Associations Between Television Viewing Time and Overall Sitting Time with the Metabolic Syndrome in Older Men and Women: The Australian Diabetes Obesity and Lifestyle Study

• Autores: Paul A. Gardiner, Geneviève N. Healy, Elizabeth G. Eakin, Bronwyn K. Clark, David W. Dunstan, Jonathan E. Shaw, Paul Zimmet, Neville Owen
• Localización: Journal of the American Geriatrics Society, ISSN 0002-8614, Vol. 59, Nº. 5, 2011, págs. 788-796
• Idioma: inglés
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• Resumen

  • OBJECTIVES: To examine associations between self-reported television (TV) viewing time and overall sitting time with the metabolic syndrome and its components.

    DESIGN: Cross-sectional.

    SETTING: Population-based sample of older men and women living in Australia.

    PARTICIPANTS: One thousand nine hundred fifty-eight participants from the Australian Diabetes, Obesity and Lifestyle (AusDiab) study (aged?60, mean age 69, 54% women).

    MEASUREMENTS: Self-reported television viewing time and overall sitting time were collected using an interviewer-administered questionnaire. The metabolic syndrome was defined according to the revised International Diabetes Federation criteria.

    RESULTS: Compared with those in the lowest quartile, the odds ratios (ORs) of the metabolic syndrome in the highest quartile of television viewing time were 1.42 (95% confidence interval (CI)=0.93�2.15) for men and 1.42 (95% CI=1.01�2.01) for women and in the highest quartile of overall sitting time were 1.57 (95% CI=1.02�2.41) for men and 1.56 (95% CI=1.09�2.24) for women. Television viewing time was associated with lower high-density lipoprotein cholesterol (HDL-C) levels and glucose intolerance in women. Overall sitting time was detrimentally associated with greater risk of high triglyceride levels in men and women, abdominal obesity in women, and low HDL-C levels in men. All models were adjusted for age, education, physical activity, self-rated health, employment, diet, smoking, and alcohol intake and for hormone replacement therapy and estrogen use in women.

    CONCLUSION: For older adults, high levels of sedentary behavior were associated with greater prevalence of the metabolic syndrome; reducing prolonged overall sitting time may be a feasible way to improve metabolic health.