Genetic Variations of Glutathione S-Transferase Influence on Blood Cadmium Concentration

Table 1

The geometric mean of blood cadmium concentrations in a nonoccupational exposed population.

Characteristics	n	Blood cadmium concentration (μg/L)
		GM±SE	95% CI
Total	370	0.46±0.02	0.43–0.49
Gender
male	267	0.46±0.02	0.42–0.50
female	103	0.45±0.03	0.40–0.50
Age (yrs)
45–55 yrs	144	0.45±0.03	0.40–0.51
>55 yrs	226	0.46±0.02	0.42–0.50
Smoking habit
nonsmoker	294	0.41±0.02^a	0.38–0.42
Smoker	76	0.72±0.04	0.62–0.85
Alcohol consumption
Nondrinker	178	0.44±0.02	0.40–0.48
Drinker	192	0.47±0.02	0.43–0.53

^a Significantly different from smoker, 𝑃<0.05 Student’s t-test.
GM = Geometric mean.
95% CI = 95% Confidence interval.