Peter Meindert ten Klooster

Peter Meindert ten Klooster
University of Twente | UT · Department of Psychology, Health and Technology (PHT)

PhD

About

167
Publications
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Introduction
Peter Meindert ten Klooster currently works at the Department of Psychology, Health and Technology (PHT), University of Twente. Peter does research in Psychometrics, Health Psychology and Applied Psychology.

Publications

Publications (167)
Article
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Self-compassion is considered an important, transdiagnostic factor for mental health. The Sussex Oxford Compassion for the Self Scale (SOCS-S) is a recently developed comprehensive measure of self-compassion, that was found to have promising psychometric properties among health care staff and university students in the initial validation study. The...
Article
Background Rheumatoid arthritis (RA) patients frequently pass through several medications in order to achieve and maintain acceptable disease control The clinical heterogeneity and variable course of the disease, plus the availability of multiple classes and subclasses of DMARDs may lead to very different and complex treatment sequencing in individ...
Article
Background Health literacy is a multidimensional concept comprising various individual skills and situational resources and is increasingly recognized as a critical determinant of health. Limited health literacy has been demonstrated to associate negatively with health outcomes in multiple chronic diseases, but data on the relevance of health liter...
Article
Kortdurende Psychoanalytische Steungevende Psychotherapie (kpsp) is een behandelmethode voor de behandeling van depressie die qua effectiviteit niet onder lijkt te doen voor die van Cognitieve Gedragstherapie (cgt). Claims met betrekking tot de non-inferioriteit ondervinden nadeel van het feit dat voor kpsp nog geen instrument bestaat om de behande...
Article
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The dual continua model assumes that psychological distress and mental well-being are two related, yet distinct dimensions of mental health. Previous studies did convincingly show the distinctiveness of these two dimensions using mainly cross-sectional research. Despite the importance to distinguish between-and within-person associations in psychol...
Article
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There is a gap of knowledge about the extent to which gratitude is indeed the working mechanism of change in gratitude interventions aiming to promote mental well-being. This study explores the mediational role of gratitude as mood in the context of a recently conducted randomized controlled trial on the effects of a 6-week gratitude intervention o...
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Background: Previous research has shown an unclear and inconsistent association between fatigue and disease activity in patients with rheumatoid arthritis (RA). The aim of this study was to explore differences in "between-person" and "within-person" associations between disease activity parameters and fatigue severity in patients with established...
Article
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Critics of positive psychology have questioned the validity of positive psychological assessment measures (PPAMs), which negatively affects the credibility and public perception of the discipline. Psychometric evaluations of PPAMs have shown that various instruments produce inconsistent factor structures between groups/contexts/times frames, that t...
Article
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Objectives Previous studies have indicated that a sizeable proportion of patients with inflammatory arthritis present with features characteristic of central pain sensitization. However, this has not yet been examined in patients with gout. The objective of this study was to explore the presence of generalized pain hypersensitivity and associated f...
Article
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Background: Subjective cognitive dysfunction (SCD) is common in fibromyalgia (FM), where it has been called 'fibrofog.' But its predictors and correlates are not well understood, including the extent to which SCD is present in fibromyalgia and non-fibromyalgia clinical populations. In addition, there are no studies available concerning SCD and fib...
Article
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Background Health-related quality of life (HRQOL) as a patient reported outcome plays important roles in the life of patients with RA (rheumatoid arthritis) and SLE (Systemic lupus erythematosus) as well as their families. Evaluating the impact of sustained remission on HRQOL is important and could be of potential help in daily practice. Thus, we a...
Article
Background: Neuropsychiatric adverse drug reactions (NPADRs) are not commonly associated with low dose methotrexate (LDMTX) in patients with rheumatoid arthritis (RA). Research design and methods: In this case series assessment, we described the nature and frequency of NPADRs with LDMTX in the Dutch DREAM-RA registry, including causality of NPADRs,...
Article
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Background Diabetic foot ulcers have a high impact on mobility and daily functioning and lead to high treatment costs, for example, by hospitalization and amputation. To prevent (re)ulcerations, custom-made orthopedic shoes are considered essential. However, adherence to wearing the orthopedic shoes is low, and improving adherence was not successfu...
Article
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The job demands-resources (JD-R) model has hardly been studied in volunteer organizations and there is a scarcity of studies evaluating self-compassion as a personal resource within the JD-R model. The present study addresses these gaps in current knowledge, first by examining the applicability of the JD-R model in a crisis line volunteer organizat...
