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 6

Adjusted odds ratio (OR) and their respective 95% confidential intervals for IMT >1.00 mm in men and IMT >0.93 mm in women by subgroup of serum 25-hydroxyvitamin D concentration in the whole population (including smokers)* as well as in nonsmokers¶. The 4th Tromsø Study, 1994-1995.

Serum 25(OH)D, nmol/L	Whole population				Nonsmokers
	𝑛	Men	𝑛	Women	𝑛	Men	𝑛	Women
<30.0	94	0.63 (0.36, 1.12)	226	1.01 (0.65, 1.55)	78	0.64 (0.32, 1.31)	204	0.59 (0.33, 1.05)
30.0–49.9	853	0.67 (0.51, 0.89)	1101	1.10 (0.81, 1.52)	742	0.72 (0.48, 1.08)	975	0.71 (0.44, 1.16)
50.0–74.9	1466	0.81 (0.64, 1.03)	1353	1.07 (0.80, 1.43)	963	0.92 (0.62, 1.36)	878	0.71 (0.43, 1.16)
75.0–100.0	484	1.0 (Reference)	456	1.0 (Reference)	185	1.0 (Reference)	126	1.0 (Reference)
>100.0	99	0.90 (0.54, 1.49)	98	0.74 (0.40, 1.38)	26	1.77 (0.62, 4.81)	17	0.22 (0.03, 1.85)

∗Adjusted for age, BMI, SBP, season for vitamin D sampling, total cholesterol, and smoking status.
¶Adjusted age, BMI, SBP, season for vitamin D sampling, and total cholesterol.