Table 3.

Summary of multiple regression analysis for variables predicting spine bone mineral density.

	Variable	PSA*	Age	Weight	Vitamin D supplement	Race	R 2
Model 1	B (SE)	0.02 (0.01)	—	—	—	—	0.06
	P	0.03	—	—	—	—
Model 2	B (SE)	0.02 (0.01)	0.005 (0.003)	—	—	—	0.08
	P	0.05	0.08	—	—	—
Model 3	B (SE)	0.02 (0.01)	0.005 (0.003)	0.0007 (0.0005)	—	—	0.09
	P	0.05	0.04	0.17	—	—
Model 4	B (SE)	0.02 (0.01)	0.004 (0.002)	—	−0.13 (0.04)	—	0.22
	P	0.045	0.12	—	0.001	—
Model 5	B (SE)	0.02 (0.01)	0.004 (0.002)	—	−0.12 (0.04)	0.04 (0.04)	0.23
	P	0.05	0.13	—	0.001	0.33
Model 6	B (SE)	0.02 (0.01)	0.004 (0.003)	0.0004 (0.0005)	−0.12 (0.04)	—	0.23
	P	0.04	0.04	0.40	0.003	—

B = regression coefficient, SE = standard error.

*log _e transformed PSA.

Race is modeled as African-American versus non-African-American.