Table 2.

Correlation Coefficients between Dietary Factors, Plasma Factors, and Intact Parathyroid Hormone

	Plasma Calcium	Plasma 25(OH)D	Plasma Phosphorus	Total Calcium Intake	Phosphorus Intake	Vitamin A Intake
Plasma PTH	−0.23 (<.001)	−0.24 (<.001)	−0.15 (<.001)	−0.09 (<.01)	−0.07 (<.01)	−0.09 (<.01)
Plasma Calcium	--	0.13 (<.001)	0.13 (<.001)	0.06 (.04)	0.03 (.26)	0.01 (.72)
Plasma 25(OH)D	--	--	.02 (0.38)	0.11 (<.001)	0.09 (<.01)	0.09 (<.01)
Plasma Phosphorus	--	--	--	−0.001 (.97)	−0.05 (.10)	0.03 (.22)
Total Calcium Intake	--	--	--	--	0.53 (<.001)	0.43 (<.001)
Phosphorus Intake	--	--	--	--	--	0.35 (<.001)

Note: Values are Spearman correlation coefficients. P-values are in parentheses.