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Table 1 Characteristics of the study subjects.

From: Feasibility and antihypertensive effect of replacing regular salt with mineral salt -rich in magnesium and potassium- in subjects with mildly elevated blood pressure

  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/m 2 ) 28 (3) 28 (3)
Body mass index (kg/m 2 ) (Visit 3) 28 (3) 28 (3)
Body mass index (kg/m 2 ) (Visit 6) 28 (3) 28 (3)
Smokers (n) 3 3
Alcohol users (n) 18 21
Subjects having regular 2 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. 1 mean of two measurements (Visit 1, -4 weeks and Visit 2, -2 weeks)
  2. 2 exercising at least 2-3 times/week for 30 minutes or more
  3. 3 according to the salt intake test (Finnish Heart Association, Helsinki)
  4. P-values < 0.05 are considered as statistically significant