Johan de Bruin

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BACKGROUND Manual workers in the public sector have previously been found to be at risk of mental sickness absence (SA). As the impact of mental illness differs across economic sectors, this study investigated mental SA in the industrial sector, differentiating between office and production workers. METHODS Ten-year observational cohort study including 14(More)
OBJECTIVES To investigate the Maslach Burnout Inventory-General Survey (MBI-GS) and the Utrecht Work Engagement Scale (UWES) for their ability to identify non-sicklisted employees at increased risk of long-term sickness absence (LTSA). METHODS One-year prospective cohort study including 4,921 employees participating in occupational health surveys in the(More)
BACKGROUND Recently, a three-item screener, derived from the 16-item distress scale of the Four-Dimensional Symptom Checklist (4DSQ), was used to measure psychological distress in sicklisted employees. The aim of the present study was to investigate the ability of the 16-item distress scale and three-item distress screener to identify non-sicklisted(More)
BACKGROUND It is unclear when occupational health providers should re-evaluate workers after mental health-related absences from work. AIMS To investigate the time to recurrence of mental health-related absences, stratified by International Classification of Diseases-Tenth Revision (ICD-10) diagnostic categories. METHODS A 10-year observational study of(More)
All pigs passing along the slaughter-line in the slaughter-house of the Livestock and Meat Board of the Christian Farmers' Association of the Province of North Brabant are examined for the presence of lesions of the lung and liver. The proportions of animals without any severe lesions of the lungs and livers and the proportions of those with affected lungs,(More)
The proportion of pigs which died during and shortly after transport was estimated in 1976, like it was in 1968 and 1972. The monthly inquiry included forty-four per cent (approximately 5.2 million animals) of the total number of pigs slaughtered in the Netherlands in 1976. Mortality during and after transport showed a decrease ever since 1968 and was(More)
INTRODUCTION Depression and anxiety can be a major factor of perioperative stress and might contribute to patients dissatisfaction with medical care if they remain unrecognized. There are several methods to diagnose depression and anxiety like standardized written psychological tests or self report scales. Because these tests are not always suitable for(More)