Article
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Purpose To evaluate the effectiveness of two versions (personal or automated feedback) of a psychological Web-based self-help intervention targeting partners of cancer patients. The intervention was based on acceptance and commitment therapy (ACT) and self-compassion training. Participants’ adherence and their satisfaction were also studied. Metho...
Article
Objective To investigate concurrent validity and discrimination of the Disease Activity Psoriatic Arthritis score (DAPSA), Psoriatic Arthritis Disease Activity Score (PASDAS) and Ankylosing Spondylitis Disease Activity Score (ASDAS) in peripheral spondyloarthritis (pSpA) in clinical practice. Methods Data from a Dutch registry for SpA (SpA-Net) we...
Article
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Introduction: Developing a good therapeutic alliance is considered essential for the responsible delivery of psychotherapy. Text-based digital psychotherapy has become increasingly common, yet much remains unclear about the alliance and its importance for delivering mental health care via a digital format. To employ text-based digital therapies res...
Article
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Objectives To evaluate the extent to which internationally agreed treat-to-target (T2T) recommendations were applied in clinical practice in patients with axial spondyloarthritis (axSpA). Methods Data were used from a web-based patient registry for monitoring SpA in daily practice in the Netherlands (SpA-Net). The extent to which T2T was applied w...
Article
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Objective: To evaluate radiological damage and to explore characteristics associated with radiological progression in rheumatoid arthritis (RA) treated to the target of remission in a real-world setting. Method: Baseline to 6 year follow-up data were used from an observational early RA cohort. Radiographs of hands and feet at baseline, 6 months, an...
Conference Paper
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Background Methotrexate (MTX) and hydroxychloroquine (HCQ) are first line treatments of rheumatoid arthritis (RA). Adverse drug reactions (ADRs) during treatment with these drugs are common. Survival analysis on time to first ADR and on first time drug use duration have not yet been performed for these drugs in real-world settings. Objectives To c...
Conference Paper
Background Neuropsychiatric adverse drug reactions (NPADRs) are well known with high dose methotrexate treatment. However, NPADRs have also been observed with low dose methotrexate (LDMTX) treatment in real world rheumatology data. Objectives To evaluate the association between LDMTX and NPADRs, the impact of these NPADRs on further treatment and...
Conference Paper
Background Treatment of rheumatoid arthritis (RA) with biologic disease-modifying antirheumatic drugs (bDMARDs) has been common practice in the last two decades. However, differences in patients experiencing adverse drug reactions (ADRs) between individual bDMARDs, such as adalimumab (ADA) and etanercept (ETN), during first time treatment has not b...
Article
Objective We aimed to describe the nature and frequency of gastrointestinal adverse drug reactions (GI-ADRs) of etanercept (ETN) using patient-reported and healthcare professional (HCP)-registered data and compared this frequency with the GI-ADR frequency of the widely used TNFα-inhibitor adalimumab. Methods Reported GI-ADRs of ETN for rheumatic d...
Article
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Background Several evidence-based psychotherapeutic treatment options are available for depression, but the treatment results could be improved. The D*Phase study directly compares short-term psychodynamic supportive psychotherapy (SPSP) and cognitive behavioural therapy (CBT) for Major Depressive Disorder (MDD). The objectives are 1. to investigat...
Article
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Background. Personal recovery is increasingly recognized as important outcome for people with bipolar disorder (BD), but research addressing associated factors of personal recovery in this group remains scarce. This study aimed to explore the association of sociodemographic variables, social participation, psychopathology, and positive emotion regu...
Preprint
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Objectives Only few observational studies have investigated the actual effectiveness of switching to biosimilars in daily clinical practice in unselected patients. The objective of this study was to examine the maintenance of effect and safety after a hospital-wide switch for economic reasons from adalimumab originator Humira® to biosimilar Amgevit...
Article
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Background Limitations in physical functioning are a big concern especially for patients with chronic or musculoskeletal diseases. Therefore, physical functioning is often used as a core outcome of treatments. The generic patient-reported outcomes information system (PROMIS) physical function (PF) item bank has shown potential to measure PF with be...
