Table 1.

Lifetime RRs at different radon exposures, the distribution of ARs for Canadian men from indoor radon exposure and estimated lung-cancer deaths attributable to radon for the year 2011.

Radon range	Proportion of homes	Relative risk, RR(C)		Contribution to AR		Lung-cancer deaths in 2011 attributable to radon
Bq m–3	(%)	Ever-smoker	Never-smoker	Ever-smoker	Never-smoker	Ever-smoker	Never-smoker
0–18	21.12	1.0414	1.0937	0.0074	0.0138	79	8
19–37	24.55	1.0847	1.1924	0.0175	0.0330	188	19
38–56	15.88	1.1277	1.2911	0.0171	0.0322	184	18
57–74	9.85	1.1682	1.3844	0.0140	0.0264	150	15
75–92	6.76	1.2084	1.4777	0.0119	0.0225	128	13
93–111	5.01	1.2505	1.5760	0.0106	0.0201	114	11
112–130	3.60	1.2924	1.6742	0.0089	0.0169	95	9
131–148	2.53	1.3317	1.7672	0.0071	0.0135	76	8
149–166	1.93	1.3708	1.8600	0.0060	0.0116	65	6
167–185	1.57	1.4118	1.9580	0.0055	0.0105	59	6
186–200	0.99	1.4439	2.0352	0.0037	0.0072	40	4
201–250	2.26	1.5498	2.2921	0.0105	0.0204	112	11
251–300	1.30	1.6536	2.5482	0.0072	0.0141	77	8
301–400	1.32	1.8555	3.0583	0.0095	0.0190	102	11
401–500	0.59	2.0500	3.5655	0.0052	0.0106	56	6
501–600	0.30	2.2373	4.0696	0.0031	0.0064	33	4
601–800	0.26	2.5916	5.0692	0.0035	0.0074	37	4
>800	0.25	2.9206	6.0573	0.0041	0.0089	44	5
Total	100.00	—	—	0.1527	0.2945	1639	166

The same radon ranges are used here as in the previous assessment⁽²⁾.

A radon concentration range of 0–18 in Bq m^–3 corresponds to 0–0.5 in pCi l^–1.