TABLE 2
Comparison of Estimated Annual Cancer Deaths Expected From Various Airborne Carcinogens
Indoor Pollutant Cancer Deaths
ETS 3,000 ­ 6,000
Radon (Nonsmokers only) 3,000
Asbestos* 4,280
Outdoor Pollutant
Asbestos 15
Vinyl Chloride <27
Benzene <8
Arsenic <5
Coke Oven Emissions <15
Airborne Radionuclides <17
* Expected deaths over next 130 years.
Source: Repace et al., 1985 and U.S. Environmental Protection Agency, 1993.

 

TABLE 3
Effect of Quitting Smoking on Lung Cancer Risk Among Male and Female Former Smokers, by Length of Time Off Cigarettes and Number of Cigarettes Smoked Daily
MALES

1­20
Cig/day

>21
Cig/day

Current Smokers

18.8

26.9

Former Smokers (year since stopped)  
<1

26.7

50.7

1-2

22.4

33.2

3-5

16.5

20.9

6-10

8.7

15.0

11-15

6.0

12.6

>16

3.1

5.5

FEMALES

1­19
Cig/day

>20
Cig/day

Current Smokers

7.3

16.3

Former Smokers(year since stopped)  
<1

7.9

34.3

1-2

9.1

19.5

3-5

2.9

14.6

6-10

1.0

9.1

11-15

1.5

5.9

>16

1.4

2.6

Source: Based on data in Shopland et al., 1991.

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