Table 3.
Variable | Pearson correlation | Multiple regression# | ||||||||||||
(n = 82–112) | ||||||||||||||
Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | |||||||||
β | p | β | p | β | p | β | p | β | p | β | p | β | p | |
LntHcy_1 | –0.28 | 0.003 | –0.32 | 0.017 | –0.29 | 0.030 | –0.32 | 0.023 | –0.31 | 0.024 | –0.27 | 0.050 | –0.29 | 0.037 |
LnPOase_1 | –0.06 | 0.526 | –0.28 | 0.246 | –0.04 | 0.725 | ||||||||
LnPhAcase_1 | –0.11 | 0.286 | –0.24 | 0.034 | –0.23 | 0.033 | ||||||||
PON1-Q192R | –0.01 | 0.964 | –0.02 | 0.854 | 0.06 | 0.624 | 0.30 | 0.211 | ||||||
LnTG_1 | –0.08 | 0.387 | –0.22 | 0.044 | –0.20 | 0.058 | –0.20 | 0.080 | –0.19 | 0.099 | –0.20 | 0.071 | –0.19 | 0.084 |
LnFe_1 | 0.05 | 0.650 | 0.24 | 0.031 | 0.23 | 0.030 | 0.28 | 0.014 | 0.26 | 0.023 | 0.29 | 0.010 | 0.27 | 0.013 |
LnAtrophy_rate | –0.31 | 0.006 | –0.27 | 0.029 | –0.25 | 0.038 | –0.24 | 0.057 | –0.25 | 0.045 | –0.24 | 0.062 | 0.33 | 0.002 |
LnMMSE_1 | 0.34 | 0.000 | 0.26 | 0.017 | 0.29 | 0.005 | 0.32 | 0.004 | 0.30 | 0.006 | 0.43 | 0.000 | 0.33 | 0.002 |
Age | –0.28 | 0.003 | –0.24 | 0.056 | –0.26 | 0.034 | –0.24 | 0.063 | –0.23 | 0.071 | –0.27 | 0.039 | –0.26 | –0.041 |
F = 5.63, | F = 5.63, | F = 4.86, | F = 4.57, | F = 4.73, | F = 5.21, | |||||||||
p = 0.000, | p = 0.000, | p = 0.000, | p = 0.000, | p = 0.000, | p = 0.000, | |||||||||
Adjusted | Adjusted | Adjusted | Adjusted | Adjusted | Adjusted | |||||||||
R2 = 0.43 | R2 = 0.43 | R2 = 0.39 | R2 = 0.39 | R2 = 0.38; | R2 = 0.38 |
*Ln, natural logarithm; PhAcase, phenylacetate hydrolase; POase, paraoxonase; TG, triglyceride; _1, baseline; _2, end of study. # Adjusted for sex, LnAnti-N-Hcy_1, and BDNF V66M genotype.