Article
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Objective: Several epidemiological and clinical reports associate fibromyalgia (FM) with seizure disorders, and clinical studies associate FM diagnosis with psychogenic non-epileptic seizures. However, these associations rely on self-reports of being diagnosed with FM or unstandardized clinical diagnosis in combination with small samples. We inves...
Article
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Introduction: The media is an important source of health-related information for patients, general public, policymakers and health professionals and has a large influence on their knowledge and opinions. No studies so far have explored the content, nature and quality of health journalism in Bangladesh. Objectives: To i) explore the nature and quali...
Article
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Objectives: . To describe the cumulative incidences of adverse drug reactions (ADRs) associated with disease-modifying anti-rheumatic drugs (DMARDs) in rheumatoid arthritis (RA) patients from real-world data (RWD), using the DREAM-RA registry, and to compare these with incidence frequencies mentioned in the Summary of Product Characteristics (SmPC...
Article
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Background: To develop a Korsakoff-specific measure of quality of life (QoL), to be rated by professional caregivers, and to field-test its psychometric properties in a sample of patients with Korsakoff's syndrome (KS) living in a specialized nursing home. Methods: A research version of the QUALIKO was developed based on an existing instrument f...
Article
The United Kingdom and the Netherlands exhibit similar levels of heavy episodic drinking but different drinking patterns among youths. This study aimed to assess the impact of country of residence on heavy episodic drinking among 293 British and Dutch youths, accounting for other behavioral determinants. Participants completed online questionnaires...
Article
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Introduction Personality traits may predict the use of substances in individuals with mild intellectual disabilities (MID) or borderline intellectual functioning (BIF). The Dutch version of the Substance Use Risk Profile Scale (SURPS), adapted for this population, was tested on its psychometric properties. Method Individuals with MID or BIF (IQ 50...
Article
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Background: The importance of both specific emotion regulation strategies and overall deficits in emotion regulation in the context of psychopathology is widely recognized. Besides alleviating psychological symptoms, improving mental well-being is increasingly considered important in treatment of people with mental disorders. However, no comprehens...
Article
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Objectives To test the psychometric properties of the United Kingdom’s Commissioning for Quality in Rheumatoid Arthritis Patient-Reported Experience Measure (CQRA-PREM) in patients with spondyloarthritis (SpA) and rheumatoid arthritis (RA) and to implement this questionnaire in daily practice in the Netherlands.Methods After a forward-backward tran...
Article
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Background: In well-controlled rheumatoid arthritis (RA) without significant joint damage, a substantial proportion of patients complain of persistent pain. Previous studies have identified different pain phenotypes in RA, in which non-nociceptive pain phenotypes are associated with higher concurrent disease activity scores. In this longitudinal s...
Article
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Background: The aim of this retrospective study was to examine the longitudinal association between disease activity and radiographic damage in a cohort of patients with early RA (symptom onset < 1 year) treated according to treat-to-target (T2T) therapy. Methods: Baseline to 3-year follow-up data were used from patients included in the DREAM re...
Article
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Background: The aim of this study was to identify predictors of prolonged disease control after discontinuation of tumor necrosis factor inhibitor (TNFi) treatment in patients with rheumatoid arthritis (RA). Methods: Post-hoc analysis of 439 RA patients (67.3% rheumatoid factor positive) with longstanding RA in remission or with stable low disea...
Article
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Objective To retrospectively compare the long-term clinical, functional, and cost outcomes for early RA patients (symptoms < 1 year) who did or did not achieve early remission in a treat-to-target strategy. Method Five-year data of 471 patients included in the DREAM remission induction cohort were used. Patients were treated according to a pre-spe...
Conference Paper
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Background The Ankylosing Spondylitis Disease Activity Score (ASDAS) is a widely used composite measure of disease activity in axial spondyloarthritis (axSpA). Such a tool is lacking for peripheral SpA (pSpA). However, the ASDAS also assesses peripheral joint symptoms. Previously, trial data have shown that the ASDAS has high sensitivity to change...
Article
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Objectives: To evaluate the psychometric properties of the Responses to Positive Affect (RPA) questionnaire in a sample of persons with bipolar disorder (BD). Method: Cross-sectional survey study with 107 persons with BD. The original 3-factor model of the RPA was compared with a 2-factor model. Construct validity was determined with measures of...
Article
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The relevance of personal recovery receives increasing attention in mental health care and is also important for people with bipolar disorder (BD). There is a need for reliable and valid instruments measuring personal recovery. Therefore, the current study evaluated the psychometric properties of a Dutch translation of the Questionnaire about the P...
