. Author manuscript; available in PMC: 2023 Mar 1.

Published in final edited form as: Am J Hum Biol. 2021 Jul 2;34(3):e23636. doi: 10.1002/ajhb.23636

TABLE 2.

Multiple Regression Predicting Level of Serum 25-(OH)D

	B	Std. Error	β	t	p
Age at Clinic Visit (y)	.257	.373	.052	.691	.491
Highest education level	.625	.585	.091	1.069	.287
Highest reported income	−.572	.849	−.054	−.673	.502
Males	−2.965	1.642	−.142	−1.806	.073
BMI (kg/m²)	−.165	.125	−.101	−1.317	.190
Vitamin D (IU) food^†	.563	.844	.051	.667	.506
Vitamin D (IU) supplements	.413	.135	.229	3.049	.003
Vitamin D fortified foods^†	−.265	.603	−.033	−.439	.661
Sun exposure	.835	.202	.319	4.133	<.001

Note. Model fit: R = .43, Adjusted R² =.18, df = 9, 165, p = <.01

^†

Adjusted for total caloric intake