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. Author manuscript; available in PMC: 2026 Apr 9.
Published in final edited form as: Sleep. 2026 May 12;49(5):zsag053. doi: 10.1093/sleep/zsag053

Table 3.

Agreement of sleep measures for HB-PSG or ACT-PSG among subgroups of interest

Index TST WASO
Difference, min (95% CI) p-value ICC
(95%CI)
Difference, min (95% CI) p-value ICC
(95%CI)
Headband
AHI ≥15
(n=35)
12.9
(−29.0, 3.3)
0.1 0.90
(0.82, 0.95)
13.7
(0.5, 26.9)
0.04 0.83
(0.70, 0.91)
ISI ≥15
(n=20)
−13.8
(−38.2, 10.6)
0.3 0.87
(0.72, 0.94)
18.8
(−4.0, 41.7)
0.1 0.54
(0.18, 0.78)
PSQI >5
(n=52)
−7.2
(−18.9, 4.6)
0.2 0.91
(0.85, 0.93)
9.7
(−1.3, 20.6)
0.08 0.82
(0.71, 0.89)
PLMI ≥15
(n=8)
−47.4
(−98.1, 3.2)
0.06 0.56
(−0.08, 0.87)
44.9
(0.05, 89.8)
0.05 0.64
(0.05, 0.90)
Daily Napping
(n=9)
1.5
(−36.5, 39.5)
0.9 0.89
(0.63, 0.97)
6.1
(−26.6, 38.8)
0.7 0.90
(0.67, 0.97)
MoCA score <12
(n=13)
8.3
(−23.2, 39.8)
0.6 0.88
(0.69, 0.96)
8.3
(−25.1, 41.7)
0.6 0.73
(0.36, 0.90)
Actigraphy
AHI ≥15
(n=35)
46.6
(25.5, 67.7)
<0.01 0.78
(0.61, 0.88)
−21.1
(−41.2, −1.1)
0.04 0.48
(0.19, 0.70)
ISI ≥15
(n=20)
34.3
(6.5, 62.1)
0.02 0.80
(0.60, 0.92)
−7.2
(−34.5, 20.1)
0.6 0.33
(−0.09, 0.65)
PSQI >5
(n=52)
54.3
(38.1, 70.6)
<0.01 0.71
(0.55, 0.82)
−29.2
(−45.2, −13.2)
<0.01 0.39
(0.14, 0.60)
PLMI ≥15
(n=8)
37.0
(−3.8, 77.8)
0.07 0.74
(0.23, 0.93)
−20.8
(−60.2, 18.6)
0.3 0.59
(−0.04, 0.88)
Daily Napping
(n=9)
38.8
(−33.5, 111.0)
0.3 0.55
(−0.05, 0.86)
−18.4
(−94.1, 57.2)
0.6 0.31
(−0.34, 0.76)
MoCA score <12
(n=13)
57.3
(3.2, 111.4)
0.04 0.61
(0.15, 0.85)
−20.9
(−73.4, 31.6)
0.4 0.23
(−0.31, 0.66)

Abbreviations: ACT= Actigraphy; CI= Confidence Interval; HB=Headband; ICC= Intraclass Correlation Coefficient; PSG= Polysomnography; SD= Standard Deviation; TST= Total Sleep Time; WASO= Wake After Sleep Onset