Table 6 Participants’ characteristics, by number of conditions (smoking, metabolic syndrome, overweight/obesity).

From: Investigation of the impact of exposure to trace elements on health and disease from the ToxiLaus study

Characteristic

Number of conditions

p-value

0, (N = 18711)

1, (N = 22631)

2, (N = 14421)

3, (N = 2901)

Age (Years)

50.0

(36.8, 70.9)

50.8

(36.8, 72.1)

57.3

(38.7, 72.6)

56.6

(37.9, 72.8)

< 0.00012

Sex

     

     Women

1,217 (65%)

1,194 (53%)

579 (40%)

101 (35%)

 

     Men

654 (35%)

1,069 (47%)

863 (60%)

189 (65%)

 

Smoking

     

     No

1,871 (100%)

1,458 (64%)

948 (66%)

0 (0%)

 

     Yes

0 (0%)

805 (36%)

494 (34%)

290 (100%)

 

Metabolic syndrome

     

     No

1,871 (100%)

2,180 (96%)

442 (31%)

0 (0%)

 

     Yes

0 (0%)

83 (4%)

1,000 (69%)

290 (100%)

 

BMI, (kg/m2)

22.5

(19.0, 24.8)

25.7

(19.7, 32.1)

28.7

(25.1, 37.7)

29.5

(26.0, 38.0)

< 0.00012

BMI categories

     

     Normal

1,871 (100%)

888 (36%)

52 (0%)

0 (0%)

 

     Overweight

0 (0%)

1,131 (54%)

843 (62%)

161 (56%)

 

     Obese

0 (0%)

244 (11%)

547 (38%)

129 (44%)

 

Creatinine, (µg/L)

1.33

(0.38, 2.67)

1.45

(0.44, 2.94)

1.44

(0.52, 2.85)

1.43

(0.42, 3.21)

< 0.00012

TE concentrations

     

     Li, (µg/g)

22.9

(7.70, 128)

24.0

(8.57, 157)

22.8

(8.21, 138)

24.7

(6.47, 123)

0.00772

     Be, (ng/g)

1.15

(0.7, 4.8)

1.19

(0.8, 5.1)

1.14

(0.8, 5.5)

1.11

(0.8, 6.0)

0.00062

      Al, (µg/g)

5.58

(1.08, 22.8)

6.17

(1.18, 23.9)

5.71

(1.19, 24.7)

6.61

(1.27, 35.6)

0.00152

     V, (µg/g)

0.15

(0.05, 0.47)

0.18

(0.07, 0.63)

0.18

(0.07, 0.57)

0.18

(0.06, 0.78)

< 0.00012

     Cr, (µg/g)

0.25

(0.07, 0.99)

0.27

(0.08, 1.11)

0.28

(0.09, 1.07)

0.29

(0.09, 1.26)

0.00032

     Mn, (µg/g)

0.30

(0.25, 0.86)

0.30

(0.25, 0.85)

0.30

(0.24, 0.90)

0.29

(0.24, 0.82)

0.0022

     Fe, (µg/g)

6.32

(1.34, 22.7)

6.38

(1.53, 30.5)

6.38

(1.76, 28.6)

6.38

(2.08, 36.0)

< 0.00012

     Co, (µg/g)

0.22

(0.07, 1.42)

0.23

(0.07, 1.36)

0.22

(0.08, 1.11)

0.23

(0.08, 1.24)

0.12282

     Ni, (µg/g)

1.37

(0.39, 4.67)

1.34

(0.38, 4.94)

1.27

(0.39, 5.35)

1.28

(0.38, 5.46)

0.23782

     Cu, (µg/g)

11.9

(4.00, 27.3)

13.0

(4.55, 29.0)

13.4

(5.19, 32.6)

14.1

(4.24, 38.9)

< 0.00012

     Zn, (µg/g)

328

(64.6, 983)

416

(95.9, 1295)

486

(112, 1512)

585

(108, 1827)

< 0.00012

     As, (µg/g)

21.6

(3.35, 202)

21.7

(4.21, 230)

19.7

(3.80, 188)

17.0

(3.43, 193)

0.00382

     Se, (µg/g)

27.9

(7.72, 65.0)

29.9

(9.03, 69.5)

29.4

(10.1, 66.2)

28.2

(7.99, 72.9)

< 0.00012

     Mo, (µg/g)

40.5

(9.78, 109)

40.2

(10.2, 115)

38.3

(9.09, 107)

36.2

(6.37, 122)

0. 13512

     Ag, (µg/g)

0.03

(0.02, 0.08)

0.03

(0.02, 0.09)

0.03

(0.02, 0.10)

0.03

(0.02, 0.08)

0.05452

     Cd, (µg/g)

0.48

(0.13, 1.57)

0.61

(0.16, 2.34)

0.64

(0.17, 2.49)

0.88

(0.19, 2.95)

< 0.00012

     Sn, (µg/g)

0.73

(0.16, 3.51)

0.76

(0.17, 3.99)

0.71

(0.19, 4.12)

0.67

(0.12, 3.81)

0.4072

     Sb, (µg/g)

0.05

(0.02, 0.21)

0.06

(0.02, 0.31)

0.07

(0.02, 0.32)

0.08

(0.02, 0.47)

< 0.00012

     I, (µg/g)

126

(39.3, 281)

133

(48.5, 286)

135

(50.3, 299)

125

(46.4, 398)

< 0.00012

     Hg, (µg/g)

1.51

(0.29, 6.05)

1.36

(0.26, 5.22)

1.13

(0.22, 5.17)

0.96

(0.20, 4.07)

< 0.00012

     Tl, (µg/g)

0.24

(0.08, 0.56)

0.25

(0.08, 0.59)

0.24

(0.09, 0.57)

0.24

(0.07, 0.54)

0.00432

     Pb, (µg/g)

1.55

(0.40, 5.08)

1.95

(0.48, 6.56)

1.90

(0.50, 5.97)

2.11

(0.47, 7.21)

< 0.00012

     Bi, (ng/g)

6 (5, 26)

6 (5, 53)

6 (5, 38)

6 (5, 23)

0.00542

  1.  P values < 0.05 are indicated in bold, highlighting a statistical difference between groups
  2. 1Median (P5, P95); n/ N (%)
  3. 2 Kruskal-Wallis rank sum test
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