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. 2013 Apr 10;13:330. doi: 10.1186/1471-2458-13-330

Table 4.

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

 
 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

aAS, arsenic; Cd, cadmium; Cr, chromium; Cu, copper; Hg, mercury; Ni, nickel; Pb, lead; Zn, zinc.

bAdjusted for age, each metals concentration in soil (e.g., As, Cd, Cr, Cu, Pb, Mg, Ni, and Zn).