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Table 3 Blood pressure and physical activity variables for study participants in the weight reduction intervention

From: Walnut consumption in a weight reduction intervention: effects on body weight, biological measures, blood pressure and satiety

  Standard reduced-energy-density diet Walnut-enriched reduced-energy diet p (between groups)
  n Mean(SE) n Mean(SE)  
Systolic blood pressure, mm Hg
 Baseline 51 123 (2) 49 124 (3) 0.77
 3 Months 49 117 (2) * 48 116 (2) * 0.73
 6 Months 49 119 (2) 46 118 (2) * 0.68
Diastolic blood pressure, mm Hg
 Baseline 51 82 (1) 49 82 (2) 0.72
 3 Months 49 77 (1) * 48 76 (1) * 0.57
 6 Months 49 78 (2) * 46 77 (1) * 0.70
Moderate/strenuous physical activity, minutes/week
 Baseline 51 120 (22) 49 133 (18) 0.53
 3 Months 51 328 (31) * 48 337 (33) * 0.84
 6 Months 49 351 (31) * 47 321 (29) * 0.48
% Meeting physical activity recommendations
 Baseline 51 25 49 45 0.04
 3 Months 51 78 48 79 0.93
 6 Months 47 85 47 81 0.58
Step test, heart rate/30s
 Baseline 51 57 (2) 49 60 (2) 0.14
 3 Months 47 47 (1) * 47 49 (1) * 0.33
 6 Months 47 45 (1)* 45 47 (1) * 0.18
  1. * Different from baseline within group, p < 0.01 for each