5.

累积氡暴露量和吸烟对肺癌危险的交互作用分析

Interaction of cumulative radon and smoking on lung cancer risk

Smoking	Cumulative radon (WLM)	Parameter β	HR (95%CI)*
*Adjusted for age, gender, education, smoking, cumulative radon exposure, cumulative arsenic exposure and previous lung disease; **=e (0.84+0.37+0.09).
≤25 pack-years	≤118.44	-	Reference
	> 118.44	0.84	2.32 (1.27-4.21)
> 25 pack-years	≤118.44	0.37	1.45 (0.79-2.68)
	> 118.44		3.69**
Multiplicative		0.09	1.10 (0.57-2.12)
Additive interaction	RERI		0.92 (0.11-1.73)
	AP		0.25 (-0.05-0.55)
	SI		1.52 (0.85-2.70)