Journal of Nutrition and Metabolism / 2012 / Article / Tab 3

Research Article

Blood Pressure-Lowering Mechanisms of the DASH Dietary Pattern

Table 3

Adherence measures by treatment and time.

Measurement Mean ± SDControlDASH 𝑃 for DASH versus control

Urinary excretion
Potassium, mmol/24 hr
 Baseline 4 6 . 6 ± 1 3 . 3 4 2 . 2 ± 1 4 . 7
 Change at week 1 1 0 . 2 ± 1 1 . 9 3 9 . 8 ± 2 5 . 8 * <0.0001
 Change at week 2 7 . 9 ± 1 6 . 4 2 5 . 3 ± 2 8 . 6 0.005
𝑃 for trend 0.367 0.075

Magnesium, mmol/24 hr
 Baseline 3 . 5 6 ± 1 . 5 4 3 . 5 1 ± 1 . 2 0
 Change at week 1 0 . 2 2 ± 1 . 0 1 1 . 3 2 ± 0 . 8 6 0.017
 Change at week 2 0 . 0 1 ± 1 . 0 7 0 . 3 1 ± 1 . 2 7 0.553
𝑃 for trend 0.819 0.454

Phosphorus, mmol/24 hr
 Baseline 2 5 1 . 8 ± 7 8 . 8 2 2 2 2 . 6 ± 6 1 . 2 2
 Change at week 1 7 . 5 3 ± 2 4 . 9 4 8 2 . 6 8 ± 1 1 2 . 4 0.054
 Change at week 2 3 9 . 4 4 ± 1 2 0 . 6 3 5 . 7 6 ± 1 1 4 . 7 0.170
𝑃 for trend 0.218 0.446

Urea nitrogen, mol/24 hr
 Baseline 3 . 7 3 ± 1 . 2 6 3 . 4 4 ± 0 . 9 5
 Change at week 1 0 . 5 7 ± 1 . 0 1 0 . 2 9 ± 1 . 0 4 0.077
 Change at week 2 0 . 6 3 ± 1 . 3 2 0 . 2 6 ± 1 . 2 6 0.524
𝑃 for trend 0.629 0.780

Calcium, mmol/24 hr
 Baseline 3 6 . 0 6 ± 2 5 . 8 3 3 9 . 9 2 ± 2 3 . 7 1
 Change at week 1 3 . 7 5 ± 1 6 . 7 9 5 . 5 0 ± 1 2 . 7 5 0.182
 Change at week 2 0 . 5 5 ± 1 4 . 7 6 7 . 5 1 ± 1 3 . 4 1 0.218
𝑃 for trend 0.909 0.298

Sodium, mmol/24 hr
 Baseline 1 2 2 . 6 ± 4 0 . 8 2 1 3 1 . 4 ± 4 2 . 8 3
 Change at week 1 1 9 . 3 ± 3 3 . 3 9 4 . 2 ± 5 7 . 4 9 0.278
 Change at week 2 1 7 . 8 5 ± 6 5 . 9 3 1 . 5 ± 6 4 . 4 0 0.620
𝑃 for trend 0.493 0.919

* 𝑃 = 0 . 0 0 0 4 , 𝑃 = 0 . 0 1 7 , 𝑃 = 0 . 0 0 2 compared to baseline within treatment group using the MANOVA analysis.

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