Effectiveness of Acupressure on the Taichong Acupoint in Lowering Blood Pressure in Patients with Hypertension: A Randomized Clinical Trial
Table 3
Linear mixed-effect model analysis of factors affecting systolic blood pressure change.
Variables
Estimation (β)
Standard error (SE)
value
95% CI
Lower limit
Upper limit
-intercept
147.38
13.18
11.19
<0.001
121.14
173.63
Group
Experimental/control group (control group = 0)
10.63
3.55
3.00
0.004
3.58
17.69
Gender
Male/female (female = 0)
1.17
3.39
0.35
0.731
−5.58
7.92
Medication taken within last 8 h
Yes/no (no = 0)
−3.27
3.56
−0.92
0.360
−10.36
3.81
Age
0.01
0.21
0.64
0.524
−0.28
0.55
30 min after /before (before )
0.90
1.44
0.62
0.533
−1.94
3.74
15 min after /before (before )
0.00
1.20
0.00
1.000
−2.36
2.36
Immediately after /before (before )
−1.13
0.86
−1.31
0.192
−2.82
0.57
Group time 3 (30 min after /before )
−23.03
2.04
−11.28
<0.001
−27.04
−19.01
Group time 2 (15 min after /before )
−19.25
1.69
−11.37
<0.001
−22.58
−15.92
Group time 1 (immediately after /before )
−13.50
1.22
−11.11
<0.001
−15.90
−11.11
Linear mixed-effect model for repeated measures; . time 1, time between preacupressure and immediately after acupressure; time 2, time between preacupressure and 15 min after acupressure; time 3, time between preacupressure and 30 min after acupressure. CI, confidence interval; , acupressure.
