N | Sex | p-value | ||||
---|---|---|---|---|---|---|
Men (n = 1994) | Women (n = 1978) | |||||
Range of mercury (μg/L) | 3972 | 0.90-56.97 | 0.88-33.93 | - | ||
Mean mercury (μg/L) | 3972 | 6.32 | ± 0.12 | 4.25 | ± 0.07 | <0.001 |
Age (years, %) | 0.9 | |||||
20-29 | 775 | 396 | (20) | 379 | (19) | |
30-39 | 795 | 404 | (20) | 391 | (20) | |
40-49 | 800 | 400 | (20) | 400 | (20) | |
50-59 | 790 | 391 | (20) | 399 | (20) | |
≥60 | 812 | 403 | (20) | 409 | (21) | |
Overweight/obesity (BMI ≥ 23, %) | 1242 | 691 | (35) | 551 | (28) | <0.001 |
Smoking status (%) | <0.001 | |||||
Never | 2126 | 395 | (20) | 1731 | (87) | |
Former | 807 | 695 | (35) | 112 | (6) | |
Current | 1033 | 899 | (45) | 134 | (7) | |
Alcohol intake (n/week) | 3964 | 1.33 | ± 0.03 | 0.53 | ± 0.02 | <0.001 |
MET-h/week | <0.001 | |||||
<20 | 1693 | 747 | (38) | 946 | (48) | |
20-39 | 763 | 389 | (20) | 374 | (19) | |
≥40 | 1493 | 846 | (42) | 647 | (33) | |
Eating-out (n/week) | 3450 | 5.26 | ± 0.13 | 2.90 | ± 0.10 | <0.001 |
Income level (%) | 0.1 | |||||
Low | 1004 | 498 | (26) | 506 | (26) | |
Mid low | 968 | 481 | (25) | 487 | (25) | |
Mid high | 965 | 461 | (24) | 504 | (26) | |
High | 964 | 512 | (26) | 452 | (23) | |
Education (%) | <0.001 | |||||
Middle school or less | 1340 | 556 | (28) | 784 | (40) | |
High school | 1490 | 782 | (40) | 708 | (36) | |
College or more | 1125 | 642 | (32) | 483 | (24) | |
Residence area (%) | 0.9 | |||||
Midwest | 475 | 234 | (12) | 241 | (12) | |
North | 1873 | 944 | (47) | 929 | (47) | |
Southwest | 504 | 248 | (13) | 256 | (13) | |
Mideast | 422 | 207 | (10) | 215 | (11) | |
Southeast and an island | 698 | 361 | (18) | 337 | (17) |