Table 6. Standard Multiple Regression with Age, Educational Level, Hearing Sensitivity, Verbal Working Memory, and Verbal Processing Speed as Independent Variables and Stroop-tones, Stroop-words, and Stroop Interference Score as Dependent Variables.
Stroop-Tones | ||||||||||
B | 95% | CI for B | SE B | β | t | p | F | R 2 | R 2 adjusted | |
LL | UL | |||||||||
Model | <0.001 | 12.086 | .260 | .238 | ||||||
Constant | 35.257 | 27.031 | 43.483 | 4.167 | 8.460 | <0.001 | ||||
Age | -.027 | -.082 | .029 | .028 | -.087 | -.954 | .342 | |||
Educational Level | .390 | .104 | .677 | .145 | .187 | 2.687 | .008 | |||
Hearing Sensitivity | -.226 | -.372 | -.080 | .074 | -.274 | -3.050 | .003 | |||
Working memory | .117 | -.181 | .414 | .151 | .061 | .774 | .440 | |||
Processing speed | -.001 | -.001 | .000 | .000 | -.135 | -1.723 | .087 | |||
Stroop-Words | ||||||||||
B | 95% | CI for B | SE B | β | t | p | F | R 2 | R 2 adjusted | |
LL | UL | |||||||||
Model | <0.001 | 16.225 | .320 | .301 | ||||||
Constant | 21.396 | 13.222 | 29.569 | 4.141 | - | 5.167 | <0.001 | |||
Age | -.044 | -.099 | .011 | .028 | -.138 | 1.583 | .115 | |||
Educational Level | .469 | .184 | .754 | .144 | .217 | 3.250 | .001 | |||
Hearing Sensitivity | -.085 | -.230 | .060 | .074 | -.099 | -1.156 | .249 | |||
Working memory | .302 | .007 | .598 | .150 | .152 | 2.017 | .045 | |||
Processing speed | -.001 | -.002 | .000 | .000 | -.236 | -3.143 | .002 | |||
Stroop Interference Score | ||||||||||
B | 95% | CI for B | SE B | β | t | p | F | R 2 | R 2 adjusted | |
LL | UL | |||||||||
Model | <0.001 | 4.175 | .108 | .082 | ||||||
Constant | 35.309 | 16.274 | 54.345 | 9.664 | 3.661 | <0.001 | ||||
Age | .074 | -.055 | .203 | .065 | .113 | 0.136 | .258 | |||
Educational Level | -.473 | -1.136 | .190 | .336 | -.108 | -1.408 | .161 | |||
Hearing Sensitivity | -.223 | -.561 | .115 | .171 | -.128 | -1.302 | .195 | |||
Working memory | -.452 | -1.141 | .237 | .349 | -.112 | -1.295 | .030 | |||
Processing speed | .002 | .000 | .003 | .001 | .189 | 2.191 | .197 |
Note. B=unstandardized regression coefficient; CI=confidence interval; LL=lower level; UL=upper level; SE B=standard error of the coefficient; β=standardized coefficient; R 2=coefficient of determination; −= not applicable; p ≤ .05=significant as indicated in bold