Table 2.
Adjusteda LSmeans (SE)b for 7-day segments and comparisons of LSmean difference (SE) between segments, N = 163
| Measures | LSmean (SE) | Difference between segments LSmeans(SE), p-value |
F-value in mean comparisons |
|||
|---|---|---|---|---|---|---|
| 2nd week segment |
3rd week segment |
4th week segment |
Segments week 3 vs. week 2 |
Segments week 4 vs. week 3 |
||
| Total Sleep Time (min) |
351.6 (8.7) |
363.0 (9.2) |
337.9 (9.1) |
11.5(6.4) p= 0.07 |
−25.2(6.7) p=0.0002 |
F2,2879=7.08 p=0.0009 |
| Sleep Efficiency (%) |
73.4 (1.7) |
74.7 (1.8) |
69.1 (1.8) |
1.3 (1.2) p= 0.3 |
−5.4(1.3) p<0.0001 |
F2,2879=11.09 P<0.0001 |
|
logMean activity score as counts |
2.7 (0.1) |
2.7 (0.1) |
2.6 (0.1) |
0.1(0.07) p= 0.2 |
0.05(0.08) p= 0.5 |
F2,2623=1.99 P=0.2 |
a
The covariates include chronological age, body mass index, site, race, difficulty in paying for basics, menopausal status, marital status, education, health history, perceived stress, AHI, the IDS without sleep items, daily smoking, VMS, exercise, alcohol and caffeine consumption, sleep medication.
b
LSmeans: Least Square Means; SE: Standard error