Table 1 Changes over time in subjects’ backgrounds

Age (years)

70.2 ± 9.9

71.4 ± 9.9

71.2 ± 7.6

66.8 ± 13.2

70.0 ± 10.3

< 0.01 ^cef

Gender (male/female)

45/162

37/88

32/89

35/71

149/410

ns

 SBP (mmHg)

138.7 ± 18.4

135.4 ± 18.2

139.1 ± 18.3

136.9 ± 18.9

137.7 ± 18.4

ns

 DBP (mmHg)

82.8 ± 12.3

78.8 ± 11.7

81.5 ± 12.4

80.3 ± 12.8

81.1 ± 12.3

< 0.05^a

 PP (mmHg)

55.8 ± 14.1

56.5 ± 16.1

57.5 ± 15.0

56.6 ± 16.3

56.5 ± 15.2

ns

 MBP(mmHg)

101.4 ± 13.0

97.7 ± 12.0

100.7 ± 12.8

99.2 ± 13.1

100.0 ± 12.8

ns

Subjects with UCG findings, n (%)

87 (42.0)

76 (60.8)

88 (72.7)

78 (73.6)

329 (58.8)

< 0.0001^abc

 Exercises, n (%)

121 (58.4)

81 (64.8)

82 (67.7)

55 (51.8)

339 (60.6)

ns

 Smoker, n (%)

16 (7.7)

11 (8.8)

10 (8.2)

11 (10.3)

48 (8.0)

ns

 DL, n (%)

68 (32.8)

65 (52.0)

63 (52.0)

48 (45.2)

244 (43.6)

< 0.001^ab

 DM, n (%)

23 (11.1)

21 (16.8)

19 (15.7)

17 (16.0)

80 (14.3)

ns

 Heart disease, n (%)

54 (25.9)

37 (29.6)

38 (31.4)

29 (27.3)

158 (28.2)

ns

 HT, n (%)

111 (53.6)

72 (57.6)

70 (57.8)

47 (44.3)

300 (53.6)

ns

 Insomnia, n (%)

106 (51.2)

66 (52.8)

46 (38.0)

47 (44.3)

265 (47.4)

ns

 Temporary housing resident, n (%)

199 (96.1)

114 (91.2)

50 (41.3)

23 (21.7)

386 (69.0)

< 0.0001^bcdef