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Ferro, D.A. (author), Deijen, J.B. (author), Koppes, L.L. (author), van Mechelen, W. (author), Twisk, J.W. (author), Drent, M.L. (author)
Background: Physical activity and fitness in adolescence may improve cognition in adulthood by increasing insulin-like growth factor I (IGF-I). Methods: As part of the Amsterdam Growth and Health Longitudinal Study, following subjects from age 13 to 42 years, physical activity and fitness of 303 subjects were assessed annually between the ages...
article 2016
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van Scheppingen, A.R. (author), ten Have, K.C.J.M. (author), Zwetsloot, G.I.J.M. (author), Kok, G. (author), van Mechelen, W. (author)
Companies, seen as social communities, are major health promotion contexts. However, health promotion in the work setting is often less successful than intended. An optimal adjustment to the organisational context is required. Knowledge of which organisation-specific factors are relevant to health promotion is scarce. A Delphi procedure is used...
article 2015
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Broekhuizen, K. (author), van Wier, M.F. (author), Koppes, L.L.J. (author), Brug, J. (author), van Mechelen, W. (author), Bosmans, J.E. (author), Poppel, M.N. (author)
Background: Cost-effectiveness analyses provide insight in the use of lifestyle interventions. To evaluate the cost-effectiveness of a lifestyle intervention compared to usual care in people with Familial Hypercholesterolemia, 340 people with FH were randomized to the intervention or control group. LDL cholesterol, quality of life and costs were...
article 2015
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Geraedts, A.S. (author), van Dongen, J.M. (author), Kleiboer, A.M. (author), Wiezer, N.M. (author), van Mechelen, W. (author), Cuijpers, P. (author), Bosmans, J.E. (author)
Objective: To evaluate the cost-effectiveness of a Web-based guided intervention compared with care as usual for employees with depressive symptoms. Methods: A total of 231 employees with depressive symptoms were randomized. Data were collected at baseline, 8 weeks, 6 months, and 12 months. Analyses were conducted from the societal and employer...
article 2015
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van Scheppingen, A.R. (author), de Vroome, E.M.M. (author), ten Have, K.C.J.M. (author), Zwetsloot, G.I.J.M. (author), Wiezer, N. (author), van Mechelen, W. (author)
BACKGROUND: Vitality at work is an important factor for optimal functioning and sustainable employability. To date, knowledge on how to promote vitality at work is fragmented. OBJECTIVE: Contribute to knowledge on how to promote vitality at work. METHODS: Determinants of vitality at work are identified from three scientific fields, and used in a...
article 2015
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Uijtdewilligen, L. (author), Twisk, J.W.R. (author), Chinapaw, M.J.M. (author), Koppes, L.L.J. (author), van Mechelen, W. (author), Singh, A.S. (author)
Purpose: This study aimed to examine the longitudinal associations of person-related factors with physical activity (PA) behavior in young adults. Methods: We analyzed longitudinal self-reported time spent in moderate-intensity PA (MPA; 4-7 METs) and vigorous-intensity PA (VPA; >7 METs) from 499 young adults (49% male) who participated in the...
article 2014
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van Scheppingen, A.R. (author), de Vroome, E.M.M. (author), ten Have, K.C.J.M. (author), Bos, E.H. (author), Zwetsloot, G.I.J.M. (author), van Mechelen, W. (author)
Objective: To examine the effectiveness of an organizational large-scale intervention applied to induce a health-promoting organizational change process. Design and Methods: A quasi-experimental, "as-treated" design was used. Regression analyses on data of employees of a Dutch dairy company (n =324) were used to examine the effects on bonding...
article 2014
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Licht, C.M.M. (author), van Turenhout, L.C. (author), Deijen, J.B. (author), Koppes, L.L.J. (author), van Mechelen, W. (author), Twisk, J.W.R. (author), Drent, M.L. (author)
Several studies have demonstrated an association between polymorphisms in the insulin-like growth factor-1 (IGF-1) gene and IGF-1 serum levels. IGF-1 levels have been associated with cognitive functioning in older persons and growth hormone deficient patients. The present study investigates whether IGF-1 polymorphisms, IGF-1 levels, and...
article 2014
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Geraedts, A.S. (author), Kleiboer, A.M. (author), Wiezer, N.M. (author), Cuijpers, P. (author), van Mechelen, W. (author), Anema, J.R. (author)
Depressive disorders are highly prevalent in the working population and lead to excessive costs. Online interventions have shown to be effective treatments for depression but are not often applied in the work setting, despite the importance of work related aspects in the development and perpetuation of depression. We developed a worker-directed...
