Food intake survey of kindergarten children in Korea: Part 3 cadmium and lead burden

Table 3 Absence of positive correlation of dietary intake of cadmium and lead with urinary concentration

Dietary intake	Urinary concentration	Corr. Coeff.	p value
Cadmium
Per day	As observed	−0.489	<0.01
	CR-corrected	−0.430	<0.01
	Sp.Gr.-corrected	−0.384	<0.01
Per body weight per day	As observed	−0.414	<0.01
	CR-corrected	−0.339	<0.01
	Sp.Gr.-corrected	−0.335	<0.05
Lead
Per day	As observed	−0.122	ns
	CR-corrected	0.141	ns
	Sp.Gr.-corrected	−0.191	ns
Per body weight per day	As observed	−0.102	ns
	CR-corrected	0.247	<0.05
	Sp.Gr.-corrected	−0.184	ns

CR corrected corrected for creatinine concentration, Sp.Gr.-corrected corrected for urine specific gravity (1.016)

ISSN: 1347-4715