Table 5.
Adjusted* associations of Aβ status with standard 24-hour rest/activity rhythm (RAR) indices (30-minute intervals)
B (standard error) P |
||||||
---|---|---|---|---|---|---|
Cosinor indices | Nonparametric indices | |||||
Amplitude | Mesor | Acrophase | RA | IS | IV | |
Aβ+ (A4) n = 26 |
0.07 (0.09) P = .468 |
0.11 (0.09) P = .229 |
−0.35 (0.30) P = .249 |
0.01 (0.02) P = .710 |
−0.02 (0.02) P = .370 |
−0.02 (0.04) P = .494 |
Aβ− (LEARN) n = 31 |
(ref.) | (ref.) | (ref.) | (ref.) | (ref.) | (ref.) |
IS, interdaily stability; IV, intradaily variability; RA, relative amplitude.
*Adjusted for age, sex, education.