Table 35.2. Estimated relative risk (RR) of lung cancer death following smoking cessation: never and former smokers compared with current smokers

Table 35.2. Estimated relative risk (RR) of lung cancer death following smoking cessation: never and former smokers compared with current smokers.
	Relative risk
	Age 55	Age 65	Age 75
Men:
Never smokers	0.05	0.03	0.03
Quit 30-39	0.14	0.09	0.07
Quit 40-49	0.36	0.18	0.12
Quit 50-54	—	0.29	0.19
Quit 55-59	—	0.56	0.27
Quit 60-64	—	—	0.45
Current smokers	1.0	1.0	1.0
Women:
Never smokers	0.07	0.05	0.04
Quit 30-39	0.17	0.11	0.10
Quit 40-49	0.40	0.22	0.15
Quit 50-54	—	0.33	0.23
Quit 55-59	—	0.60	0.31
Quit 60-64	—	—	0.49
Current smokers	1.0	1.0	1.0
Source: From Halpern et al.,⁷ with permission.