Seasonal Variation in Vitamin D in Association with Age, Inflammatory Cytokines, Anthropometric Parameters, and Lifestyle Factors in Older Adults

Table 2

Stepwise regression of correlated parameters versus 25(OH)D level serum concentration, in ng/mL.

Variable	Effect and significance (B/p)
	Model
	1	2	3
Adjusted R^2	0.27	0.32	0.31
Waist (cm)	−0.38/2.8 × 10–7	−0.18/0.09	−0.20/0.07
BMI (kg/m^2)	—	−0.53/0.01	−0.65/0.02
Weight (kg)	—	—	0.08/0.50