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. 2022 Mar 9;16:815872. doi: 10.3389/fnins.2022.815872

TABLE 2.

Mean (SE) PSQI total and component scores by group condition and mixed model analysis.

PSQI Bright white light Dim red light


Baseline
N = 22
C1TW
N = 17
C1RW
N = 18
C4TW
N = 16
C4RW
N = 15
Baseline
N = 16
C1TW
N = 14
C1RW
N = 13
C4TW
N = 14
C4RW
N = 14
Global 8.9
(0.9)
9.1
(0.8)
8.6
(1.0)
8.5
(0.9)
6.9
(0.9)
7.9
(0.9)
8.1
(1.1)
7.1
(1.3)
7.9
(0.9)
6.9
(1.1)
Subjective sleep quality 1.3
(0.2)
1.4
(0.2)
1.0
(0.2)
0.9
(0.2)
0.4**
(0.1)
1.6
(0.2)
1.4
(0.3)
1.0*
(0.3)
1.1
(0.2)
0.9*
(0.2)
Sleep latency 1.4
(0.2)
1.4
(0.2)
1.4
(0.2)
0.9
(0.3)
0.8
(0.3)
1.5
(0.3)
1.1
(0.3)
1.2
(0.3)
1.0
(0.3)
1.3
(0.3)
Sleep duration 1.3
(0.2)
0.9
(0.2)
0.9
(0.2
0.9
(0.2)
0.9*
(0.2)
0.8
(0.1)
0.8
(0.2)
0.5
(0.2)
0.4
(0.2)
0.5
(0.1)
Habitual sleep efficiency 1.8
(0.3)
1.9
(0.3)
1.3
(0.3)
1.6
(0.3)
1.1
(0.3)
1.3
(0.3)
0.9
(0.3)
0.9
(0.3)
1.2
(0.4)
0.7
(0.3)
Sleep disturbances 1.5
(0.1)
1.4
(0.2)
1.2
(0.1)
1.3
(0.2)
1.1*
(0.2)
1.6
(0.1)
1.5
(0.2)
1.4
(0.1)
1.7
(0.2)
1.5
(0.1)
Use of sleeping medication 1.1
(0.3)
1.4
(0.4)
1.7
(0.3)
1.8
(0.4)
1.6
(0.4)
0.7
(0.3)
1.5*
(0.4)
1.3
(0.4)
1.4*
(0.4)
1.2
(0.4)
Daytime dysfunction 0.6
(0.2)
0.8
(0.2)
0.9
(0.2)
1.1*
(0.1)
1.0*
(0.2)
0.6
(0.2)
0.9
(0.2)
0.7
(0.2)
1.0
(0.2)
0.8
(0.2)

Compared to Baseline in each group: *p < 0.05, **p < 0.01; there were no significant group by time interactions for both groups at any time point (all p’s > 0.1).