Is exercise protective against influenza-associated mortality?

Little is known about the effect of physical exercise on influenza-associated mortality. We collected information about exercise habits and other lifestyles, and socioeconomic and demographic status, the underlying cause of death of 24,656 adults (21% aged 30-64, 79% aged 65 or above) who died in 19...

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Veröffentlicht in:PloS one 2008-05, Vol.3 (5), p.e2108-e2108
Hauptverfasser: Wong, Chit-Ming, Lai, Hak-Kan, Ou, Chun-Quan, Ho, Sai-Yin, Chan, King-Pan, Thach, Thuan-Quoc, Yang, Lin, Chau, Yuen-Kwan, Lam, Tai-Hing, Hedley, Anthony Johnson, Peiris, Joseph Sriyal Malik
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Sprache:eng
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Zusammenfassung:Little is known about the effect of physical exercise on influenza-associated mortality. We collected information about exercise habits and other lifestyles, and socioeconomic and demographic status, the underlying cause of death of 24,656 adults (21% aged 30-64, 79% aged 65 or above) who died in 1998 in Hong Kong, and the weekly proportion of specimens positive for influenza A (H3N1 and H1N1) and B isolations during the same period. We assessed the excess risks (ER) of influenza-associated mortality due to all-natural causes, cardiovascular diseases, or respiratory disease among different levels of exercise: never/seldom (less than once per month), low/moderate (once per month to three times per week), and frequent (four times or more per week) by Poisson regression. We also assessed the differences in ER between exercise groups by case-only logistic regression. For all the mortality outcomes under study in relation to each 10% increase in weekly proportion of specimens positive for influenza A+B, never/seldom exercise (as reference) was associated with 5.8% to 8.5% excess risks (ER) of mortality (P
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0002108