Lung Cancer Risk and Past Exposure to Emissions from a Large Steel Plant
Table 2
Relative risks for lung cancer in relation to PAH exposure.
Range PAH conc. period 1972–1994 (g/m3)
Average population per year
No. of cases in 12 years
RR without smoothing 95% CI
RR after smoothing without SES 95% CI
RR after smoothing and SES correction 95% CI
Outside modelled area
n.a.
370,259
2,646
1
1
1
First quartile
0.032–0.052
72,962
533
1.07 0.97–1.17
1.02 0.85–1.23
1.05 0.91–1.20
Second quartile
0.055–0.159
63,508
380
0.91 0.82–1.01
0.91 0.73–1.12
0.93 0.80–1.10
Third quartile
0169–0.390
45,911
364
1.09 0.98–1.22
0.98 0.76–1.25
1.03 0.86–1.20
Fourth quartile
0.426–0.636
46,931
494
1.35 1.23–1.48
1.27 0.97–1.66
1.21 1.01–1.40
RR for lung cancer in relation to PAH exposure from the lowest (first) to the highest (fourth) exposure quartiles with and without smoothing and correction for SES.
