Please use this identifier to cite or link to this item: https://doi.org/10.1249/MSS.0b013e3181ea0f0d
Title: Physical activity, television viewing time, and retinal vascular caliber
Authors: Anuradha, S.
Dunstan, D.W.
Healy, G.N.
Shaw, J.E.
Zimmet, P.Z.
Wong, T.Y. 
Owen, N.
Keywords: arteriole
microvessels
retina
Sedentary behavior
venule
Issue Date: Feb-2011
Citation: Anuradha, S., Dunstan, D.W., Healy, G.N., Shaw, J.E., Zimmet, P.Z., Wong, T.Y., Owen, N. (2011-02). Physical activity, television viewing time, and retinal vascular caliber. Medicine and Science in Sports and Exercise 43 (2) : 280-286. ScholarBank@NUS Repository. https://doi.org/10.1249/MSS.0b013e3181ea0f0d
Abstract: Purpose: To examine the associations of physical activity and television (TV) viewing time with retinal vascular caliber in Australian adults. Methods: A total of 2024 adults aged 25 yr or older without known diabetes in the Australian Diabetes, Obesity, and Lifestyle Study (AusDiab, 1999-2000), a population-based cross-sectional study, were evaluated. Retinal vascular calibers (both arteriolar and venular calibers) were measured from digital retinal photographs using a computer-assisted method and were summarized into central retinal artery and vein equivalents. Self-reported physical activity time and TV viewing time were obtained using interviewer-administered questionnaires. Results: For physical activity, no statistically significant multivariate relationships emerged for men or for women. After adjusting for confounders (age, sex, education, cigarette smoking, diet quality, waist circumference, systolic blood pressure, plasma glucose levels, serum fibrinogen, serum triglyceride, and physical activity time), men who watched TV for at least 2 h•d had a venular caliber that was 4.71 μm (95% confidence interval = 1.37-8.04 μm, P = 0.006) wider compared with those watching
Source Title: Medicine and Science in Sports and Exercise
URI: http://scholarbank.nus.edu.sg/handle/10635/109518
ISSN: 01959131
DOI: 10.1249/MSS.0b013e3181ea0f0d
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