Table 3.
Step 1 | Step 2 | |||||
---|---|---|---|---|---|---|
Standardized β | 95% Confidence Interval | p | Standardized β | 95% Confidence Interval | p | |
Composite of Executive Function | 0.308 | 3.662, 8.348 | < 0.001 | 0.242 | 1.629, 7.787 | 0.003 |
Attention-Function Index | 0.385 | 3.654, 6.974 | < 0.001 | 0.322 | 2.760, 6.142 | < 0.001 |
Age (y) | −0.019 | −0.305, 0.247 | 0.835 | |||
Living alone | 0.021 | −5.065, 7.077 | 0.744 | |||
> High school education | 0.029 | −4.546, 6.657 | 0.711 | |||
Currently smoking | −0.130 | −13.692, −0.385 | 0.038 | |||
Alcohol consumption > 1/mo | 0.041 | −2.696, 5.535 | 0.497 | |||
Moderate levels of physical activity | 0.008 | −0.852, 0.966 | 0.902 | |||
Depressive symptoms | −0.217 | −1.334, −0.347 | 0.001 | |||
Model adjusted R2, p | 0.247 (p < 0.001) | 0.290 (p < 0.001) |
Note. Composite of objective executive function was the subtraction of Z-scores of the Stroop Color/Word Interference Test and Trail Making Test Part B, and divided by two. Higher scores indicate better performance.
CI = confidence interval.