Table 4. Results of Regression Analyses Examining the Association Between Physical Activity with Cognition.
| Attention/Executive Function | Episodic Memory | Language Abilities | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| β | b | SE b | p | β | b | SE b | p | β | b | SE b | p | |
| Block 1 | ||||||||||||
| Constant | -- | 20.15 | 19.89 | 0.32 | -- | 37.53 | 6.82 | <0.01 | -- | 48.33 | 5.76 | <0.01 |
| Age | -0.26 | -0.48 | 0.27 | 0.09 | -0.33 | -0.22 | 0.09 | 0.02 | -0.30 | -0.16 | 0.08 | 0.045 |
| Sex (1 = males; 0 = females) | -0.11 | -3.69 | 5.09 | 0.47 | -0.29 | -3.70 | 1.75 | 0.04 | 0.13 | 1.34 | 1.47 | 0.37 |
| Ejection fraction | 0.04 | 0.05 | 0.18 | 0.79 | -0.06 | -0.03 | 0.06 | 0.67 | -0.10 | -0.04 | 0.05 | 0.50 |
| Depression (1 = yes; 0 = no) | -0.26 | -10.92 | 6.46 | 0.10 | 0.06 | -0.86 | 2.21 | 0.70 | 0.05 | 0.57 | 1.87 | 0.76 |
| F | 1.24 (p = 0.31) | 2.80 (p = 0.04) | 1.59 (p = 0.19) | |||||||||
| R2 | 0.10 | 0.20 | 0.12 | |||||||||
| Block 2 | ||||||||||||
| Constant | -- | 6.16 | 20.05 | 0.76 | -- | 33.16 | 6.94 | <0.01 | -- | 43.70 | 5.70 | <0.01 |
| Average daily steps per day | 0.31 | 0.003 | 0.00 | 0.03 | 0.27 | 0.001 | 0.00 | 0.049 | 0.35 | 0.001 | 0.00 | 0.01 |
| F Δ | 5.03 (p = 0.03) | 4.11 (p = 0.049) | 6.85 (p = 0.01) | |||||||||
| Δ R2 | 0.09 | 0.07 | 0.12 | |||||||||
| Model F | 2.09 (p = 0.085) | 3.21 (p = 0.02) | 2.81 (p = 0.03) | |||||||||
| Model R2 | 0.19 | 0.27 | 0.24 | |||||||||
Note. β = standardized beta coefficient; SE b = standard error of the unstandardized beta coefficient; beta values for constants are unstandardized beta coefficients