表 2. Sensitivity analysis results (n = 9603).

敏感性分析结果表（n=9603）

Exposure	Average pollutant concentration in the past 2 years				Average pollutant concentration in the past 3 years
	IQR/(µg/m3)	HR (95% CI)	P		IQR/(µg/m3)	HR (95% CI)	P
The abbreviations are explained in the note to Table 1. All models are adjusted for all covariates including sex, age, marital status, educational attainment, income group, medical insurance, employment status, residence, smoking and drinking behaviors, temperature, and relative humidity.
PM2.5	34.545	1.095 (1.006-1.191)	0.035		34.938	1.105 (1.016-1.202)	0.019
BC	1.352	1.126 (1.033-1.229)	0.007		1.369	1.134 (1.041-1.235)	0.004
OM	6.997	1.132 (1.045-1.225)	0.002		7.058	1.137 (1.051-1.230)	0.001
SO42-	6.201	1.079 (0.988-1.180)	0.092		6.252	1.081 (0.991-1.179)	0.050
NO3-	8.635	1.070 (0.988-1.159)	0.095		8.815	1.082 (0.998-1.173)	0.055
NH4+	5.437	1.089 (1.002-1.183)	0.045		5.316	1.097 (1.013-1.188)	0.023