Research Article

Evaluation of Serum 25-Hydroxyvitamin D as a Predictor of Carotid Intima-Media Thickness and Carotid Total Plaque Area in Nonsmokers: The Tromsø Study

Table 5

Odds ratios (OR) and their respective 95% confidential intervals for the association between total calcium and levels of mean IMT and TPA in men and women, using multinomial logistic regression. The 4th Tromsø Study, 1994-1995.

Multivariate modelsMen,
Mean IMT quartiles, mmTPA groups, mm2
<0.76 0.76–0.870.88–1.00>1.00No plaques <11.3711.37–23.89>23.89

Model 11.000.92 (0.81, 1.03)0.95 (0.84, 1.07)0.91 (0.81, 1.03)1.000.92 (0.82, 1.04)0.88* (0.78, 1.00)0.96 (0.85, 1.08)
Model 2
1.001.01 (0.88, 1.16)1.04 (0.90, 1.19)0.95 (0.82, 1.10)1.000.93 (0.82, 1.05)0.87 (0.77, 0.99)0.92 (0.81, 1.05)

Multivariate modelsWomen,
Mean IMT quartiles, mmTPA groups, mm2
<0.720.72–0.810.82–0.93>0.93No plaques<9.429.42–18.07>18.07

Model 11.001.17** (1.04, 1.31)1.27*** (1.13, 1.43)1.38*** (1.23, 1.55)1.001.02 (0.90, 1.14)1.12* (1.00, 1.27)1.24*** (1.10, 1.40)
Model 21.001.03 (0.90, 1.16)1.08 (0.94, 1.23)1.08 (0.94, 1.24)1.000.92 (0.81, 1.05)0.99 (0.87, 1.12)1.03 (0.90, 1.17)

Model 1. Total calcium, unadjusted.
Model 2. Total calcium adjusted for age, BMI, SBP, and total cholesterol.
* .
** .
*** .