article 2014
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Geraedts, A.S. (author), Fokkema, M. (author), Kleiboer, A.M. (author), Smit, F. (author), Wiezer, N.W. (author), Majo, M.C. (author), van Mechelen, W. (author), Cuijpers, P. (author), Penninx, B.W.J.H. (author)
Objective: To examine how various predictors and subgroups of respondents contribute to the prediction of health care and productivity costs in a cohort of employees. Methods: We selected 1548 employed people from a cohort study with and without depressive and anxiety symptoms or disorders. Prediction rules, using the RuleFit program, were...
article 2014
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Wierenga, D. (author), Engbers, L.H. (author), van Empelen, P. (author), de Moes, K.J. (author), Wittink, H. (author), Gr├╝ndemann, R. (author), van Mechelen, W. (author)
Objective: To evaluate the implementation of a multicomponent lifestyle intervention at two different worksites. Methods: Data on eight process components were collected by means of questionnaires and interviews. Data on the effectiveness were collected using questionnaires. Results: The program was implemented partly as planned, and 84.0% (max...
article 2014
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Geraedts, A.S. (author), Kleiboer, A.M. (author), Wiezer, N.M. (author), van Mechelen, W. (author), Cuijpers, P. (author)
Background: Depressive disorders are highly prevalent in the working population and are associated with excessive costs. The evidence for effective worker-directed interventions for employees with depressive symptoms is limited. Treating employees with depressive symptoms before sick leave via the Internet could be beneficial and cost saving....
article 2014
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van Scheppingen, A.R. (author), de Vroome, E.M.M. (author), ten Have, K.C.J.M. (author), Zwetsloot, G.I.J.M. (author), Bos, E.H. (author), van Mechelen, W. (author)
Objective: Investigate employees' underlying motivational regulatory styles toward healthy living and their associations with lifestyle, work style, health, vitality, and productivity. Methods: Regression analyses on cross-sectional data from Dutch employees (n = 629), obtained as baseline measurement before a workplace health promotion project....
article 2014
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Geraedts, A.S. (author), Kleiboer, A.M. (author), Twisk, J. (author), Wiezer, N.M. (author), van Mechelen, W. (author), Cuijpers, P. (author)
Background: Depressive disorders are highly prevalent in the working population and are associated with excessive costs. The evidence for effective worker-directed interventions for employees with depressive symptoms is limited. Treating employees with depressive symptoms via the Internet before they report sick from work could be beneficial and...
article 2014
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Geraedts, A.S. (author), Kleiboer, A.M. (author), Wiezer, N.M. (author), van Mechelen, W. (author), Cuijpers, P. (author)
Background: Depressive disorders are highly prevalent in the working population and are associated with excessive costs for both society and companies. Effective treatment for employees with depressive symptoms in occupational health care is limited. The purpose of this study is to investigate the effectiveness and cost-effectiveness of an...
article 2013
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van Dongen, J.M. (author), Proper, K. (author), van Wier, M.F. (author), van Mechelen, W. (author), van Tulder, M.W. (author), van der Beek, A.J. (author)
article 2013
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Strijk, J.E. (author), Proper, K.I. (author), van Mechelen, W. (author), van der Beek, A.J. (author)
Objective A worksite lifestyle intervention aiming to improve lifestyle behaviors could be an effective tool to keep older workers vital, and thereby prolong their labor participation. This study evaluates the effectiveness of such an intervention on vitality, work engagement, productivity and sick leave. Methods In a randomized controlled trial...
article 2013
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Verweij, L.M. (author), Proper, K.I. (author), Weel, A.N.H. (author), Hulshof, C.T.J. (author), van Mechelen, W. (author)
Objective This study aims to evaluate the effectiveness of a draft occupational health guideline, aimed at preventing weight gain, on employees' body weight-related outcomes, cardiovascular disease (CVD) risk factors, and quality of life. Methods In a cluster randomized controlled trial including 16 occupational physicians (OP) and 523 employees...
article 2013
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Verweij, L.M. (author), Terwee, C.B. (author), Proper, K.I. (author), Hulshof, C.T. (author), van Mechelen, W.V. (author)
Objective It is not clear whether measuring waist circumference in clinical practice is problematic because the measurement error is unclear, as well as what constitutes a clinically relevant change. The present study aimed to summarize what is known from state-of-the-art research. Design To identify the magnitude of the measurement error of...
article 2013
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van Scheppingen, A.R. (author), de Vroome, E.M.M. (author), ten Have, K.C.J.M. (author), Bos, E.H. (author), Zwetsloot, G.I.J.M. (author), van Mechelen, W. (author)
OBJECTIVE: To examine the associations between organizational (bonding, bridging, and linking) social capital, employees' health, and employees' performance. METHODS: Linear regression on cross-sectional data among 718 employees in two Dutch companies. RESULTS: Organizational social capital was significantly associated with perceived health (╬▓ =...
article 2013
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