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

Abstract

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 glycemia [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

After 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 (0.50-1.00) in women for those engaged in physical activity >or=2.5 h/week compared with those who were sedentary (0 h/week). The ORs of having abnormal glucose metabolism were 1.16 (0.79-1.70) in men and 1.49 (1.12-1.99) in women who watched TV >14 h/week compared with those who watched <or=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 >or=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.

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  • Publisher Full Text
  • Authors+Show Affiliations

    ,

    International Diabetes Institute, Melbourne, Australia 3162. ddunstan@idi.org.au

    , , , , , , , , ,

    Source

    Diabetes care 27:11 2004 Nov pg 2603-9

    MeSH

    Adult
    Blood Glucose
    Cross-Sectional Studies
    Diabetes Mellitus, Type 2
    Fasting
    Female
    Glucose Intolerance
    Humans
    Life Style
    Male
    Middle Aged
    Motor Activity
    Odds Ratio
    Risk Factors
    Surveys and Questionnaires
    Television
    Time Factors

    Pub Type(s)

    Journal Article
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    15504993

    Citation

    Dunstan, David W., et al. "Physical Activity and Television Viewing in Relation to Risk of Undiagnosed Abnormal Glucose Metabolism in Adults." Diabetes Care, vol. 27, no. 11, 2004, pp. 2603-9.
    Dunstan DW, Salmon J, Owen N, et al. Physical activity and television viewing in relation to risk of undiagnosed abnormal glucose metabolism in adults. Diabetes Care. 2004;27(11):2603-9.
    Dunstan, D. W., Salmon, J., Owen, N., Armstrong, T., Zimmet, P. Z., Welborn, T. A., ... Shaw, J. E. (2004). Physical activity and television viewing in relation to risk of undiagnosed abnormal glucose metabolism in adults. Diabetes Care, 27(11), pp. 2603-9.
    Dunstan DW, et al. Physical Activity and Television Viewing in Relation to Risk of Undiagnosed Abnormal Glucose Metabolism in Adults. Diabetes Care. 2004;27(11):2603-9. PubMed PMID: 15504993.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Physical activity and television viewing in relation to risk of undiagnosed abnormal glucose metabolism in adults. AU - Dunstan,David W, AU - Salmon,Jo, AU - Owen,Neville, AU - Armstrong,Timothy, AU - Zimmet,Paul Z, AU - Welborn,Timothy A, AU - Cameron,Adrian J, AU - Dwyer,Terence, AU - Jolley,Damien, AU - Shaw,Jonathan E, AU - ,, PY - 2004/10/27/pubmed PY - 2005/3/9/medline PY - 2004/10/27/entrez SP - 2603 EP - 9 JF - Diabetes care JO - Diabetes Care VL - 27 IS - 11 N2 - 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 glycemia [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: After 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 (0.50-1.00) in women for those engaged in physical activity >or=2.5 h/week compared with those who were sedentary (0 h/week). The ORs of having abnormal glucose metabolism were 1.16 (0.79-1.70) in men and 1.49 (1.12-1.99) in women who watched TV >14 h/week compared with those who watched <or=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 >or=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. SN - 0149-5992 UR - https://www.unboundmedicine.com/medline/citation/15504993/full_citation L2 - http://care.diabetesjournals.org/cgi/pmidlookup?view=long&amp;pmid=15504993 DB - PRIME DP - Unbound Medicine ER -