Table 2.

Association between Serum vitaminD-25(OH)D and PSA in step-wise logistic regressions.

	Model1	Model2	Model3
Serum vitaminD-25(OH)D	Reference	Reference	Reference
	-1.39 (-8.29, 6.02)	1.63 (-5.72, 9.54)	0.57 (-6.37, 8.04)
	0.44 (-5.24, 6.46)	1.61 (-4.37, 7.96)	0.26 (-5.94, 6.86)
	6.23 (0.24, 12.57)	7.22 (-0.22, 15.21)	7.73 (0.26, 15.76)
p trend	0.007*	0.001*	0.041*

*P<0.05, Model 1= No adjustment, Model 2 = as Model 1 plus adjusted for sex, age (years, continuous), age squared, education (less than high school, high school graduate, some college and above), race (non-Hispanic white, non-Hispanic black, Mexican American, other), self-reported alcohol status (Yes and No) and self-reported smoking status (Yes and No); Model 3 = Model 2 plus adjusted for BMI, self-reported hypertension (Yes and No) and self-reported diabetes (Yes and No).