Table 1.
Univariate association between home visits and weather and temporal variables
| Weather variable | IRR | 95% CI |
|---|---|---|
| Minimum temperature, °C | 0.996 | 0.993 to 0.999 |
| Cold/not cold | 1.043 | 1.013 to 1.075 |
| Daily total sunshine, hours | 0.996 | 0.992 to 1.000 |
| Total rainfall, mm | 1.001 | 0.997 to 1.004 |
| Any rainfall | 1.015 | 0.986 to 1.044 |
| Hours with humidity >90% | 1.002 | 1.000 to 1.004 |
| Monday | Reference | |
| Tuesday | 0.855 | 0.820 to 0.891 |
| Wednesday | 0.873 | 0.838 to 0.910 |
| Thursday | 0.824 | 0.790 to 0.859 |
| Friday | 0.867 | 0.832 to 0.904 |
| Winter | Reference | |
| Spring | 0.971 | 0.933 to 1.011 |
| Summer | 0.938 | 0.902 to 0.975 |
| Autumn | 0.986 | 0.949 to 1.025 |
CI = confidence interval. IRR = incidence rate ratio.