Table 2.

The cumulative lag effect of extreme temperature conditions on population death in Hulunbuir City from 2014 to 2018

Variable	Thermal effect (lag0–5) RR (95% CI)	Cold effect (lag2–14) RR (95% CI)
The whole population	1.212 (1.104 ~ 1.331)	1.289 (1.045 ~ 1.589)
Disease type
Respiratory diseases	1.214 (0.865 ~ 1.705)	0.993 (0.485 ~ 2.037)
Circulatory diseases	1.267 (1.120 ~ 1.434)	1.531 (1.168 ~ 2.007)
Gender
Male	1.187 (1.059 ~ 1.331)	1.249 (0.996 ~ 1.616)
Female	1.252 (1.085 ~ 1.445)	1.350 (0.982 ~ 1.856)
Age
0–64 years	1.209 (1.053 ~ 1.388)	1.022 (0.745 ~ 1.402)
≥ 65 years	1.215 (1.080 ~ 1.399)	1.487 (1.149 ~ 1.925)