Knowledge and attitudes about vitamin D, and behaviors related to vitamin D in adults with and without coronary heart disease in Saudi Arabia

Table 6 Results of Multivariate Logistic Regression Analysis

	Adjusted OR^a (95% CI)	P-value
Model 1: Knowledge about vitamin D
High knowledge levels	1.00 (referent)
Low knowledge levels	1.82 (1.08–3.06)	0.024
Model 2: Attitudes toward vitamin D
Good attitude	1.00 (referent)
unfavorable attitude	0.96 (0.58–1.59)	0.899
Model 3: Vitamin D related behaviors
Sun exposure and using of sun protection
High score	1.00 (referent)
Low score	1.54 (0.87–2.71)	0.132
Intake of vitamin supplements
High intake	1.00 (referent)
Low intake	4.35 (2.12–8.92)	<.000
Consumption of food rich in vitamin D
High intake	1.00 (referent)
Low intake	0.87 (0.53–1.4)	0.612

^aMultivariate Logistic Regression model after adjustment for age, gender, and CHD

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