Relationship between environmental exposure to cadmium and bone metabolism in a non-polluted area of Japan

Table 3 Age-adjusted correlation coefficients

	OSI	BMI	Steps walked	log Cd intake	log Cd-B	log Cd-U	log β₂-MG-U	log NAG-U	log FDPD-U	log BAP-S
OSI
BMI	0.273**
Steps walked	0.035	−0.064
log Cd intake	−0.030	−0.056	0.030
log Cd-B	0.003	0.118*	0.020	0.058
log Cd-U	0.009	0.017	0.021	0.134**	0.384**
log β₂-MG-U	−0.022	−0.072	−0.014	−0.036	0.011	−0.089
log NAG-U	−0.087	0.052	−0.058	0.096	0.086	0.299**	0.169**
log FDPD-U	−0.028	0.059	−0.045	0.106*	0.090	0.152**	0.030	0.290**
log BAP-S	−0.128*	0.157**	0.018	0.030	0.085	0.057	0.115*	0.047	0.296**
log NTx-U	−0.162**	−0.008	0.007	0.125*	0.038	0.163**	0.162**	0.152**	0.390**	0.519**

OSI osteo sono-assessment index (m²/s), Cd intake Cd intake from rice/day (μg/day), Cd-B Cd concentration in blood (μg/l), Cd-U Cd concentration in urine (μg/g cr.), β₂-MG-U β₂-microglobulin in urine (μg/g cr.), NAG-UN-acetyl-β-d-glucosaminidase in urine (U/g cr.), FDPD-U free deoxypyridinoline in urine (nmol/mmol cr.), BAP-S bone-alkaline phosphatase in serum (U/l), NTx-U cross-linked N-telopeptides of type I collagen in urine (nmol BCE/mmol cr.), BCE Bone Collagen Equivalents
* p < 0.05; ** p < 0.01

ISSN: 1347-4715