Table 3.

Mean systolic and diastolic blood pressure at baseline and during dietary intervention

Blood pressure, mm Hg	Men	Women	p-value for difference by gender	p-value for difference by intervention*	p-value for intervention
Baseline
SBP	118.7 ± 12.8	114.9 ± 15.4	<0.0001	…	…
DBP	75.6 ± 9.9	71.7 ± 10.5	<0.0001	…	…
Low-salt intervention
SBP	113.3 ± 11.1	109.3 ± 13.0	<0.0001	<0.0001	0.0002
DBP	73.1 ± 9.3	68.6 ± 9.5	<0.0001	<0.0001	0.0003
High-salt intervention
SBP	117.8 ± 12.1	114.5 ± 15.0	<0.0001	<0.0001	<0.0001
DBP	74.5 ± 9.9	71.1 ± 10.3	<0.0001	<0.0001	0.001
High-salt/potassium supplementation
SBP	114.2 ± 11.6	111.1 ± 14.3	<0.0001	<0.0001	<0.0001
DBP	73.4 ± 9.5	69.4 ± 9.9	<0.0001	<0.0001	0.001

Values are mean ± SD or percentage.

^*p-values are for low-salt intervention compared to baseline, high-salt intervention compared to low-salt intervention, or potassium supplementation plus high-salt intervention compared to high-salt intervention.