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. 2015 Aug 24;27:20. doi: 10.1186/s40557-015-0071-2

Table 4.

Comparison of age, glucose, BMI, diabetes prevalence according to the three tertiles of urine cadmium

Male(n = 489)
	1^sttertile	2^ndtertile	3^rdtertile	p- value	Post hoc comparison
	(n = 199)	(n = 151)	(n = 139)
	(U-Cd ≤1 μg/g Cr)	(1 μg/g Cr < U-Cd ≤2 μg/g Cr)	(2 μg/g Cr < U-Cd)
Age, year	57.4 ± 7.9	60.1 ± 7.1	59.1 ± 6.8	0.003^a	I ≠ III^b
Glucose, mg/dL	105.3 ± 38.9	117.4 ± 66.2	124.3 ± 98.7	0.037^a	I ≠ III^b
BMI, kg/cm²	24.80 ± 4.00	24.09 ± 3.14	23.36 ± 3.29	<0.001^a	I ≠ III^b
Diabetes prevalence	17.1 %	23.8 %	28.8 %	0.010
Female(n = 176)
	1^sttertile	2^ndtertile	3^rdtertile	p -value	Post hoc comparison
	(n = 79)	(n = 58)	(n = 39)
	(U-Cd ≤1 μg/g Cr)	(1 μg/g Cr < U-Cd ≤3 μg/g Cr)	(3 μg/g Cr < U-Cd)
Age, year	58.8 ± 8.4	58.8 ± 7.4	60.7 ± 7.0	0.408^a
Glucose, mg/dL	102.7 ± 49.1	102.8 ± 41.8	106.0 ± 39.5	0.923^a
BMI, kg/cm²	25.86 ± 3.26	25.83 ± 3.38	24.48 ± 3.15	0.074^a
Diabetes prevalence	20.3 %	17.2 %	30.8 %	0.282

^aStatistical significances were tested by one way analysis of variances among groups

^bThe same letters indicate non-significant difference between groups based on Tukey’s multiple comparison test