Table 3 Unadjusted geometric means of the arsenic species concentration in residents living near abandoned metal mines

119

116.11(102.03–132.13)

2.08(1.41–3.08)

0.30(0.20–0.47)

0.37(0.24–0.56)

131.98(116.72–149.23)

Gender

Male

54

100.55(83.55–121.02)

2.37(1.32–4.25)

0.36(0.19–0.69)

0.45(0.24–0.84)

118.42(100.40–139.68)

Female

65

130.85(109.42-156.47)

1.87(1.09–3.20)

0.27(0.15–0.47)

0.31(0.18–0.55)

144.42(120.72–172.76)

p-value

0.044

0.550

0.486

0.396

0.112

Age(yr)

41-59

13

95.17(61.56–147.12)

3.23(0.74–14.03)

0.54(0.11–2.73)

0.89(0.21–3.78)

116.28(76.34–177.12)

60-69

37

102.00(80.18–129.78)

2.19(1.01–4.75)

0.46(0.19–1.08)

0.54(0.24–1.20)

121.18(98.10–149.67)

≥70

69

129.21(109.33–152.70)

1.86(1.14–3.04)

0.22(0.13–0.37)

0.25(0.15–0.43)

141.50(119.71–167.26)

p-value

0.150

0.694

0.202

0.088

0.415

Period of residence

≤40

35

104.43(83.68–130.32)

0.93(0.41–2.11)

0.26(0.12–0.56)

0.34(0.16–0.70)

117.03(94.82–144.43)

41-60

37

139.65(111.45–174.99)

2.39(1.16–4.95)

0.25(0.11–0.56)

0.46(0.19–1.11)

156.52(123.50–198.37)

≥61

46

107.73(85.53–135.70)

3.40(1.97–5.87)

0.41(0.20–0.85)

0.34(0.18–0.64)

125.50(102.29–153.98)

p-value

0.154

0.025

0.581

0.781

0.159

Smoking

Current-smoker

14

79.08(44.38–140.91)

1.68(0.52–5.41)

0.20(0.06–0.65)

0.33(0.11–1.04)

97.16(64.31–146.79)

Ex-smoker

22

118.72(94.31–149.46)

2.08(0.79–5.47)

0.33(0.11–0.99)

0.32(0.11–0.89)

133.37(103.50–171.87)

Non-smoker

83

123.15(105.98–143.10)

2.16(1.34–3.48)

0.32(0.19–0.54)

0.39(0.23–0.65)

138.59(119.22–161.12)

p-value

0.096

0.923

0.787

0.928

0.192

Alcohol

Drinking

64

102.89(85.73-123.48)

2.37(1.38-4.07)

0.34(0.19-0.60)

0.50(0.28-0.91)

121.14(103.12-142.31)

Non-drinking

55

133.65(111.54-160.14)

1.79(1.00-3.20)

0.27(0.14-0.52)

0.26(0.14-0.45)

145.82(120.53-176.42)

p-value

0.045

0.478

0.602

0.108

0.137

Income(KRW)

Below 500,000

63

116.52(96.59–140.55)

2.07(1.21–3.53)

0.28(0.16–0.50)

0.38(0.21–0.69)

131.29(109.08–158.02)

500,000-1,000,000

20

106.50(71.20–159.29)

4.28(1.52–12.06)

0.58(0.17–2.00)

0.81(0.26–2.48)

131.59(95.09–182.10)

1,000,000-2,000,000

36

121.07(100.01–146.55)

1.40(0.68–2.90)

0.25(0.11–0.54)

0.23(0.12–0.44)

133.42(110.09–161.70)

p-value

0.813

0.180

0.389

0.137

0.993

Mine working history

Yes

17

124.94(92.57–168.63)

3.29(1.29–8.38)

0.32(0.09–1.10)

0.32(0.10–1.02)

139.92(105.61–185.38)

No

101

116.66(101.27–134.38)

1.98(1.28–3.06)

0.31(0.19–0.49)

0.38(0.24–0.60)

133.09(116.44–152.11)

p-value

0.709

0.370

0.928

0.792

0.773

Dietary water

Tap water

30

118.61(96.99–145.05)

1.72(0.72–4.10)

0.27(0.11–0.68)

0.55(0.22–1.37)

134.40(108.52–166.46)

Underground water

64

112.52(91.42–138.48)

2.56(1.44–4.56)

0.56(0.30–1.05)

0.55(0.30–1.00)

133.40(110.23–161.45)

p-value

0.713

0.438

0.203

0.996

0.962

Herbicide

Yes

73

111.02(93.53–131.78)

2.22(1.30–3.78)

0.34(0.19–0.61)

0.52(0.30–-0.93)

128.19(108.42–151.56)

No

31

119.48(89.07–160.27)

1.70(0.75–3.81)

0.46(0.19–1.13)

0.33(0.15–0.72)

137.37(105.42–179.00)

p-value

0.651

0.583

0.561

0.359

0.655