Associations of TV viewing and physical activity with the metabolic syndrome in Australian adults

Dunstan, D. W., Salmon, J., Owen, N., Armstrong, T., Zimmet, P. Z., Welborn, T. A., Cameron, A. J., Dwyer, T., Jolley, D. and Shaw, J. E. 2005, Associations of TV viewing and physical activity with the metabolic syndrome in Australian adults, Diabetologia : clinical and experimental diabetes and metabolism, vol. 48, no. 11, pp. 2254-2261.

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Title Associations of TV viewing and physical activity with the metabolic syndrome in Australian adults
Author(s) Dunstan, D. W.
Salmon, J.
Owen, N.
Armstrong, T.
Zimmet, P. Z.
Welborn, T. A.
Cameron, A. J.
Dwyer, T.
Jolley, D.
Shaw, J. E.
Journal name Diabetologia : clinical and experimental diabetes and metabolism
Volume number 48
Issue number 11
Start page 2254
End page 2261
Publisher Springer-Verlag
Place of publication Berlin, Germany
Publication date 2005-11
ISSN 0012-186X
1432-0428
Keyword(s) glucose intolerance
insulin resistance
metabolic syndrome
physical activity
sedentary behaviour
obesity
Summary Aims/hypothesis We analysed a sample of Australian adults to determine the strength of associations of TV viewing and participation in physical activity with the metabolic syndrome.

Methods
This population-based cross-sectional study included 6,241 adults aged ge35 years who were free from diagnosed diabetes mellitus and self-reported ischaemic disease and were not taking lipid-lowering or antihypertensive drugs. The metabolic syndrome was defined according to the 1999 World Health Organization criteria. Participants self-reported TV viewing time and physical activity time for the previous week.

Results The adjusted odds ratio of having the metabolic syndrome was 2.07 (95% CI 1.49–2.88) in women and 1.48 (95% CI 0.95–2.31) in men who watched TV for >14 h per week compared with those who watched le7.0 h per week. Compared with those who were less active (<2.5 h per week), the odds ratio for the metabolic syndrome was 0.72 (95% CI 0.58–0.90) in men and 0.53 (95% CI 0.38–0.74) in women who were active (ge2.5 h per week). Longer TV viewing (>14 h per week) was associated with an increased risk of insulin resistance, obesity and dyslipidaemia in both men and women. A total physical activity time of ge2.5 h per week was associated with a reduced prevalence of both insulin resistance and dyslipidaemia in both sexes and reduced prevalence of both obesity and hypertension in women.

Conclusions/interpretation Increased TV viewing time was associated with an increased prevalence of the metabolic syndrome, while physical activity was associated with a reduced prevalence. Population strategies addressing the metabolic syndrome should focus on reducing sedentary behaviours such as TV viewing, as well as increasing physical activity.
Language eng
Field of Research 111716 Preventive Medicine
110602 Exercise Physiology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, Springer-Verlag
Persistent URL http://hdl.handle.net/10536/DRO/DU:30008842

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