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Table. 2.

Table. 2.

Distribution of blood heavy metal levels on obesity and abdominal obesity (N=1,844)

Variable 1st tertile 2nd tertile 3rd tertile P-value
Mercury (μg/L) 1.82±0.02 3.48±0.03 7.60±0.18 -
Lead (μg/L) 1.22±0.01 1.97±0.01 3.21±0.04 -
Cadmium (μg/L) 0.46±0.01 0.96±0.01 1.79±0.04 -
ALT (μg/L) 10.7±0.10 16.8±0.09 36.4±1.74 -
Mercury μg/L (%)
1st tertile 2nd tertile 3rd tertile
Obesity*
No (N=1,238) 1.81±0.02 (73.1) 3.42±0.03 (66.7) 7.13±0.16 (59.8) <0.001a
Yes (N=606) 1.83±0.04 (26.9) 3.60±0.04 (33.3) 8.30±0.36 (40.2)
Abdominal obesity**
No (N=1,433) 1.82±0.02 (82.7) 3.45±0.03 (76.4) 7.41±0.18 (72.7) <0.001a
Yes (N=411) 1.78±0.05 (17.3) 3.58±0.06 (23.6) 8.08±0.41 (27.3)
Lead μg/L (%)
1st tertile 2nd tertile 3rd tertile
Obesity*
No (N=1,238) 1.20±0.02 (71.2) 1.97±0.01 (66.4) 3.20±0.06 (63.9) 0.04a
Yes (N=606) 1.27±0.02 (28.8) 1.98±0.02 (33.6) 3.23±0.07 (36.1)
Abdominal obesity**
No (N=1,433) 1.20±0.01 (80.0) 1.96±0.01 (77.9) 3.22±0.05 (75.1) 0.08a
Yes (N=411) 1.29±0.02 (20.0) 2.02±0.02 (22.1) 3.18±0.06 (24.9)
Cadmium μg/L (%)
1st tertile 2nd tertile 3rd tertile
Obesity*
No (N=1,238) 0.46±0.01 (68.2) 0.96±0.01 (68.9) 1.81±0.05 (63.2) 0.30a
Yes (N=606) 0.46±0.02 (31.8) 0.97±0.01 (31.1) 1.77±0.04 (36.8)
Abdominal obesity**
No (N=1,433) 0.46±0.01 (80.0) 0.95±0.01 (79.3) 1.79±0.05 (72.4) 0.14a
Yes (N=411) 0.46±0.02 (20.0) 0.97±0.01 (20.7) 1.81±0.05 (27.6)
ALT IU/L (%)
1st tertile 2nd tertile 3rd tertile
Obesity*
No (N=1,238) 10.7±0.11 (86.4) 16.6±0.10 (72.5) 35.5±3.28 (47.2) <0.001a
Yes (N=606) 11.3±0.21 (13.6) 17.2±0.18 (27.5) 37.3±1.19 (52.8)
Abdominal obesity**
No (N=1,433) 10.7±0.10 (92.7) 16.7±0.10 (81.9) 35.4±2.50 (62.1) <0.001a
Yes (N=411) 11.1±0.35 (7.3) 17.3±0.24 (18.1) 38.1±1.54 (37.9)

Values are presented as weighted mean±weighted standard error.

aCalculated by complex samples chi-square test.

*defined as body mass index ≥25 kg/m2.

**defined as waist circumference ≥90 cm for Korean men and ≥85 cm for Korean women.

Korean J Clin Lab Sci 2022;54:192-200 https://doi.org/10.15324/kjcls.2022.54.3.192
© 2022 Korean J Clin Lab Sci