Table 7.
Variable | Pearson correlation | Multiple regression# | ||||||||||||
(n = 78–110) | ||||||||||||||
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 | 0.38 | 0.000 | 0.32 | 0.008 | 0.32 | 0.008 | 0.31 | 0.014 | 0.31 | 0.014 | 0.26 | 0.028 | ||
LnPOase_1 | 0.16 | 0.120 | 0.16 | 0.453 | 0.14 | 0.148 | ||||||||
LnPhAcase_1 | 0.14 | 0.163 | 0.24 | 0.015 | 0.19 | 0.055 | ||||||||
PON1-Q192R | 0.08 | 0.434 | 0.19 | 0.049 | 0.13 | 0.193 | –0.02 | 0.295 | ||||||
LnAnti-N-Hcy_1 | –0.02 | 0.877 | 0.24 | 0.025 | 0.27 | 0.011 | 0.26 | 0.020 | 0.24 | 0.028 | 0.25 | 0.025 | 0.28 | 0.011 |
LnAtrophy_rate | 0.34 | 0.002 | 0.30 | 0.007 | 0.30 | 0.007 | 0.28 | 0.013 | 0.29 | 0.013 | 0.29 | 0.010 | 0.29 | 0.011 |
LnTrail_making_A _1 | 0.52 | 0.000 | 0.32 | 0.001 | 0.32 | 0.001 | 0.29 | 0.003 | 0.29 | 0.003 | 0.28 | 0.004 | 0.30 | 0.003 |
Age | 0.37 | 0.000 | 0.31 | 0.005 | 0.31 | 0.005 | 0.32 | 0.005 | 0.32 | 0.006 | 0.32 | 0.006 | 0.32 | 0.005 |
F = 6.70, | F = 6.53, | F = 6.05, | F = 5.61, | F = 6.20, | F = 6.59, | |||||||||
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 = 0.57 | R2 = 0.54 | R2 = 0.52 | R2 = 0.51 | R2 = 0.52; | R2 = 0.52 |
*Ln, natural logarithm; PhAcase, phenylacetate hydrolase; POase, paraoxonase; _1, baseline; _2, end of study. #Adjusted for sex, LnFA_1, LnTG_1, COMT V158M and DHFR 19bpins genotypes.