Table 2. Risk factors for vitamin D deficiency.

		95% Confidence Interval
Variables	Odds Ratio	Lower Limit	Upper Limit	p-value
Age ≥ 65 years	0.52	0.44	0.61	<.0001
Race: African-American	3	2.61	3.44	<.0001
Some college	0.87	0.77	0.99	0.0351
Poor health	1.44	1.23	1.69	<.0001
Current smoker	1.12	0.97	1.31	0.1308
Obesity (BMI ≥ 30)	1.31	1.15	1.49	<.0001
Diabetes	1.11	0.92	1.35	0.2837
Cancer	0.69	0.54	0.89	0.0033
High total cholesterol (>200 mg/dl)	0.83	0.72	0.96	0.01
Consume milk products daily	0.63	0.55	0.71	<.0001