Abstract:
BACKGROUND:There is no research on the association of television (TV) watching with atrial fibrillation (AF). METHODS:From 1987 to 1989, the authors obtained information on the frequency of TV watching in 14,458 participants, aged 45-64 years, without a history of AF. The authors used the Cox proportional hazards model to estimate hazard ratios and their 95% confidence intervals of AF according to the frequency of TV watching ("never or seldom," "sometimes," "often," or "very often"). RESULTS:During the 294,553 person-years of follow-up, the authors identified 2,476 AF events. Adjustment for other potential confounding factors, including physical activity, did not change the associations, in which "very often" watching TV carried 1.28 (95% confidence interval, 1.09-1.50) times AF risk compared with "never or seldom" watching TV (P for trend = .002). Even among individuals who met a recommended level of physical activity, watching TV "very often" carried 1.36 (1.02-1.82) times AF risk, compared with watching TV "never or seldom." CONCLUSION:Greater frequency of TV watching was independently associated with increased risk of AF even after adjusting for physical activity. Moreover, a recommended level of physical activity did not eliminate the increased risk of frequent TV watching for AF. Avoiding frequent TV watching might be beneficial for AF prevention.
journal_name
J Phys Act Healthjournal_title
Journal of physical activity & healthauthors
Kubota Y,Alonso A,Shah AM,Chen LY,Folsom ARdoi
10.1123/jpah.2018-0064subject
Has Abstractpub_date
2018-12-01 00:00:00pages
895-899issue
12eissn
1543-3080issn
1543-5474journal_volume
15pub_type
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