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Table 2 Onset of influenza A and B and its association with mean values and declines in temperature (per 1°C) and humidity (0.5 g/m 3 )

From: Decline in temperature and humidity increases the occurrence of influenza in cold climate

Parameter

Temperature (°C) OR (95% CI)

Absolute humidity (g/m3) OR (95% CI)

Mean

1.10 (1.02 to 1.19)

1.25 (1.05 to 1.49)

Max decline*

1.11 (1.03 to 1.20)

1.58 (1.28 to 1.96)

  1. The odds ratios (95% confidence interval) were calculated per 1°C temperature and per 0.5 g /m3 absolute humidity decreases.
  2. *adjusted for the initial level before the decline.
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Environmental Health

ISSN: 1476-069X