Table 2

 Percentage change (and 95% confidence intervals) in mortality associated with a 1°C fall in the daytime mean temperature (dry bulb) or daytime mean wind chill temperature by cause of death

Daytime mean dry bulb temperatureDaytime mean wind chill temperature
Cause of deathLag*Estimate† (95% CI)LR test‡Estimate† (95% CI)LR test‡
*All six lag periods included in model simultaneously.
†To enable a direct comparison of the lag 0 estimates with the 6 day lag estimates, the estimates refer to a 1°C decrease in the daytime mean temperature on any one day within each lag period.
‡LR test compared model that included all temperature lag periods versus model that excluded all temperature lag periods.
All cause, all ages0−0.20 (−0.33 to −0.08)χ2 = 284.6, p = <0.001−0.20 (−0.31 to −0.09)χ2 = 234.9, p = <0.001
1–60.18 (0.15 to 0.21)0.16 (0.13 to 0.18)
7–120.12 (0.09 to 0.14)0.08 (0.05 to 0.10)
13–180.08 (0.05 to 0.11)0.05 (0.03 to 0.08)
19–240.06 (0.03 to 0.09)0.04 (0.02 to 0.07)
25–300.01 (−0.01 to 0.04)−0.00 (−0.03 to 0.02)
Cardiorespiratory, all ages0−0.18 (−0.34 to −0.01)χ2 = 240.6, p = <0.001−0.12 (−0.27 to 0.03)χ2 = 196.8, p = <0.001
1–60.22 (0.18 to 0.26)0.18 (0.14 to 0.22)
7–120.14 (0.10 to 0.18)0.10 (0.07 to 0.14)
13–180.12 (0.08 to 0.16)0.08 (0.05 to 0.12)
19–240.07 (0.03 to 0.11)0.06 (0.02 to 0.09)
25–300.01 (−0.03 to 0.05)0.01 (−0.05 to 0.02)