Skip to main content
. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: J Gastrointest Surg. 2013 May 1;17(7):1265–1273. doi: 10.1007/s11605-013-2210-9

Table 1.

Baseline characteristics of study participants by sex and creatinine-corrected urinary cadmium (uCd). The cutoffs for uCd separate the top quartile, and the bottom three quartiles of creatinine-adjusted urinary cadmium

Men
Women
Characteristics <0.65 μg/g
(n=4478)
≥0.65 μg/g
(n=1510)
P value <0.83 μg/g
(n=5046)
≥0.83 μg/g
(n=1698)
P value
Mean (SE) age (years) 38.6 (0.4) 53.0 (0.4) <0.001 39.1 (0.3) 53.2 (0.5) <0.001
Race or ethnicity (%)
 Non-Hispanic White 76.1 (1.5) 79.0 (2.0) <0.001 75.1 (1.5) 77.0(1.6) <0.001
 Non-Hispanic Black 9.6 (0.6) 9.5 (0.8) 12.2 (0.8) 9.2 (0.9)
 Mexican American 6.5 (0.6) 3.7 (0.3) 5.5 (0.5) 3.5 (0.3)
<12 years education (%) 22.5 (0.4) 30.0 (0.6) <0.001 22.7 (0.3) 30.7 (0.5) <0.001
Body mass index (kg/m2) 26.4 (0.2) 27.1 (0.3) 0.06 26.4 (0.2) 27.1 (0.3) 0.06
Sedentary (%) 20.5 (0.3) 23.6 (0.5) <0.001 20.7 (0.3) 24.2 (0.3) <0.001
History of CVD(%) 2.1 (0.1) 5.0 (0.2) <0.001 2.1 (0.1) 5.3 (0.2) <0.001
History of Cancer (%) 5.4 (0.2) 10.3 (0.2) <0.001 5.4 (0.2) 10.7 (0.3) <0.001
Current Smoking (%) 30.2 (0.2) 26.5 (0.2) <0.001 30.2 (0.1) 26.2 (0.2) <0.001
Mean (SE) Pack years 9.7 (0.2) 15.6 (0.2) <0.001 9.9 (0.2) 15.6 (0.2) <0.001
Mean (SE) serum Cotinine (ng/mL) 79.7 (0.5) 80.1 (0.5) 0.14 81.2 (0.5) 79.2 (0.5) 0.06
Consume alcohol (%) 57.2 (0.3) 49.6 (0.4) <0.001 57.0 (0.2) 49.6 (0.3) <0.001
Total cholesterol (mg/dL) 199.2 (0.4) 213.8 (0.4) <0.001 199.6 (0.4) 214.0 (0.5) <0.001
Mean (SE) alanine aminotransferase (U/L) 17.8 (0.4) 16.6 (0.4) 0.06 17.7 (0.4) 16.6 (0.4) 0.06
Mean (SE) aspartate aminotransferase (U/L) 21.1 (0.3) 21.2 (0.3) 0.90 21.1 (0.2) 21.2 (0.2) 0.90
Mean (SE) γ-glutamyl transpeptidase (U/La) 28.2 (0.1) 31.2 (0.2) <0.001 28.5 (0.1) 31.3 (0.2) <0.001

Values are means (SE) or percentages (SE) of participants, unless otherwise specified. All values except for age and race/ethnicity were standardized for age (continuous), and race/ethnicity (non-Hispanic White, non-Hispanic Black, Mexican American, other)

a

Among random subset of participants (n=9,909)