Table 1 Clinical characteristics of participants according to the combinations of conventional and other risk factors

From: Impacts of the urinary sodium-to-potassium ratio, sleep efficiency, and conventional risk factors on home hypertension in a general Japanese population

 

Total participants

Conventional (+)

Conventional (+)

Conventional (-)

Conventional (-)

 

Other (+)

Other (-)

Other (+)

Other (-)

Number of participants

1384

198

257

280

649

Sex, men

393 (28.4%)

103 (52.0%)

96 (37.4%)

75 (26.8%)

119 (18.3%)

Age, years

58.8 (12.9)

58.3 (13.7)

60.0 (12.0)

55.7 (14.0)

59.9 (12.3)

 ≥65 years

589 (42.6%)

83 (41.9%)

117 (45.5%)

99 (35.4%)

290 (44.7%)

Current smoker, yes

89 (6.4%)

20 (10.1%)

20 (7.8%)

25 (8.9%)

24 (3.7%)

Average daily steps, 1000 steps per day

6.0 (4.6–7.8)

5.5 (4.2–7.5)

6.1 (4.5–7.8)

6.1 (4.7–8.1)

6.2 (4.7–7.9)

Conventional risk factors for hypertension, yes

455 (32.9%)

198 (100.0%)

257 (100.0%)

0 (0.0%)

0 (0.0%)

 Body mass index, kg/m2

22.9 (3.3)

26.1 (3.7)

25.6 (3.4)

21.5 (2.0)

21.4 (2.0)

  ≥25, yes

312 (22.5%)

136 (68.7%)

176 (68.5%)

0 (0.0%)

0 (0.0%)

 Current alcohol drinker, yes

673 (48.6%)

141(71.2%)

170 (66.2%)

124 (44.3%)

238 (36.7%)

  ≥46 g/day, yes

196 (14.2%)

86 (43.4%)

110 (42.8%)

0 (0.0%)

0 (0.0%)

Other risk factors for hypertension, yes

478 (34.5%)

198 (100.0%)

0 (0.0%)

280 (100.0%)

0 (0.0%)

 Urinary Na/K ratio

4.4 (1.6)

5.7 (1.7)

3.8 (0.9)

5.9 (1.8)

3.5 (0.9)

  ≥5.2 (Highest quartile), yes

345 (24.9%)

136 (68.7%)

0 (0.0%)

209 (74.6%)

0 (0.0%)

 Sleep efficiency, %

91.1 (6.2)

86.1 (8.2)

92.4 (3.7)

88.2 (7.8)

93.4 (3.5)

  <85%, yes

190 (13.7%)

89 (45.0%)

0 (0.0%)

101 (36.1%)

0 (0.0%)

Hypertension, yes

540 (39.0%)

128 (64.7%)

126 (49.0%)

97 (34.6%)

189 (29.1%)

 Systolic blood pressure, mmHg

125.0 (16.1)

133.1 (15.3)

129.0 (15.2)

124.4 (16.9)

121.2 (15.1)

 Diastolic blood pressure, mmHg

75.0 (9.8)

80.4 (9.7)

77.4 (9.0)

74.7 (9.5)

72.6 (9.3)

 Received treatment for hypertension, yes

281 (20.3%)

70 (35.4%)

66 (25.7%)

43 (15.4%)

102 (15.7%)

  1. Na/K sodium-to-potassium.