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. 2020 Nov;19(2):135–143.

Table 4.

Linear regression predicting blood pressure and heart rate parameters by sleep data

Systolic Diastolic MHR

βa p–Valuea βb p-Valueb βa p–Valuea βb p-Valueb βa p–Valuea βb p-Valueb
PSQI (continue) 0.63 0.05 0.23 0.45 0.51 0.03 0.10 0.67 0.65 0.005 0.33 0.15
PSQI
GOOD(N= 80)<5 0 Reference
POOR(N=104)>5 1 3.43 0.15 2.15 0.32 3.61 0.04 1.96 0.25 3.52 0.04 1.74 0.28
Subjective sleep quality
New-E9
Very good (0) Reference
Fairly good (1) 1.44 0.57 3.59 0.12 1.22 0.53 2.12 0.24 3.6 0.04 2.53 0.13
Fairly bad (2) 4.84 0.13 4.12 0.15 2.73 0.26 1.69 0.46 7.06 0.001 4.62 0.03
Very bad (3) −0.82 0.86 −3.32 0.41 −1.27 0.72 −3.37 0.30 4.86 0.12 3.33 0.26
Sleep latency
Very low (0) Reference
Fairly low (1) −0.15 0.96 0.82 0.73 −2.69 0.17 −1.73 0.34 3.84 0.03 2.98 0.08
Fairly high (2) −0.19 0.70 −1.19 0.66 −1.26 0.58 −0.64 0.76 5.4 0.009 4.37 0.025
Very high (3) 1.38 0.71 −0.14 0.96 −0.52 0.85 −1.44 0.57 6.97 0.005 4.74 0.045
Sleep duration
>=7 h (0) Reference
6–7 h (1) −1.64 0.62 −0.69 0.83 0.99 0.70 0.88 0.72 0.65 0.79 −1.24 0.59
5–6 h (2) 3.96 0.14 2.97 0.23 3.05 0.14 1.57 0.43 1.001 0.61 −0.001 1.00
<5 h (3) 7.3 0.02 3.88 0.19 4.18 0.08 0.65 0.78 0.05 0.98 −2.32 0.29
habitual sleep efficiency
>85% (0) Reference
75–84% (1) 3.04 0.32 1.12 0.68 −0.02 0.99 −2.05 0.35 −4.05 0.07 −4.09 0.052
65–74% (2) 1.83 0.61 1.72 0.59 0.44 0.87 0.12 0.96 −0.39 0.88 −1.69 0.48
<65% (3) 5.48 0.08 1.97 0.48 5.00 0.03 1.82 0.41 3.3 0.14 1.11 0.60
Sleep disturbances
Very Low (0)
Fairly Low (1) 6.13 0.17 7.09 0.09 7.44 0.03 6.65 0.04 0.69 0.83 −0.96 0.75
Fairly High (2) 5.12 0.29 5.16 0.26 6.48 0.08 4.96 0.16 4.15 0.22 0.75 0.82
Very High (3) 15.2 0.02 4.19 0.44 10.7 0.03 1.47 0.77 6.7 0.15 0.02 0.99
Use of sleeping medication
Not during the past month (0)
Reference
Less than once a week (1) 2.8 0.63 0.40 0.94 6.22 0.16 4.65 0.25 15.4 <0.001 16.4 <0.001
Once or twice a week (2) 13.3 0.07 6.92 0.29 12.74 0.02 8.77 0.09 3.7 0.46 1.22 0.79
Three or more times a week (3) −2.97 0.48 −3.61 0.34 0.13 0.97 −0.31 0.92 3.84 0.18 3.01 0.26
Daytime dysfunction
Very low (0) Reference
Fairly low (1) −1.64 0.51 0.31 0.89 −0.54 0.77 0.09 0.96 3.19 0.06 1.37 0.39
Fairly high (2) 0.25 0.93 1.81 0.49 1.75 0.43 2.47 0.23 3.1 0.13 0.64 0.73
Very high (3) 6.71 0.11 1.86 0.63 0.02 0.99 −4.15 0.17 6.8 0.02 4.27 0.12