Research Article

Self-Monitoring Home Blood Pressure in Community-Dwelling Older People: Age Differences in White-Coat and Masked Phenomena and Related Factors—The SONIC Study

Table 2

Current situation by age group in antihypertensive participants.

70s (N = 60)80s (N = 199)90s (N = 32)
ΔSBP <00 ≦ ΔSBP ≦ 10ΔSBP>10 valueΔSBP < 00 ≦ ΔSBP ≦ 10ΔSBP>10valueΔSBP < 00 ≦ ΔSBP ≦ 10ΔSBP > 10value

N (%)14 (23.3)14 (23.3)32 (53.4)#0.00566 (33.2)46 (23.1)87 (43.7)#0.00212 (37.5)7 (21.9)13 (40.6)#0.380
BMI
Mean (SD)
MoCA-J
23.29
(2.30)
23.93
24.74
(2.55)
24.79
23.32
(2.64)
24.34
0.193
0.836
22.40
(3.06)
22.50
23.76
(3.42)
22.50
22.75
(2.89)
23.33
0.067
0.353
23.89
(3.48)
19.82
20.78
(3.65)
23.20
21.53
(3.27)
18.33
0.119
0.170
Mean (SD)
HDL-C mg/dL
(4.60)
60.79
(2.49)
62.58
(3.86)
52.83
0.019(4.36)
61.33
(3.71)
58.46
(3.93)
63.76
0.177(4.60)
55.67
(5.89)
58.43
(4.25)
60.85
0.721
Mean (SD)
LDL-C mg/dL
(10.39)
114.33
(13.89)
112.32
(10.41)
114.46
0.977(14.83)
108.23
(16.14)
106.58
(16.01)
114.48
0.188(17.26)
117.32
(18.71)
109.86
(12.77)
125.71
0.605
Mean (SD)
HbA1c
(34.88)
5.81
(25.16)
5.77
(28.48)
5.91
0.781(25.52)
5.99
(27.43)
5.91
(27.24)
5.74
0.083(20.90)
5.68
(11.07)
5.56
(48.82)
5.84
0.745
Mean (SD)
Creatinine mg/dL
(0.65)
0.84
(0.51)
0.78
(0.69)
0.78
0.523(0.81)
0.88
(0.56)
0.91
(0.64)
0.83
0.487(0.67)
0.95
(0.42)
1.06
(1.04)
0.83
0.116
Mean (SD)
Mean IMT
(0.17)
0.85
(0.16)
0.81
(0.19)
0.86
0.507(0.28)
0.84
(0.61)
0.85
(0.29)
0.84
0.882(0.26)
0.88
(0.23)
0.97
(0.22)
0.86
0.179
Mean (SD)
DM (%)
(0.13)
3 (30.0)
(0.07)
1 (10.0)
(0.17)
6 (60.0)
#0.605(0.13)
14 (43.8)
(0.13)
8 (25.0)
(0.10)
10 (31.3)
#0.273(0.16)
1 (33.3)
(0.10)
0
(0.07)
2 (66.7)
#0.538
Dyslipidemia (%)8 (21.6)9 (24.3)20 (54.1)#0.88536 (34.3)28 (26.7)41 (39.0)#0.3006 (42.9)3 (21.4)5 (35.7)#0.843
DM medicines (%)2 (28.6)1 (14.3)4 (57.1)#0.82212 (50.0)4 (16.7)8 (33.3)#0.1741 (33.3)02 (66.7)#0.524
Dyslipidemia medicines (%)6 (22.2)6 (22.2)15 (55.6)#0.95226 (31.7)22 (26.8)34 (41.5)#0.5823 (42.8)2 (28.6)2 (28.6)#0.751
Taking CCB (%)9 (21.4)11 (26.2)22 (52.4)#0.70555 (34.6)41 (25.8)63 (39.6)#0.0518 (38.1)3 (14.3)10 (47.3)#0.309
Past smoking (%)5 (22.7)6 (27.3)11 (50.0)#0.90027 (34.2)20 (25.3)32 (40.5)#0.6654 (40.0)3 (30.0)3 (30.0)#0.703
Current heavy drinking (%)1 (50.0)1 (50.0)0#0.2644 (57.1)03 (42.9)#0.2271 (100.0)00#0.409
On-site_SBP
Mean (SD)
124.11
(8.47)
130.00
(8.88)
144.55
(11.56)
≤0.001128.97
(12.76)
137.16
(9.90)
155.63
(13.96)
≤0.001128.75
(16.71)
135.29
(13.04)
151.38
(11.17)
0.001
On-site_DBP
Mean (SD)
70.00
(8.29)
75.30
(8.79)
77.56
(10.07)
0.05067.86
(8.95)
73.80
(7.77)
80.23
(10.14)
≤0.00166.42
(8.69)
67.50
(15.82)
70.13
(7.11)
0.645
On-site_HR
Mean (SD)
68.29
(9.01)
69.11
(9.68)
66.47
(8.10)
0.59670.77
(11.71)
70.85
(11.83)
73.07
(10.94)
0.38472.25
(9.13)
69.21
(12.47)
74.35
(11.52)
0.607
Home_SBP
Mean (SD)
134.68
(11.82)
124.48
(9.11)
125.92
(7.54)
0.006136.78
(11.13)
132.12
(9.27)
129.92
(11.78)
0.001144.70
(12.16)
128.34
(12.02)
126.71
(11.41)
0.002
Home_DBP
Mean (SD)
87.85
(10.32)
82.62
(7.26)
83.34
(7.43)
0.16784.92
(8.74)
84.60
(6.67)
84.04
(9.27)
0.81589.04
(10.35)
79.73
(7.17)
77.83
(8.97)
0.013
Home_HR
Mean (SD)
67.74
(6.22)
72.58
(11.96)
65.37
(9.82)
0.13167.84
(8.97)
66.48
(9.21)
67.38
(10.37)
0.79274.47
(9.66)
67.01
(12.39)
67.68
(6.26)
0.171

BMI = body mass index; MoCA-J = Japanese version of Montreal Cognitive Assessment; HDL-C = high-density lipoprotein cholesterol; LDL-C = low-density lipoprotein cholesterol; HbA1c = hemoglobin A1c; Mean IMT: mean intima-media thickness; DM = diabetes mellitus; CCB = calcium channel blockers; SBP = systolic blood pressure; DBP = diastolic blood pressure; HR = heart rate; ΔSBP = On-site_SBP-Home_SBP; SD = standard deviation. Statistical analysis: one-way analysis of variance, #chi-square test.