Table 4. Model 2. Summary of ANT results using linear mixed effects models controlled for age, sex, education level, global health status, overall reaction time, and blood pressure (BP) medication (n=184).
| Parameter | Beta | SE | t | 95% CI (lower, upper) | p |
|---|---|---|---|---|---|
| Alerting × Flanker | −30.79 | 6.09 | −5.06 | (−42.74, −18.84) | < 0.001 |
| Orienting × Flanker | −33.83 | 6.41 | −5.28 | (−46.42, −21.25) | < 0.001 |
| Alerting | 40.38 | 51.55 | 0.78 | (−60.84, 141.60) | 0.434 |
| Orienting | −5.79 | 54.56 | −0.11 | (−112.91, 101.33) | 0.916 |
| Flanker (Executive Attention) | 20.03 | 44.36 | 0.45 | (−67.00, 107.07) | 0.652 |
| Age × Alerting | −0.10 | 0.64 | −0.15 | (−1.35, 1.16) | 0.881 |
| Age × Orienting | −0.12 | 0.67 | −0.17 | (−1.44, 1.21) | 0.862 |
| Age × Flanker | 1.67 | 0.55 | 3.06 | (0.60, 2.75) | 0.002 |
| Systolic BP Group × Alerting | 1.37 | 8.09 | 0.17 | (−14.52, 17.26) | 0.865 |
| Systolic BP Group × Orienting | −11.96 | 8.56 | −1.40 | (−28.77, 4.86) | 0.163 |
| Systolic BP Group × Flanker | −19.86 | 6.95 | −2.86 | (−33.50, −6.23) | 0.004 |
| Systolic BP Group | 14.58 | 6.46 | 2.26 | (1.88, 27.29) | 0.025 |
| Diastolic BP Group | −6.57 | 5.47 | −1.20 | (−17.33, 4.19) | 0.230 |
| Age | −0.67 | 0.52 | −1.29 | (−1.68, 0.35) | 0.197 |
| Sex | −0.86 | 2.67 | −0.32 | (−6.09, 4.38) | 0.749 |
| Education Level | −0.20 | 0.40 | −0.51 | (−0.98, 0.58) | 0.614 |
| Global Disease Status | −0.58 | 1.71 | −0.34 | (−3.94, 2.79) | 0.736 |
| Overall Reaction Time | 0.98 | 0.01 | 80.58 | (0.95, 1.00) | < 0.001 |
| BP Medication | −0.46 | 2.91 | −0.16 | (−6.17, 5.24) | 0.873 |
Note. Diastolic BP Group interactions with flanker and cue were not significant (data not shown but can be provided upon request).