Table 3. Prevalence of CAC>0 at baseline and Year 10 and relative prevalence of CAC>0 across exams among those aged 55–84 years without cardiovascular disease, 2000–02 through 2010–12, by ethnicity, Multi-Ethnic Study of Atherosclerosis.

	Exam	White	African American	Hispanic	Chinese
Baseline CAC prevalence		51.30%	37.40%	41.50%	48.20%
Age 55–64	Baseline	Ref [95% CI]	Ref [95% CI]	Ref [95% CI]	Ref [95% CI]
	2	1.06 [0.97,1.16]	1.03 [0.89,1.18]	1.00 [0.87,1.15]	1.08 [0.91,1.30]
	3	1.08 [0.99,1.18]	1.26 [1.07,1.48]	1.23 [1.00,1.51]	0.88 [0.70,1.10]
	4	1.10 [0.95,1.27]	1.51 [1.18,1.93]	1.26 [0.93,1.70]	0.76 [0.47,1.25]
	5	1.13 [0.88,1.45]	1.67 [1.10,2.51]	1.10 [0.73,1.66]	0.96 [0.77,1.19]
p-value for trend		0.16	0.005	0.85	0.08
Baseline CAC prevalence		72.10%	54.00%	62.30%	63.60%
Age 65–74	Baseline	Ref [95% CI]	Ref [95% CI]	Ref [95% CI]	Ref [95% CI]
	2	1.01 [0.96,1.07]	0.97 [0.87,1.07]	1.02 [0.94,1.12]	0.97 [0.85,1.10]
	3	0.98 [0.91,1.05]	1.20 [1.08,1.33]	1.09 [0.96,1.24]	1.1 [0.98,1.24]
	4	0.99 [0.89,1.09]	1.08 [0.92,1.28]	1.13 [0.95,1.35]	1.17 [0.97,1.41]
	5	0.88 [0.77,1.01]	1.39 [1.11,1.74]	1.19 [0.92,1.53]	1.12 [0.95,1.31]
p-value for trend		0.1	0.005	0.19	0.03
Baseline CAC prevalence		87.70%	78.30%	77.60%	73.60%
Age 75–84	Baseline	Ref [95% CI]	Ref [95% CI]	Ref [95% CI]	Ref [95% CI]
	2	0.98 [0.93,1.03]	1.00 [0.92,1.09]	0.98 [0.89,1.07]	1.03 [0.91,1.17]
	3	0.98 [0.93,1.03]	1.00 [0.90,1.11]	1.05 [0.92,1.21]	1.07 [0.95,1.22]
	4	1.02 [0.91,1.14]	1.05 [0.92,1.20]	1.06 [0.92,1.23]	1.02 [0.84,1.22]
	5	1.08 [0.94,1.25]	0.92 [0.75,1.13]	1.09 [0.88,1.34]	1.15 [1.00,1.32]
p-value for trend		0.31	0.54	0.48	0.63

Adjusted for age, gender, education, scanner, and risk factors, including total and HDL cholesterol, lipid-lowering medication, systolic blood pressure, anti-hypertensive medication, presence of diabetes, and smoking status (current, former, never).