed care more promptly. Featback is such an Internet-based intervention and consists of psychoeducation and a fully automated monitoring and feedback system.

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Objective: The definition of recovery in eating disorders (EDs) according to researchers is not necessarily similar to the patient definition. This study aimed to explore the concept of recovery as assessed by those affected by an ED themselves.

Method: Participants from the Netherlands Eating disorder Registry (NER) who reported an (former) ED diagnosis (n = 814) assessed their own recovery level: current ED, partial or full recovery.

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Executive functions are a set of cognitive processes that are necessary for the cognitive control of behavior. They play a role in mediating self-control, self-regulation and decision-making. It has been suggested that the inability to control eating behavior in binge eating disorder (BED) may indicate deficits in executive functioning.

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The Risk factors for Binge Eating Disorder in Overweight (REO) questionnaire is a screening tool for nutritionists to discriminate between individuals with obesity with and without Binge Eating Disorder (BED). The first study tested the discriminative ability of the REO and identified an optimal cut-off value. In the second study this cut-off value was used to identify individuals with and without BED from a sample of individuals with obesity visiting a nutritionist and compared clinical and personality characteristics with a group of individuals officially diagnosed with BED.

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Patients with complex and severe eating disorders often receive a number of ineffective or/and insufficient treatments. Direct referral of these patients to highly specialized tertiary treatment facilities in an earlier stage of the disorder is likely to be more (cost)-effective. The aim of the study was to develop a decision tool that aids clinicians in early identification of these patients.

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This study investigated moderators of intervention response in a fully automated Internet-based monitoring and feedback intervention ('Featback') with different levels of therapist support for individuals with eating disorder (ED) symptoms. This study was part of a randomized controlled trial comparing four conditions: 1) Featback, 2) Featback with low-intensity (weekly) therapist support, 3) Featback with high-intensity (three times a week) therapist support, and 4) a waiting list. A total of 273 participants completed baseline and post-intervention assessments.

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Background: Despite the disabling nature of eating disorders (EDs), many individuals with ED symptoms do not receive appropriate mental health care. Internet-based interventions have potential to reduce the unmet needs by providing easily accessible health care services.

Objective: This study aimed to investigate the effectiveness of an Internet-based intervention for individuals with ED symptoms, called "Featback.

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Background: Identifying predictors of psychological outcome for patients with eating disorders may improve the effectiveness of treatment. Patients with different pre-treatment characteristics and symptoms may benefit from different therapies. This study aimed to identify potential predictors of treatment outcome in a large naturalistic cohort of patients with an eating disorder.

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The present study aims to examine the influence of negative affect on decision making in women with anorexia nervosa (AN) compared to healthy control women and, secondly, to assess differences between the restrictive (ANR) and binge-purge (ANBP) subtypes. One hundred four women (32 with ANR, 32 with ANBP, and 40 healthy controls) participated. All women were asked to watch either a negative or a control film fragment, both followed by the Bechara Gambling Task (BGT).

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This study aimed to review the emerging findings regarding E-health interventions for eating disorders and to critically discuss emerging issues as well as challenges for future research. Internet-based cognitive behavioral therapy and guided self-help have demonstrated promising results in terms of reducing eating disorder psychopathology. Emerging findings also suggest that E-health interventions reach an underserved population and improve access to care.

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Purpose Of Review: This review compares the literature on cognitive remediation therapy (CRT) for eating disorders with findings in the field of schizophrenia, and discusses future directions for CRT for eating disorders.

Recent Findings: First studies using a randomized controlled trial design show the added value of CRT for eating disorders. Patients reported lessened symptoms and further improvements in quality of life and cognitive flexibility.

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