| Mean of cold months’ temperature (°C), % (95% CI) | Variance of cold months’ temperature (°C), % (95% CI) | Central heating (%), % (95% CI) | Population density (population/km2), % (95% CI) | |
| Change in total mortality at the: | ||||
| 25th percentile | 1.31 (0.04 to 2.60) | 1.88 (0.75 to 3.03) | 1.79 (0.28 to 3.32) | 1.87 (0.50 to 3.26) |
| 75th percentile | 1.81 (0.62 to 3.02) | 1.13 (−0.14 to 2.41) | 1.22 (−0.11 to 2.57) | 1.70 (0.60 to 2.82) |
| Change in MI mortality at the: | ||||
| 25th percentile | 3.10 (−1.36 to 7.77) | 4.65 (0.27 to 9.22) | 4.38 (−1.61 to 10.7) | 4.66 (−0.43 to 10.0) |
| 75th percentile | 4.71 (0.17 to 9.46) | 3.13 (−1.42 to 7.89) | 3.92 (−1.05 to 9.14 | 4.26 (0.17 to 8.51) |
| Change in CA mortality at the: | ||||
| 25th percentile | 11.9 (−1.65 to 27.4) | 18.00 (4.71 to 32.9) | 18.0 (2.28 to 36.2) | 17.8 (3.96 to 33.5) |
| 75th percentile | 19.0 (6.29 to 33.3) | 14.00 (0.19 to 29.7) | 14.2 (0.90 to 29.2) | 16.7 (5.29 to 29.3) |
MI, myocardial infarction; CA, cardiac arrest.