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BACKGROUND Patient self-report allows collecting comprehensive data for the purpose of performing economic evaluations. The aim of the current study was to assess the feasibility, reliability and a part of the construct validity of a commonly applied questionnaire on healthcare utilization and productivity losses in patients with a psychiatric disorder(More)
Our objective was to assess the mental health status of pregnant women who are HIV-positive, compared with other groups of pregnant women. We evaluated pregnant HIV-positive women attending the Medecins Sans Frontiers (MSF) HIV clinic in Malanje, Angola (N = 23). The control group consisted of pregnant women coming for antenatal clinic consultations who(More)
Over the last few years, three-level longitudinal models have become more common in psychotherapy research, particularly in therapist-effect or group-effect studies. Thus far, limited attention has been paid to power analysis in these models. This article demonstrates the effects of intraclass correlation, level of randomization, sample size, covariates and(More)
This study described the psychometric properties of the Swedish version of the Outcome Questionnaire (OQ-45.2) in a substance abuse sample (N=227). The test properties were satisfactory except for somewhat low internal consistency in the social role subscale. The results were similar to those obtained in other countries but systematic international(More)
Providing outcome monitoring feedback to therapists seems to be a promising approach to improve outcomes in clinical practice. This study aims to examine the effect of feedback and investigate whether it is moderated by therapist characteristics. Patients (n=413) were randomly assigned to either a feedback or a no-feedback control condition. There was no(More)
In the last 15 years feedback interventions have had a significant impact on the field of psychotherapy research and have demonstrated their potential to enhance treatment outcomes, especially for patients with an increased risk of treatment failure. This article serves as an introduction to the special issue on "Patient-focused and feedback research in(More)
OBJECTIVE Despite research on its effectiveness, many therapists still have negative attitudes toward using outcome monitoring feedback. The current study aims to investigate how the perceived match between values of an individual and those of the organization (Person-Organization fit; PO fit), and motivation to prevent failure or to achieve success(More)
We applied item response theory based person-fit analysis (PFA) to data of the Outcome Questionnaire-45 (OQ-45) to investigate the prevalence and causes of aberrant responding in a sample of Dutch clinical outpatients. The [Formula: see text] person-fit statistic was used to detect misfitting item-score patterns and the standardized residual statistic for(More)
This study aimed to evaluate the differential effect of outcome monitoring feedback to therapists and to patients on outcomes in cluster B, cluster C, and personality disorder not otherwise specified (PD-NOS) patients. Day treatment patients (n = 112) and inpatients (n = 94) were randomly assigned to a feedback to therapist (FbT), feedback to therapist and(More)
The Treatment Support Measure (TSM) Parent and Youth were created to help clinicians with actionable feedback when youths are not making sufficient progress in treatment. This study examined the psychometric properties of the Dutch TSM Parent and TSM Youth. Parents (n = 172) and youth (n = 122) were recruited at 2 outpatient mental health care institutions.(More)