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This article describes a series of studies involving 2,730 participants on the development and validity testing of the Severity Indices of Personality Problems (SIPP), a self-report questionnaire covering important core components of (mal)adaptive personality functioning. Results show that the 16 facets constituted homogeneous item clusters (i.e.,(More)
BACKGROUND Anxiety and depression are prevalent among employees and are associated with functional disability and work impairment. To date, little is known about the incidence and possible risk factors for developing anxiety and depression in the working population. Study aims were to (a) determine the incidence of subclinical anxiety and depression in a(More)
AIMS To determine whether psychosocial work environment and indicators of health problems are prospectively related to incident long term sickness absence in employees who visited the occupational physician (OP) and/or general practitioner (GP) in relation to work. METHODS The baseline measurement (May 1998) of the Maastricht Cohort Study, a prospective(More)
BACKGROUND AND OBJECTIVE The propensity score method (PS) has proven to be an effective tool to reduce bias in nonrandomized studies, especially when the number of (potential) confounders is large and dimensionality problems arise. The PS method introduced by Rosenbaum and Rubin is described in detail for studies with 2 treatment options. Since in clinical(More)
Psychoanalytically oriented day hospital therapy, later manualized and named mentalization-based treatment (MBT), has proven to be a (cost-) effective treatment for patients with severe borderline personality disorder and a high degree of psychiatric comorbidity (BPD) in the United Kingdom (UK). As to yet it has not been shown whether manualized day(More)
BACKGROUND The purposes of this study were: 1) to explore the psychometric properties of the HAD Scale in the working population, 2) to determine the prevalence of anxiety and depression on two severity levels among employees, and 3) to examine whether psychosocial work-related determinants for both categories of mental health problems may differ. METHODS(More)
OBJECTIVES To examine how health problems and psychosocial work characteristics are associated with having visited or not having visited the general practitioner (GP) in relation to work. METHODS Baseline self-reported data of the Maastricht Cohort Study about fatigue at work were used to gather information about fatigue (Checklist Individual Strength),(More)
OBJECTIVE This study aimed to explore cross-sectional and longitudinal associations between pathological worry and fatigue in a working population. METHODS In employees with very low or very high fatigue levels, psychometrics of the Penn State Worry Questionnaire (PSWQ; measuring pathological worry) and the Checklist Individual Strength (CIS; measuring(More)
BACKGROUND For patients with cluster B personality disorders there is no consensus regarding the optimal treatment setting. The aim of this study was to compare the effectiveness of different psychotherapeutic settings for patients with cluster B personality disorders, i.e. outpatient, day hospital, and inpatient treatment. METHODS The study was conducted(More)
BACKGROUND No previous studies have compared the effectiveness of different modalities of psychotherapeutic treatment, as defined by different settings and durations, for patients with cluster C personality disorders. The aim of this multicentre study was to compare the effectiveness of 5 treatment modalities for patients with cluster C personality(More)