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Table 3 Adjusted means of blood pressure and pulse according to the tertiles of dietary seaweed intakea

From: Seaweed intake and blood pressure levels in healthy pre-school Japanese children

  Tertiles of seaweed intakeb P-value Liner trend P
  low middle high   
Boys (n = 223) 75 74 74   
   Median (range) 0.06 (0,0.15) 0.36 (0.16,0.68) 1.11 (0.71,3.11)   
   SBP (mmHg)c 100.0 (97.1-103.0) 97.9 (94.9-100.8) 98.1 (95.1-101.0) 0.52 0.31
   DBP (mmHg)c 62.8 (60.2-65.3) 59.3 (56.7-61.8) 59.6 (57.1-62.2) 0.11 0.038
   Pulse (/min)c 93.4 (90.0-96.8) 94.2 (90.8-97.7) 93.3 (89.8-96.7) 0.91 0.89
Girls (n = 194) 65 65 64   
   Median (range) 0.07 (0,0.22) 0.44 (0.22,0.76) 1.30 (0.77,7.98)   
   SBP (mmHg)c 102.4 (99.4-105.4) 99.2 (96.2-102.2) 96.9 (93.9-99.9) 0.037 0.030
   DBP (mmHg)c 65.1 (62.2-67.9) 60.4 (57.5-63.3) 61.2 (58.4-64.1) 0.055 0.25
   Pulse (/min)c 98.8 (95.6-102.1) 96.3 (93.1-99.6) 94.2 (90.9-97.5) 0.15 0.092
  1. SBP, systolic blood pressure; DBP, diastolic blood pressure
  2. aAdjustments for age and BMI.
  3. bSeaweed intake was controlled for total energy intake by the nutrient density method.
  4. cEstimated mean and 95% confidence interval