Association between dietary vitamin C and abdominal aortic calcification among the US adults

Nutrition Journal

Table 2 Associations of dietary vitamin C intake with AAC score and the risk of AAC

Dietary vitamin C (10⁻² mg/day)	Model 1		Model 2		Model 3
Dietary vitamin C (10⁻² mg/day)	β /OR (95%CI)	P value	β /OR (95%CI)	P value	β /OR (95%CI)	P value
AAC risk	0.815 (0.708, 0.939)	0.005	0.816 (0.707, 0.941)	0.005	0.807 (0.659, 0.989)	0.038
AAC-24 score	-0.376 (-0.550, -0.203)	< 0.001	-0.368 (-0.541, -0.195)	< 0.001	-0.338 (-0.565, -0.111)	0.004
Groups of vitamin C intake
T1	Reference		Reference		Reference
T2	-0.283 (-0.580, 0.015)	0.0625	-0.246 (-0.543, 0.051)	0.104	-0.484 (-0.870, -0.098)	0.014
T3	-0.523 (-0.823, -0.223)	< 0.001	-0.518 (-0.818, -0.219)	< 0.001	-0.723 (-1.128, -0.319)	< 0.001
P for trend	< 0.001		< 0.001		< 0.001
AAC-8 score	-0.146 (-0.211, -0.082)	< 0.001	-0.144 (-0.209, -0.080)	< 0.001	-0.132 (-0.217, -0.047)	0.002
Groups of vitamin C intake
T1	Reference		Reference		Reference
T2	-0.062 (-0.172, 0.050)	0.276	-0.047 (-0.158, 0.063)	0.404	-0.134 (-0.279, 0.011)	0.070
T3	-0.192 (-0.303, -0.080)	< 0.001	-0.191 (-0.303, -0.080)	< 0.001	-0.259 (-0.411, -0.107)	< 0.001
P for trend	< 0.001		< 0.001		< 0.001

Model 1: age, gender, race and BMI were adjusted; Model 2: Model 1 + cholesterol, creatinine, serum phosphorus serum calcium, ALT, AST and AIP; Model 3: Model2 + poverty ratio, hypertension, diabetes, coronary heart disease, angina/angina pectoris history, smoking status, alcohol consumption and daily energy intake
Abbreviation: CI Confidence intervals, OR Odds ratio

ISSN: 1475-2891