An internet-delivered exercise intervention for workplace health promotion in overweight sedentary employees: a randomized trial.

Pressler, A; Knebel, U; Esch, S; Kölbl, D; Esefeld, K; Scherr, J; Haller, B; Schmidt-Trucksäss, A; Krcmar, H; Halle, M; Leimeister, JM

doi:10.1016/j.ypmed.2010.07.008

Benutzer: Gast

Institut für Medizinische Statistik und Epidemiologie

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Titel:: An internet-delivered exercise intervention for workplace health promotion in overweight sedentary employees: a randomized trial.
Dokumenttyp:: Journal Article; Research Support, Non-U.S. Gov't
Autor(en):: Pressler, A; Knebel, U; Esch, S; Kölbl, D; Esefeld, K; Scherr, J; Haller, B; Schmidt-Trucksäss, A; Krcmar, H; Halle, M; Leimeister, JM
Abstract:: 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.
Zeitschriftentitel:: Prev Med
Jahr:: 2010
Band / Volume:: 51
Heft / Issue:: 3-4
Seitenangaben Beitrag:: 234-9
Sprache:: eng
Volltext / DOI:: doi:10.1016/j.ypmed.2010.07.008
PubMed:: http://view.ncbi.nlm.nih.gov/pubmed/20638409
Print-ISSN:: 0091-7435
TUM Einrichtung:: Institut für Medizinische Statistik und Epidemiologie; Poliklinik für Präventive und Rehabilitative Sportmedizin
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