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Table 4 Township’s soil heavy metals concentration levels during 1982–1986 in relation to female lung cancer in 2001-2005 a,b

From: Cell-type specificity of lung cancer associated with low-dose soil heavy metal contamination in Taiwan: An ecological study

  Lung AC Lung SCC
Heavy metals concentrations in soils (mg/kg) Case/person year RR 95% CI P-value Case/person year RR 95% CI P-value
As
 >7.70 1,314/ 0.92 0.85-1.00 0.04 243/ 1.06 0.87-1.28 0.57
4,959,803 4,959,803
 6.08 - 7.70 1,430/ 0.92 0.86-1.00 0.04 217/ 0.84 0.70-1.02 0.08
5,752,167 5,752,167
 3.18 - 6.08 1,494/ 0.94 0.87-1.01 0.12 209/ 0.82 0.68-1.00 0.05
6,139,517 6,139,517
3.18 1,367/ 1.00 -   222/ 1.00 -  
5,198,563 5,198,563
P for trend     0.04     0.52
Cd
 >0.15 1,443/ 1.05 0.96-1.15 0.26 222/ 0.84 0.67-1.04 0.11
5,285,544 5,285,544
 0.08 - 0.15 1,829/ 1.05 0.97-1.14 0.23 295/ 0.93 0.77-1.13 0.45
7,645,830 7,645,830
 0.03 - 0.08 1,332/ 1.03 0.95-1.12 0.47 188/ 0.75 0.62-0.92 0.01
5,303,029 5,303,029
0.03 1,001/ 1.00 -   186/ 1.00 -  
3,815,647 3,815,647
P for trend     0.23     0.40
Cr
 >1.23 1,596/ 0.97 0.89-1.06 0.50 252/ 1.22 0.99-1.52 0.07
6,126,512 6,126,512
 0.27 - 1.23 1,335/ 0.92 0.85-0.99 0.03 253/ 1.38 1.14-1.68 <0.01
5,749,780 5,749,780
 0.01 - 0.27 1,141/ 0.92 0.85-1.00 0.04 187/ 1.19 0.97-1.47 0.09
4,440,563 4,440,563
0.01 1,533/ 1.00 -   199/ 1.00 -  
5,733,195
5,733,195
P for trend     0.40     0.02
Cu
 >9.67 2,145/ 1.19 1.09-1.31 <0.01 331/ 1.24 0.98-1.57 0.07
8,174,628 8,174,628
 5.98 - 9.67 1,289/ 1.06 0.97-1.16 0.17 202/ 1.10 0.88-1.37 0.41
5,340,797 5,340,797
 3.76 - 5.98 1,181/ 1.09 1.00-1.19 0.06 199/ 1.16 0.94-1.44 0.17
4,511,228 4,511,228
3.76 990/ 1.00 -   159/ 1.00 -  
4,023,397 4,023,397
P for trend     <0.01     0.12
Hg
 >0.23 1,696/ 0.91 0.83-0.99 0.02 264/ 1.00 0.80-1.24 0.98
7,154,506 7,154,506
 0.15 - 0.23 1,548/ 0.92 0.85-1.00 0.04 252/ 1.03 0.84-1.27 0.78
6,049,340     6,049,340    
 0.09 - 0.15 1,316/ 0.93 0.86-1.01 0.09 224/ 1.08 0.88-1.33 0.45
5,151,875 5,151,875
0.09 1,045/ 1.00 -   151/ 1.00 -  
3,694,329 3,694,329
P for trend     0.03     0.80
Ni
 >3.31 1,532/ 1.09 1.00-1.19 0.04 262/ 1.29 1.04-1.60 0.02
5,888,186 5,888,186
 2.10 - 3.31 1,401/ 1.05 0.97-1.14 0.21 219/ 1.07 0.88-1.31 0.48
5,546,267 5,546,267
 1.23 - 2.10 1,523/ 1.07 0.99-1.15 0.11 230/ 1.01 0.83-1.23 0.90
5,764,114 5,764,114
1.23 1,149/ 1.00 -   180/ 1.00 -  
4,851,483 4,851,483
P for trend     0.07     0.02
Pb
 >11.04 2,003/ 0.99 0.92-1.07 0.80 296/ 1.05 0.86-1.29 0.61
7,927,859 7,927,859
 8.08 - 11.04 1,294/ 0.94 0.87-1.02 0.15 234/ 1.21 0.98-1.49 0.07
5,333,266 5,333,266
 6.25 - 8.08 1,155/ 0.93 0.85-1.01 0.07 195/ 1.09 0.88-1.35 0.42
4,578,886 4,578,886
6.25 1,153/ 1.00 -   166/ 1.00 -  
4,210,039 4,210,039
P for trend     0.84     0.58
Zn
 >14.02 2,193/ 1.11 1.01-1.22 0.02 347/ 1.29 1.03-1.62 0.03
8,807,482 8,807,482
 10.15 - 14.02 1,538/ 1.09 0.99-1.19 0.07 243/ 1.09 0.87-1.37 0.45
6,137,430 6,137,430
 7.36 - 10.15 1,098/ 1.05 0.96-1.15 0.28 178/ 1.09 0.86-1.37 0.48
4,196,903 4,196,903
7.36 776/ 1.00 -   123/ 1.00 -  
2,908,236 2,908,236
P for trend     0.02     0.02
  1. a AS, arsenic; Cd, cadmium; Cr, chromium; Cu, copper; Hg, mercury; Ni, nickel; Pb, lead; Zn, zinc.
  2. bAdjusted for age, each metals concentration in soil (e.g., As, Cd, Cr, Cu, Pb, Mg, Ni, and Zn).