Table 3.

Mortality fraction (%) attributable to extreme and mild cold and mild and extreme heat by specific causes and individual characteristics

	Extreme cold (%)	Mild cold (%)	Mild heat (%)	Extreme heat (%)
Total non-accidental	1.17 (0.58 to 1.69)	3.06 (−0.08 to 5.94)	0.57 (−2.36 to 3.28)	0.12 (−0.26 to 0.45)
Cause-specific
Cardiovascular	1.57 (0.81 to 2.36)	4.88 (0.55 to 8.60)	−0.24 (−4.55 to 3.40)	0.03 (−0.50 to 0.51)
Heart	1.49 (0.23 to 2.58)	5.25 (−1.37 to 10.84)	−1.17 (−7.78 to 4.53)	−0.08 (−0.87 to 0.64)
Stroke	1.63 (0.60 to 2.65)	4.65 (−1.05 to 9.49)	0.38 (−5.22 to 5.28)	0.13 (−0.59 to 0.78)
Respiratory	1.35 (−0.15 to 2.72)	2.28 (−5.64 to 9.11)	1.70 (−4.01 to 6.68)	0.26 (−0.48 to 0.91)
Age, years
≤64	0.44 (−0.63 to 1.43)	1.34 (−4.52 to 6.30)	0.06 (−5.58 to 5.56)	0.02 (−0.70 to 0.72)
65–74	0.68 (−0.37 to 1.72)	2.91 (−3.72 to 8.51)	−1.14 (−7.03 to 4.22)	−0.12 (−0.83 to 0.61)
≥75	1.71 (0.91 to 2.48)	3.89 (−0.36 to 7.66)	1.32 (−2.38 to 4.64)	0.24 (−0.22 to 0.68)
Gender
Male	1.02 (0.28 to 1.74)	2.76 (−1.08 to 6.27)	0.41 (−3.25 to 3.87)	0.09 (−0.40 to 0.53)
Female	1.36 (0.55 to 2.15)	3.48 (−0.77 to 7.36)	0.76 (−3.26 to 4.20)	0.15 (−0.37 to 0.62)
Occupation
Farmer	1.42 (0.82 to 2.04)	3.71 (0.38 to 6.70)	0.61 (−2.47 to 3.39)	0.13 (−0.27 to 0.52)
Non-farmer	0.39 (−0.73 to 1.41)	0.84 (−5.98 to 6.43)	0.45 (−6.15 to 5.95)	0.07 (−0.65 to 0.74)
Ethnic
Han nationality	1.22 (0.54 to 1.91)	1.69 (−2.20 to 5.31)	2.30 (− 0.73 to 5.42)	0.34 (− 0.06 to 0.76)
Ethnic minorities	1.03 (0.07 to 1.93)	5.71 (0.91 to 9.74)	−3.84 (−9.8 to 1.12)	−0.43 (−1.12 to 0.25)
Marital status
Married	0.98 (0.26 to 1.66)	1.86 (−2.06 to 5.17)	1.32 (−2.17 to 4.62)	0.21 (−0.24 to 0.61)
Non-married	1.47 (0.59 to 2.25)	4.88 (0.19 to 9.18)	−0.60 (−5.16 to 3.37)	−0.02 (−0.58 to 0.50)

Results are expressed as attributable fractions (95% empirical CIs), and the bold values indicate statistical significance.