Table 1

Characteristics of the study subjects.

Smart Salt®

(n = 22)

Regular salt

(n = 23)


Female/Male (n)

13/9

9/14

Age (years)

57 (12)

54 (11)

Pre-trial blood pressure (mmHg)1

Systolic

141 (8)

138 (9)

Diastolic

87 (6)

88 (7)

Pre-trial body weight (kg)

77 (12)

85 (17)

Body weight (kg) (Visit 3)

77 (12)

85 (16)

Body weight (kg) (Visit 6)

77 (13)

84 (16)

Pre-trial body mass index (kg/m2)

28 (3)

28 (3)

Body mass index (kg/m2) (Visit 3)

28 (3)

28 (3)

Body mass index (kg/m2) (Visit 6)

28 (3)

28 (3)

Smokers (n)

3

3

Alcohol users (n)

18

21

Subjects having regular2 exercise (n)

19

19

Pre-trial consumption of salt (points)3

11.7 (2.5)

11.9 (1.4)

Subjects using vitamin/mineral supplements before intervention (n)

13

10

Subjects using vitamin/mineral supplements during intervention (n)

8

7

Subjects using other food supplements (n)

7

8


1 mean of two measurements (Visit 1, -4 weeks and Visit 2, -2 weeks)

2 exercising at least 2-3 times/week for 30 minutes or more

3 according to the salt intake test (Finnish Heart Association, Helsinki)

P-values < 0.05 are considered as statistically significant

Sarkkinen et al. Nutrition Journal 2011 10:88   doi:10.1186/1475-2891-10-88

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