. 2015 Jan 1;3(1):80–84. doi: 10.3889/oamjms.2015.006

Table 3.

Predictors of 25-OHD.

	Simple linear regression			Multiple linear regression
Variable	Βcoefficient	R²	p	Βcoefficient	R²	p

BMI	-0.736	0.541	0.000^*	-1.980	0.734	0.000^*

Physical activity (hours/week)	0.306	0.093	0.000^*	0.336	0.806	0.000^*

Frequency of milk intake/week	0.200	0.040	0.039^*

Frequency of eating fast food/week	0.124	0.015	0.132

P < 0.05 is significant; BMI = Body mass index.