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Table 3 Indices of cardiometabolic health over time by intervention group

From: An 8-week freeze-dried blueberry supplement impacts immune-related pathways: a randomized, double-blind placebo-controlled trial

  Week 0 Week 4 Week 8 P values
  BBP
n = 25
Placebo
n = 24
BBP
n = 25
Placebo
n = 24
BBP
n = 25
Placebo
n = 24
Treatment Time Treatment × Time
Weight (kg) 89.6 ± 17.7 93.6 ± 15.3 90.3 ± 18.1 93.8 ± 15.4 90.1 ± 18.1 93.8 ± 15.4 0.44 0.007 0.39
BMI (kg/m2) 30.8 ± 6.2 31.8 ± 3.8 31.0 ± 6.3 31.9 ± 3.9 30.9 ± 6.3 31.9 ± 3.8 0.36 0.02 0.47
Waist circ (cm) 101.7 ± 13.3 106.6 ± 10.4 102.0 ± 14.5 106.5 ± 10.9 101.5 ± 14.4 107.0 ± 11.1 0.17 0.95 0.26
SBP (mmHg) 115 ± 9 114 ± 10 115 ± 8 113 ± 13 114 ± 8 114 ± 13 0.74 0.87 0.69
DBP (mmHg) 72 ± 7 72 ± 10 73 ± 7 70 ± 9 73 ± 7 73 ± 9 0.59 0.55 0.33
Total-C (mmol/L) 4.55 ± 1.03 4.24 ± 0.88 4.65 ± 1.02 4.39 ± 0.92 4.57 ± 0.97 4.32 ± 0.82 0.30 0.22 0.91
TG (mmol/L) 1.63 ± 0.96 1.22 ± 0.41 1.85 ± 0.96 1.30 ± 0.65 1.74 ± 0.77 1.35 ± 0.42 0.02 0.10 0.45
HDL-C (mmol/L) 1.16 ± 0.29 1.21 ± 0.28 1.16 ± 0.32 1.27 ± 0.30 1.15 ± 0.33 1.20 ± 0.24 0.18 0.08 0.19
LDL-C (mmol/L) 2.64 ± 0.81 2.48 ± 0.80 2.63 ± 0.70 2.52 ± 0.81 2.63 ± 0.80 2.51 ± 0.69 0.54 0.93 0.89
Fasting glucose (mmol/L)a 5.02 ± 0.43 4.83 ± 0.43 5.16 ± 0.43 4.95 ± 0.50 5.03 ± 0.31 4.94 ± 0.48 0.13 0.04 0.40
Fasting insulin (pmol/L)b 80.9 ± 33.4 82.4 ± 36.5 87.5 ± 66.7 81.0 ± 44.6 96.7 ± 47.8 95.9 ± 44.5 0.73 0.02 0.92
HbA1C (%)c 0.051 ± 0.003 0.051 ± 0.003 0.052 ± 0.003 0.050 ± 0.002 0.052 ± 0.003 0.051 ± 0.003 0.17 0.14 0.67
  1. Results are presented as raw means ± SD. P-values are unadjusted. Analyses were conducted using the MIXED procedure with SAS version 9.4. Significant P values are in bold. The following non-normally distributed variables were log10 transformed: BMI and fasting insulin. HDL-C was inverse transformed
  2. Abbreviations: BMI body mass index, Waist circ waist circumference, SBP systolic blood pressure, DBP diastolic blood pressure, Total-C total cholesterol, TG triglycerides, HDL-L HDL-cholesterol, LDL-C LDL-cholesterol, HbA1c glycated hemoglobin, BBP blueberry powder
  3. aBBP: n=24 (week 0), n=25 (week 4 and 8); Placebo: n=24 (week 0 and 4), n=23 (week 8)
  4. bBBP: n=21 (week 0), n=24 (week 4), n=22 (week 8); Placebo n=18 (week 0), n=24 (week 4), n=20 (week 8)
  5. cBBP: n=25 (week 0 and 8), n=24 (week 4); Placebo n=24 (week 0, 4 and 8)