Table 3 Association between blood trace elements and the risk of low BMD/osteoporosis

Male

Fe

Q1

1

1

Q2

0.981 (0.612,1.571)

1.359 (0.4,4.611)

Q3

1.002 (0.569,1.764)

0.762 (0.222,2.612)

Q4

0.765 (0.469,1.249)

0.887 (0.292,2.697)

Zn

Q1

1

1

Q2

0.81 (0.518,1.267)

0.361 (0.139,0.938)

Q3

0.949 (0.613,1.468)

0.759 (0.289,1.996)

Q4

0.911 (0.592,1.403)

0.674 (0.318,1.429)

Cu

Q1

1

1

Q2

1.255 (0.827,1.904)

1.158 (0.557,2.405)

Q3

0.939 (0.606,1.452)

0.54 (0.181,1.605)

Q4

1.225 (0.621,2.416)

0.823 (0.126,5.375)

Se

Q1

1

1

Q2

1.019 (0.584,1.778)

0.403 (0.138,1.177)

Q3

0.92 (0.588,1.44)

0.689 (0.245,1.938)

Q4

1.403 (0.844,2.333)

0.744 (0.277,1.996)

Mn

Q1

1

1

Q2

0.74 (0.508,1.079)

1.586 (0.523,4.811)

Q3

0.614 (0.379,0.995)

0.816 (0.323,2.057)

Q4

0.946 (0.617,1.451)

0.931 (0.316,2.739)

Cd

Q1

1

1

Q2

0.988 (0.677,1.442)

1.652 (0.657,4.151)

Q3

0.995 (0.628,1.578)

0.841 (0.279,2.53)

Q4

0.914 (0.547,1.525)

0.969 (0.325,2.885)

Pb

Q1

1

1

Q2

1.028 (0.675,1.565)

1.286 (0.349,4.738)

Q3

0.783 (0.486,1.26)

0.687 (0.176,2.685)

Q4

0.865 (0.551,1.357)

1.402 (0.493,3.988)

Hg

Q1

1

1

Q2

0.779 (0.517,1.176)

1.227 (0.461,3.265)

Q3

0.941 (0.602,1.471)

1.087 (0.354,3.34)

Q4

0.765 (0.478,1.225)

0.617 (0.194,1.96)

Female

Fe

Q1

1

1

Q2

0.961 (0.585,1.578)

2.042 (0.765,5.453)

Q3

0.767 (0.472,1.245)

2.648 (0.981,7.153)

Q4

1.224 (0.674,2.222)

1.558 (0.429,5.661)

Zn

Q1

1

1

Q2

1.415 (0.864,2.318)

1.491 (0.511,4.349)

Q3

1.252 (0.777,2.015)

1.901 (0.62,5.829)

Q4

0.972 (0.552,1.713)

1.534 (0.361,6.521)

Cu

Q1

1

1

Q2

0.797 (0.459,1.384)

0.615 (0.093,4.072)

Q3

0.62 (0.305,1.257)

0.501 (0.099,2.522)

Q4

0.608 (0.307,1.206)

0.515 (0.096,2.756)

Se

Q1

1

1

Q2

1.21 (0.727,2.015)

2.307 (0.779,6.833)

Q3

1.041 (0.639,1.696)

1.709 (0.491,5.948)

Q4

0.768 (0.425,1.387)

1.69 (0.588,4.856)

Mn

Q1

1

1

Q2

1.266 (0.607,2.639)

0.931 (0.163,5.301)

Q3

1.103 (0.603,2.019)

1.116 (0.281,4.427)

Q4

1.388 (0.792,2.433)

1.423 (0.354,5.722)

Cd

Q1

1

1

Q2

1.056 (0.616,1.812)

0.511 (0.121,2.152)

Q3

1.195 (0.676,2.114)

0.374 (0.088,1.577)

Q4

1.773 (0.938,3.353)

0.67 (0.126,3.548)

Pb

Q1

1

1

Q2

1.409 (0.822,2.414)

3.305 (0.664,16.444)

Q3

1.461 (0.914,2.337)

3.267 (0.748,14.27)

Q4

2.06 (1.043,4.069)

4.629 (1.026,20.881)

Hg

Q1

1

1

Q2

0.758 (0.419,1.372)

1.988 (0.386,10.236)

Q3

0.663 (0.396,1.11)

1.378 (0.251,7.572)

Q4

0.87 (0.515,1.47)

1.912 (0.284,12.87)