. Author manuscript; available in PMC: 2010 Jun 15.

Published in final edited form as: Am J Hypertens. 2009 Sep 17;22(12):1281–1286. doi: 10.1038/ajh.2009.176

Table 1.

Characteristics of 1,906 study participants at baseline examination and dietary interventions

Characteristics	Mean (SD) or percentage
Age, years	38.7 (9.6)
Male, %	53.0
Body mass index, kg/m²	23.3 (3.2)
Cigarette smoking, %	34.7
Alcohol consumption, %	29.4
24-h urinary excretion of sodium, mmol
Baseline	242.3 (66.7)
Low-sodium	47.5 (15.9)
High-sodium	244.3 (37.7)
High-sodium plus potassium supplementation	254.2 (36.0)
24-h urinary excretion of potassium, mmol
Baseline	36.8 (9.6)
Low-sodium	31.4 (7.7)
High-sodium	35.7 (7.5)
High-sodium plus potassium supplementation	77.5 (12.8)

SD = standard deviation