Physical activity and television viewing in relation to risk and undiagnosed abnormal glucose metabolism in adults

Dunstan, David W., Salmon, Jo, Owen, Neville, Armstrong, Timothy, Zimmet, Paul Z., Welborn, Timothy A., Cameron, Adrian J., Dwyer, Terence, Jolley, Damien and Shaw, Jonathan E. 2004, Physical activity and television viewing in relation to risk and undiagnosed abnormal glucose metabolism in adults, Diabetes care, vol. 27, no. 11, pp. 2603-2609.

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Title Physical activity and television viewing in relation to risk and undiagnosed abnormal glucose metabolism in adults
Author(s) Dunstan, David W.
Salmon, Jo
Owen, Neville
Armstrong, Timothy
Zimmet, Paul Z.
Welborn, Timothy A.
Cameron, Adrian J.
Dwyer, Terence
Jolley, Damien
Shaw, Jonathan E.
Journal name Diabetes care
Volume number 27
Issue number 11
Start page 2603
End page 2609
Publisher American Diabetes Association
Place of publication Alexandria, Va.
Publication date 2004-11-27
ISSN 0149-5992
1935-5548
Summary OBJECTIVE--The goal of this study was to assess the associations of physical activity time and television (TV) time with risk of "undiagnosed" abnormal glucose metabolism in Australian adults.

RESEARCH DESIGN AND METHODS--
This population-based cross-sectional study using a stratified cluster design involving 42 randomly selected Census Collector Districts across Australia included 8,299 adults aged 25 years or older who were free from new type 2 diabetes and self-reported ischemic disease and did not take lipid lowering or antihypertensive drugs. Abnormal glucose metabolism (impaired fasting glycetnia [IFG], impaired glucose tolerance [IGT], or new type 2 diabetes) was based on an oral glucose tolerance test Self reported physical activity time and TV time (previous week) were assessed using interviewer administered questionnaires.

RESULTS--Alter adjustment for known confounders and TV time, the odds ratio (OR) of having abnormal glucose metabolism was 0.62 (95% CI 0.41-0.96) in men and 0.71 (0.501.00) in women for those engaged in physical activity [greater than or equal to] 2.5 h/week compared with those who were sedentary (0 h/week). The ORs of having abnormal glucose metabolism were 1.16 (0.791.70) in men and 1.49 (1.12-1.99) in women who watched TV > 14 h/week compared with those who watched [less than or equal to] 7.0 h/week. Higher TV viewing (> 14 h/week) was also associated with an increased risk of new type 2 diabetes in men and women and IGT in women compared with those watching < 14 h/week. Total physical activity of [greater than or equal to] 2.5 h/week was associated with a reduced risk of IFG, IGT, and new type 2 diabetes in both sexes: however, only the association with IGT in women was statistically significant.

CONCLUSIONS--These findings suggest a protective effect of physical activity and a deleterious effect of TV time on the risk of abnormal glucose metabolism in adults. Population strategies to reduce risk of abnormal glucose metabolism should focus on reducing sedentary behaviors such as TV time, as well as increasing physical activity.
Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, American Diabetes Association
Persistent URL http://hdl.handle.net/10536/DRO/DU:30006478

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