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Multiple regression analysis showing the relation between the weekly incidence of influenza A virus and the change in average weekly outdoor temperature (temp drop) compared with the previous week at week 0 (current week), −1 (1 week ago) and −2 (2 weeks ago), during three consecutive seasonal outbreaks.
| Agent (weekly incidence) |
Potential predictor (s) | Coefficient | Adjusted R2 | p |
|---|---|---|---|---|
| Influenza A | Temp dropweek 0 | 0.35 | 0.22 | 0.05 |
| Temp dropweek −1 | 0.38 | 0.22 | 0.03 | |
| Temp dropweek −2 | 0.16 | 0.22 | 0.36 |
