3.

氡暴露云锡矿工肺癌危险与初始氡暴露年龄和氡暴露率的相关分析

Relationship between lung cancer risk and age at first radon exposure, rate of radon exposure among radon-exposed miners

Model	Characteristics	HR (95%CI)*
*Adjusted for age, gender, education, smoking, cumulative radon exposure, cumulative arsenic exposure and previous lung disease.
Model 1	Age at first radon exposure
	Q1 (≤15)	1.00
	Q2 (16-19)	1.10 (0.85-1.42)
	Q3 (20-23)	1.23 (0.90-1.68)
	Q4 (≥24)	0.93 (0.66-1.32)
	Exposure rate (WLM/a)
	Q1 (0-4.60)	1.00
	Q2 (4.60-6.66)	1.55 (1.05-2.27)
	Q3 (6.66-13.49)	1.18 (0.81-1.71)
	Q4 (> 13.49)	0.97 (0.64-1.45)
Model 2	Age at first radon exposure	0.99 (0.98-1.02)
	Exposure rate (WLM/a)	0.98 (0.96-0.99)