Document Detail


An internet-delivered exercise intervention for workplace health promotion in overweight sedentary employees: a randomized trial.
MedLine Citation:
PMID:  20638409     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To evaluate the effect of structured vs. non-structured internet-delivered exercise recommendations on aerobic exercise capacity and cardiovascular risk profile in overweight sedentary employees.
METHODS: 140 employees of an automobile company (11% female, median age 48 years (range 25-60), BMI 29.0 kg/m(2) (25.0-34.8)) were randomized in a 3:2 ratio to an intervention group receiving structured exercise schedules or a control group choosing workouts individually via an interactive website. The 12-week intervention took place in Munich, Germany, during summer 2008. Main outcome measure was performance at the lactate anaerobic threshold (P(AT)/kg) during ergometry.
RESULTS: 77 participants completed the study. The intervention group (n=50) improved significantly in P(AT)/kg ((mean (SD)) 1.68 (0.31) vs. 1.81 (0.33) W/kg; p=0.002), VO(2)peak (3.21 (0.63) vs. 3.35 (0.74) L/min; p=0.04), and waist circumference (100.5 (7.9) vs. 98.0 (7.8) cm; p=0.001). The control group (n=27) improved significantly in P(AT)/kg (1.59 (0.38) vs. 1.80 (0.49); p<0.001) and waist circumference (101.9 (8.7) vs. 98.3 (8.5) cm; p<0.001), but not in VO(2)peak. No significant between group differences in these outcome measures were noted.
CONCLUSION: Structured, internet-delivered exercise recommendations are not superior to internet-delivered non-structured exercise recommendations in a workplace setting. Both lifestyle intervention strategies are, however, limited by high dropout rates.
Authors:
Axel Pressler; Uta Knebel; Sebastian Esch; Dominik Kölbl; Katrin Esefeld; Johannes Scherr; Bernhard Haller; Arno Schmidt-Trucksäss; Helmut Krcmar; Martin Halle; Jan Marco Leimeister
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2010-07-16
Journal Detail:
Title:  Preventive medicine     Volume:  51     ISSN:  1096-0260     ISO Abbreviation:  Prev Med     Publication Date:    2010 Sep-Oct
Date Detail:
Created Date:  2010-09-14     Completed Date:  2011-01-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0322116     Medline TA:  Prev Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  234-9     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Inc. All rights reserved.
Affiliation:
Department of Prevention and Sports Medicine, Technische Universität München, Connollystr. 32, 80809 München, Germany. pressler@sport.med.tum.de
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MeSH Terms
Descriptor/Qualifier:
Adult
Anaerobic Threshold / physiology
Body Mass Index
Exercise* / physiology
Female
Health Promotion / methods*
Heart Rate / physiology
Humans
Male
Middle Aged
Obesity / therapy*
Oxygen Consumption / physiology
Patient Compliance
Patient Dropouts
Sedentary Lifestyle
Therapy, Computer-Assisted* / methods
Waist Circumference
Workplace*

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


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