Table 3.
Unstandardized parameters resulting from linear mixed effects regression models including time and interaction (n=1,557)
| Variables | Total sleep time (min) | Sleep efficiency | Wake after sleep onset | %Total sleep time in stage N1 | %Total sleep time in stage N2 | %Total sleep time in stage N3 | %Total sleep time in stage REM | Sleep Latency |
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| β (95% CL) | ||||||||
|
| ||||||||
| Intercepts | 420.1*(401.7, 438.4) | 99.4* (96.7, 102.1) | −12.2*(−21.0, −1.4) | 5.4* (3.7, 7.0) | 54.7* (52.1, 57.3) | 17.9* (15.5, 20.2) | 23.0* (21.3, 24.6) | 3.6 (−3.1, 10.3) |
| Hypertension (ref = no) | −4 .9 (−11.1, 1.3) | −1.1* (−2.1, −0.1) | 3.1 (−1.0, 7.1) | 0.6 (−0.02,1.2) | 0.2 (−0.8, 1.3) | −0.9 (−1.8,0.007) | 0.1 (−0.6,0.7) | −0.02 (−3.4, 3.3) |
| Time | 3.6* (2.1, 5.1) | 0.1 (−0.1, 0.3) | −0.2 (−1.1, 1.2) | 0.008 (−0.1, 0.2) | 0.2 (−0.1, 0.4) | −0.1 (−0.3, 0.2) | −0.04( −0.2, 0.1) | −0.2 (−0.8, 0.4) |
| Time × Hypertension | −1.3 (−3.0, 0.4) | −0.1 (−0.4, 0.1) | 0.1 (−1.0, 1.2) | −0.03 ( −0.2, 0.1) | −0.03 ( −0.3, 0.3) | 0.3* (0.1, 0.6) | −0.3*(−0.4, −0.1) | 0.3 (−0.4, 1.1) |
The models are adjusted for age, sex, body mass index, apnea hypopnea index, continuous positive airway pressure use, diabetes, atherosclerosis, heart failure, and current smoker Note:
indicates p values < 0.05; REM = rapid eye movement; CL = confidence limits