Association between Serum Copper, Selenium, Zinc, and Serum Estradiol in Women
Table 1
Weighted characteristics of the study population based on serum E2 quartiles.
Estradiol (pg/mL)
<25
25-45
45-200
200
-value
Testosterone, total (ng/dL)
17.888 ± 14.268
25.170 ± 23.385
28.624 ± 22.894
40.036 ± 33.866
<0.00001
Age
51.858 ± 22.206
30.976 ± 14.348
32.960 ± 11.975
32.225 ± 11.217
<0.00001
Race/Hispanic origin
<0.00001
Mexican American
7.811
15.690
13.530
15.400
Other Hispanic
5.620
8.378
7.384
6.486
Non-Hispanic white
70.158
52.136
57.650
53.576
Non-Hispanic black
8.459
13.925
12.619
15.050
Other Race—Including multiracial
7.952
9.871
8.817
9.489
education level—adults 20+
<0.00001
Less than 9th grade
5.777
2.950
2.773
5.456
9-11th grade
6.251
8.646
6.504
7.139
High school graduate/GED or equivalent
20.324
10.759
14.337
11.472
Some college or above
52.684
51.275
59.110
58.918
Missing
14.964
26.370
17.275
17.015
Marital status
<0.00001
Married
44.249
42.524
52.226
62.639
Widowed, divorced, or separated
30.171
9.563
9.314
8.963
Never married
10.617
21.543
21.185
11.383
Missing
14.964
26.370
17.275
17.015
Ratio of family income to poverty
0.05412
<1.99
34.835
41.834
38.084
39.034
1.99-3.49
21.071
24.194
19.852
23.933
>3.49
36.950
26.479
36.107
32.774
Missing
7.145
7.492
5.957
4.259
Body.mass.index
<0.00001
<18.5
7.822
3.465
2.837
1.920
18.5-24
22.453
20.277
31.524
35.960
24-28
21.650
22.514
22.703
17.548
>28
47.204
52.992
42.403
42.511
Missing
0.871
0.751
0.533
2.062
Mean ± SD for continuous variables: -value was calculated using a weighted linear regression model. (%) for categorical variables: the -value was calculated using a weighted chi-square test.
