Table 3.
Multivariable analysis of weather and temporal variables against HUC home visits (cold versus not cold)
| Variables | IRR | 95% CI |
|---|---|---|
| Cold | 1.025 | 0.990 to 1.061 |
| Daily total sunshine, hours | 0.998 | 0.994 to 1.002 |
| Daily total rainfall, mm | 1.001 | 0.998 to 1.005 |
| Hours with humidity ≥90% | 1.000 | 0.998 to 1.002 |
| Monday | Reference | |
| Tuesday | 0.856 | 0.822 to 0.892 |
| Wednesday | 0.873 | 0.837 to 0.909 |
| Thursday | 0.824 | 0.791 to 0.859 |
| Friday | 0.867 | 0.832 to 0.904 |
| Winter | Reference | |
| Spring | 0.991 | 0.950 to 1.034 |
| Summer | 0.958 | 0.915 to 1.003 |
| Autumn | 0.998 | 0.958 to 1.039 |
CI = confidence interval. HUC = Herts Urgent Care. IRR = incidence rate ratio.