Table 4.

Adjusted Odds Ratios and 95% CIs of Prevalent or High CAC or AAC across Quartile Categories of Energy-Adjusted Self-Reported Total (Dietary and Supplemental) Magnesium Intake

	Quartile 1 (n = 673)	Quartile 2 (n = 674)	Quartile 3 (n = 674)	Quartile 4 (n = 674)	p Value
Magnesium intake, mg/day					p Linear trend
Median	258.8	303.6	351.1	427.4
Range	159.8–283.9	284.0–325.4	325.5–383.6	383.9–669.4
CAC >0
Model 1	1 (Ref)	0.95 (0.73–1.23)	0.79 (0.60–1.03)	0.60 (0.45–0.81)	<0.001
Model 2	1 (Ref)	0.93 (0.71–1.23)	0.79 (0.60–1.05)	0.58 (0.43–0.79)	<0.001
Model 3	1 (Ref)	0.84 (0.63–1.11)	0.65 (0.47–0.89)	0.42 (0.29–0.62)	<0.001
CAC ≥90th
Model 1	1 (Ref)	1.20 (0.89–1.62)	0.94 (0.68–1.29)	0.71 (0.50–1.02)	0.02
Model 2	1 (Ref)	1.26 (0.92–1.72)	0.99 (0.71–1.38)	0.71 (0.49–1.03)	0.02
Model 3	1 (Ref)	1.20 (0.87–1.64)	0.92 (0.64–1.32)	0.63 (0.40–0.98)	0.01
AAC >0
Model 1	1 (Ref)	0.99 (0.75–1.30)	0.71 (0.54–0.94)	0.70 (0.51–0.95)	0.01
Model 2	1 (Ref)	1.07 (0.80–1.44)	0.76 (0.56–1.02)	0.77 (0.55–1.06)	0.03
Model 3	1 (Ref)	1.02 (0.75–1.37)	0.69 (0.49–0.95)	0.66 (0.44–0.98)	0.01
AAC ≥90th
Model 1	1 (Ref)	0.75 (0.57–0.99)	0.62 (0.46–0.83)	0.73 (0.54–0.99)	0.05
Model 2	1 (Ref)	0.80 (0.59–1.08)	0.65 (0.48–0.90)	0.79 (0.57–1.10)	0.17
Model 3	1 (Ref)	0.76 (0.56–1.04)	0.61 (0.43–0.86)	0.70 (0.47–1.05)	0.10

Any calcification defined as AS 0 versus >0; high calcification as AS < versus ≥90th percentile for age and sex on the basis of a healthy reference population. For AAC, n = 2,681. Models adjusted for as in Table 2.

CI = confidence interval; other abbreviations as in Table 1.