Table 2 Multivariable-adjusted blood pressure changes in normotensives according to quartiles and 1-SD increment of sodium concentrations

All subjects (n = 889)

Number

220

225

220

224

54 mmol/l

  Age- and sex-adjusted

4.3

4.1

5.2

6.9

1.0*

  Multivariable-adjusted^b

4.5

4.2

5.1

6.8

0.9

  Multivariable-adjusted^c

4.6

4.1

5.2

6.6

0.8

  Age- and sex-adjusted

0.9

0.6

0.3

2.1

0.4

  Multivariable-adjusted^b

1.0

0.7

0.3

2.1

0.4

  Multivariable-adjusted^d

0.9

0.4

0.7

1.9

0.4

Non-overweight subjects (BMI < 25) (n = 700)

Number

175

174

176

175

53 mmol/l

 Changes in systolic blood pressure level (mmHg)

  Age- and sex-adjusted

3.8

4.2

4.2

7.3*

1.1*

  Multivariable-adjusted^b

3.9

4.3

4.1

7.3*

1.1*

  Multivariable-adjusted^c

4.2

4.1

4.2

7.0*

0.9

  Age- and sex-adjusted

0.8

0.5

0.1

2.3

0.4

  Multivariable-adjusted^b

0.8

0.5

0.0

2.3

0.4

  Multivariable-adjusted^d

0.8

0.4

0.3

2.0

0.3

Overweight subjects (BMI ≥ 25) (n = 189)

Number

46

48

48

47

55 mmol/l

  Age- and sex-adjusted

5.9

5.0

7.1

6.3

0.2

  Multivariable-adjusted^b

5.6

5.0

7.0

6.7

0.4

  Multivariable-adjusted^c

5.3

5.0

7.3

6.8

0.6

 Changes in diastolic blood pressure level (mmHg)

  Age- and sex-adjusted

2.5

−0.3

0.5

2.9

0.6

  Multivariable-adjusted^b

2.4

−0.4

0.6

3.0

0.7

  Multivariable-adjusted^d

1.4

−0.1

1.4

2.9

0.9