Document Detail


Health-related effects of worksite interventions involving physical exercise and reduced workhours.
MedLine Citation:
PMID:  18728907     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: This study examined the health-related effects of two worksite interventions, physical exercise and reduced workhours, on women employed in dentistry. METHODS: Six workplaces were randomized to one of the following three conditions: (i) 2.5 hours of weekly, mandatory physical exercise of middle-to-high intensity to be performed during workhours (N=62), (ii) a reduction of full-time weekly workhours from 40 to 37.5 hours (N=50), and (iii) reference. In all, 177 women participated. Biomarkers and self-ratings in questionnaires were obtained before the intervention (T (1)), and six (T (2)) and 12 months (T (3)) after the intervention. RESULTS: The results showed increased levels of physical activity and exercise in all of the groups, the level of physical exercise being significantly greater in the physical exercise group. Repeated-measures analyses of variance using data from T (1)and T (3)for biological measures and all three time points for self-ratings produced significant interaction effects for glucose, waist-to-hip ratio, and work ability and clear trends for general symptoms and upper-extremity disorders. Posthoc analyses showed that the results of the health-related measures differed between the interventions, decreased glucose and upper-extremity disorders in the exercise group, and increased high-density lipoprotein and waist-to-hip ratio among those working reduced hours. CONCLUSIONS: These results show that the two interventions had small and varied effects on biomarkers and self-reports of different aspects of health among women. It is suggested that interventions involving a modest reduction in workhours seem to be more effective if these hours are used for physical exercise.
Authors:
Ulrica von Thiele Schwarz; Petra Lindfors; Ulf Lundberg
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Scandinavian journal of work, environment & health     Volume:  34     ISSN:  0355-3140     ISO Abbreviation:  Scand J Work Environ Health     Publication Date:  2008 Jun 
Date Detail:
Created Date:  2008-08-27     Completed Date:  2008-11-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7511540     Medline TA:  Scand J Work Environ Health     Country:  Finland    
Other Details:
Languages:  eng     Pagination:  179-88     Citation Subset:  IM    
Affiliation:
Department of Psychology, Stockholm University, SE-106 91 Stockholm, Sweden. uvt@psychology.su.se
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MeSH Terms
Descriptor/Qualifier:
Adult
Biological Markers / blood
Body Mass Index
Dentistry / manpower
Exercise*
Female
Health Promotion / methods*
Humans
Lipoproteins, HDL / blood
Middle Aged
Occupational Diseases / blood,  etiology,  prevention & control*
Occupational Health Services / organization & administration*
Personnel Staffing and Scheduling*
Public Health Dentistry / organization & administration
Questionnaires
Work Schedule Tolerance*
Workplace
Chemical
Reg. No./Substance:
0/Biological Markers; 0/Lipoproteins, HDL

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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