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Table 1 Age-adjusted clinical characteristics of the study population

From: Salt intake and mental distress among rural community-dwelling Japanese men

Parameters

Estimated daily salt intake tertiles

P for trend

T1 (low)

T2

T3 (high)

No. at risk

338

338

338

 

Age, year

65.6 ± 10.2

65.4 ± 10.1

64.3 ± 10.0

 

Body mass index, kg/m2

23.0

23.4

24.1

<0.001

Systolic blood pressure, mmHg

132

136

137

<0.001

Diastolic blood pressure, mmHg

79

82

82

0.003

Antihypertensive medication use, %

40.2

38.7

36.8

0.640

Thyroid disease, %

1.5

1.2

0.9

0.813

Current drinker, %

75.4

77.5

85.3

0.002

Current smoker, %

26.4

18.5

18.4

0.012

Serum aspartate transaminase (AST), IU/L

26

25

25

0.226

Serum triglycerides, mg/dl

115

125

129

0.141

Serum HDL-cholesterol, mg/dl

56

54

56

0.184

HbA1C, %

5.7

5.6

5.7

0.363

Antidiabetic medication use, %

9.1

6.5

10.5

0.164

Glomerular filtration rate (GFR), mL/min/1.73 m2

68.1

69.7

74.1

<0.001

Kessler 6 score

1.6

1.3

1.2

0.151

  1. Ages are given as mean ± standard deviation