• Publications
  • Influence
A validation study of the Hospital Anxiety and Depression Scale (HADS) in different groups of Dutch subjects.
The moderate PPV suggests that the HADS is best used as a screening questionnaire and not as a 'case-identifier' for psychiatric disorder or depression. Expand
Negative life events, cognitive emotion regulation and emotional problems
Abstract A new questionnaire, named the Cognitive Emotion Regulation Questionnaire, has been constructed, measuring nine cognitive coping strategies people tend to use after having experiencedExpand
Outpatient psychotherapy for borderline personality disorder: randomized trial of schema-focused therapy vs transference-focused psychotherapy.
Three years of SFT or TFP proved to be effective in reducing borderline personality disorder-specific and general psychopathologic dysfunction and in improving quality of life; SFT is more effective than TFP for all measures. Expand
The Netherlands Study of Depression and Anxiety (NESDA): rationale, objectives and methods
The Netherlands Study of Depression and Anxiety (NESDA) is a multi‐site naturalistic cohort study to: (1) describe the long‐term course and consequences of depressive and anxiety disorders, and (2)Expand
The Development and Psychometric Characteristics of the Somatoform Dissociation Questionnaire (SDQ‐20)
The Somatoform Dissociation Questionnaire (SDQ-20) is a scale of good psychometric quality, which measures somatoform dissociation, and the symptoms pertain to negative and positive dissociative phenomena, which were well known in 19th century French psychiatry as the mental stigmata and mental accidents of hysteria. Expand
Cognitive behaviour therapy for chronic fatigue syndrome: a multicentre randomised controlled trial
CBT was more effective than guided support groups and the natural course in a multicentre trial with many therapists and showed a lower proportion of patients with improvement than CBT trials with a few highly skilled therapists. Expand
The efficacy of mindfulness-based cognitive therapy in recurrent depressed patients with and without a current depressive episode: a randomized controlled trial
MBCT is as effective for patients with recurrent depression who are currently depressed as for patients who are in remission, although future research is needed to support these hypotheses. Expand
Course and predictors of mental health of unaccompanied refugee minors in the Netherlands: one year follow-up.
The present study, which used a population-based sample, further enlarges the knowledge of mental health among refugee adolescents and finds baseline psychopathology was the largest predictor of psychological distress at follow-up reported by all informants accounting for 22-51% of the variance. Expand
A validation study of the Whitely Index, the Illness Attitude Scales, and the Somatosensory Amplification Scale in general medical and general practice patients.
Scores on the WI and Health Anxiety subscale of the IAS declined significantly from general medical outpatients, through general practice patients to subjects from the general population, which might imply that medical care utilisation is related to hypochondriasis. Expand