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Table 1 General baseline characteristics of participants

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

  All subjects (n = 49) BBP (n = 25) Placebo (n = 24)
Weight (kg) 91.5 [62.5–130.4] 89.6 [62.5–126.5] 93.6 [71.6–130.4]
Height (cm) 171.0 [152.5–190.3] 170.8 [152.5–187.8] 171.3 [156.0–190.3]
BMI (kg/m2) 31.3 [23.4–47.1] 30.8 [23.4–47.1] 31.8 [25.7–39.7]
Waist circ. (cm) 104.1 [81.0–131.3] 101.7 [81.0–131.3] 106.6 [82.6–127.2]
Hip circ. (cm) 111.8 [92.2–141.8] 110.0 [92.2–141.8] 113.6 [99.8–132.9]
SBP (mmHg) 115 [94–134] 115[99–132] 114 [94–134]
DBP (mmHg) 72 [52–91] 72 [57–82] 72 [52–91]
Total-C (mmol/L) 4.40 [2.56–6.49] 4.55 [2.99–6.41] 4.24 [2.56–6.49]
TG (mmol/L) 1.43 [0.36–3.98] 1.63 [0.53–3.98] 1.22 [0.36–2.30]
HDL-C (mmol/L) 1.18 [0.74–2.07] 1.16 [0.74–1.99] 1.21 [0.85–2.07]
LDL-C (mmol/L) 2.56 [1.09–4.21] 2.64 [1.58–4.05] 2.48 [1.09–4.21]
Total-C/HDL-C 3.87 [1.97–6.97] 4.09 [2.42–6.97] 3.65 [1.97–6.73]
Fasting glucose (mmol/L)a 4.9 [4.0–6.4] 5.02 [4.1–5.7] 4.83 [4.0–6.4]
Fasting insulin (pmol/L)b 82 [31–184] 80.9 [31–184] 82.4 [43–169]
HbA1c (%) 0.051 [0.045–0.058] 0.051 [0.045–0.056] 0.051 [0.045–0.058]
Age (years) 36.0 [22–53] 35.2 [23–53] 36.7 [22–48]
Sex [n (% female)] 27 (55) 13 (52) 14 (58)
Highest education level completed [n (%)]
High school
College
University
4 (8)
16 (33)
29 (59)
3 (12)
6 (24)
16 (64)
1 (4)
10 (42)
13 (54)
Occupation [n (%)]
Student (full-time)
Student (part-time)
10 (20)
5 (10)
7 (28)
4 (16)
3 (13)
1 (4)
Annual household income $CDNc [n (%)]
0–39,999
40,000–79,000
80,000–99,000
≥ 100,000
10 (21)
15 (32)
9 (19)
13 (28)
7 (29)
8 (33)
4 (17)
5 (21)
3 (13)
7 (30)
5 (22)
8 (35)
  1. Values from weight through to age are raw means [range]
  2. Abbreviations: BMI, body mass index; Waist circ, waist circumference; Hip circ, hip circumference; SBP, systolic blood pressure; DBP, diastolic blood pressure; Total-C, total cholesterol; TG, triglycerides; HDL-C, HDL cholesterol; LDL-C, LDL cholesterol; HbA1c, glycated hemoglobin; BBP, blueberry powder
  3. an = 48 (24 for BBP and 24 for placebo)
  4. bn = 39 (21 for BBP and 18 for placebo)
  5. cn = 47 (24 for BBP and 23 for placebo)