Table 3.

Multiple regression analyses depicting independent correlates of Ins/Cr, NAA/Cr, Glu/Cr, and Cho/Cr.

Model	R 2 (P value)	Variable	B	β	P value	95% CI Lower bound	95% CI Upper bound
Dependent variable: Ins/Cr
(1)	0.379 (0.004)	Sex	0.104	0.539	0.001	0.046	0.161
		Age	−0.002	−0.102	0.480	−0.006	0.003
		Years of education	0.011	0.301	0.054	0.000	0.023
		CRP	0.013	0.375	0.015	0.003	0.023
Dependent variable: NAA/Cr
(2)	0.113 (0.427)	Sex	0.021	0.107	0.545	−0.050	0.092
		Age	0.005	0.293	0.097	−0.001	0.010
		Years of education	−0.005	−0.134	0.461	−0.019	0.009
		CRP	0.000	0.009	0.958	−0.012	0.013
Dependent variable: Glu/Cr
(3)	0.175 (0.188)	Sex	0.067	0.209	0.226	−0.044	0.178
		Age	−0.005	−0.201	0.233	−0.014	0.004
		Years of education	0.024	0.394	0.030	0.003	0.046
		CRP	0.001	0.011	0.947	−0.019	0.020
Dependent variable: Cho/Cr
(4)	0.064 (0.715)	Sex	0.010	0.212	0.247	−0.007	0.028
		Age	0.000	0.067	0.706	−0.001	0.002
		Years of education	−0.001	−0.080	0.666	−0.004	0.003
		CRP	0.000	0.025	0.890	−0.003	0.003