Article
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Background Gout is a common, monosodium urate crystal-driven inflammatory arthritis. Besides its clinical manifestations, patients often also suffer from pain, physical impairment, emotional distress and work productivity loss, as a result of the disease. Patient-reported outcome measures (PROMs) are commonly used to assess these consequences of th...
Article
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Lowering serum urate levels below the threshold for crystal formation with urate-lowering therapy (ULT) has been associated with a lower risk for gout flare reoccurrences. However, gout patients on ULT still commonly suffer from recurring gout flares. The purpose of this study was to explore prognostic factors associated with gout flare recurrence...
Article
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In the Netherlands, all schools are required to develop a wellbeing and social safeness policy. Despite this legislation, there is currently no adequate instrument available to measure the wellbeing and social safeness. Therefore, the present study investigates the psychometric properties of the Wellbeing and Social Safeness Questionnaire (WSSQ). T...
Article
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Objective Inflammation-related symptoms such as pain, swelling and tenderness of the affected joint are frequently assessed using 5-point diary rating scales in gout clinical trials. Combining these into a single gout attack symptom intensity score may be a useful summary measure for these data, which is potentially more responsive to change compar...
Article
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Samenvatting Om een optimale afname in depressieve symptomen te bewerkstelligen is een goede therapeutische relatie van belang. Er wordt verwacht dat het vroeg meten van de kwaliteit van deze relatie tijdens behandeling de behandeluitkomst krachtiger kan voorspellen. Ook wordt verwacht dat waargenomen therapeutkenmerken gerelateerd zijn aan hoe de...
Article
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Purpose: Generalized pain hypersensitivity is frequently observed in chronic pain conditions. Currently, identification is based on expert clinical opinion, and in very few cases combined with quantitative sensory testing. The objectives of this study were to develop and evaluate a short self-report measure of generalized pain hypersensitivity: a g...
Article
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The World Assumption Scale (WAS) is a frequently used measure in trauma research. The 32 items of the WAS are intended to represent eight assumptions about the benevolence of the world, the meaningfulness of events, and the worthiness of the self. Debate about the validity of the WAS is ongoing, particularly in terms of its empirical factor structu...
Article
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Background: Bipolar disorder (BD) is characterized by recurrent (hypo)manic and depressive episodes, alternating with euthymic states in which patients are relatively symptom free. Besides clinical recovery, it is important to also strive for improvement of mental well-being and personal recovery. One prominent field focussing on the improvement of...
Article
Objective: Fibromyalgia (FM) is characterized by widespread muscle pain and central neural deregulation. Previous studies showed increased muscle fiber conduction velocity (CV) in non-painful muscles of FM patients. This study investigates the relationship between central activation and the CV in FM. Methods: Twenty-two females with primary FM a...
Article
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The aim was to explore possible correlations of antibodies to extractable nuclear antigens (ENA) with clinical manifestations and disease activity indices in systemic lupus erythematosus (SLE) patients. A total of 70 consecutive SLE patients (64 females) were included. Disease activity was assessed by SLE activity index (SLEDAI), and British Isles...
Article
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1 Objective The growing evidence for the dual continua model of psychopathology and well‐being has important implications for measuring outcomes in mental health care. The aim of the current study is to validate a measure of well‐being as well as the dual continua model in adults with mood, anxiety, personality, and developmental disorders. 2 Meth...
Article
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Objectives: To test the internal consistency and item difficulty of the modified Iowa Level of Assistance Scale (mILAS). Design: Retrospective observational study. Setting: Two orthopaedic wards of two general hospitals. Participants: Following elective primary unilateral total hip replacement surgery, all participants performed mILAS activi...
Article
Objective: Recently we developed the Rasch Everyday Activity Limitations (REAL) generic item bank for measuring physical function. In this study we evaluate the REAL item bank in 209 RA patients and demonstrate how computerized adaptive testing (CAT) and Optimal Test Assembly methods can be used to derive measures from the REAL item bank with supe...
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Objective Successfully stopping or reducing treatment for patients with rheumatoid arthritis (RA) in low disease activity (LDA) may improve cost-effectiveness of care. We evaluated the multi-biomarker disease activity (MBDA) score as a predictor of disease relapse after discontinuation of TNF inhibitor (TNFi) treatment. Methods 439 RA patients who...