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Table 1 Sociodemographic, anthropometric, biochemical and polymorphism characteristics of the study groups

From: PPARG2 Pro12Ala polymorphism influences body composition changes in severely obese patients consuming extra virgin olive oil: a randomized clinical trial

Variable Total
n = 149
OO
n = 50
DieTBra
n = 49
DieTBra + OO
n = 50
Age 39.63 ± 8.82 38.14 ± 8.14 39.14 ± 8.16 41.60 ± 9.85
Sex
 Female 127 (85.2) 45 (90.0) 40 (81.6) 42 (84.0)
 Male 22 (14.8) 5 (10.0) 9 (18.4) 8 (16.0)
Years of schooling 9.60 ± 3.05 9.66 ± 2.95 9.86 ± 2.96 9.28 ± 3.26
Social status
 A/B 34 (22.8) 13 (26.0) 10 (20.4) 11 (22.0)
 C 64 (43.0) 20 (40.0) 24 (49.0) 20 (40.0)
 D/E 51 (34.2) 17 (34.0) 15 (30.6) 19 (38.0)
Weight (kg) 118.81 ± 19.47 117.38 ± 18.69 120.44 ± 20.85 118.64 ± 19.10
Height (m) 1.60 ± 0.07 1.60 ± 0.07 1.61 ± 0.08 1.60 ± 0.06
BMI (kg/m2) 46.04 ± 6.41 45.77 ± 6.27 46.22 ± 6.26 46.13 ± 6.79
Fat mass (kg)* 54.05 ± 11.04 52.39 ± 11.77 55.21 ± 8.32 54.37 ± 11.03
Fat free mass (kg)* 53.42 ± 8.04 53.49 ± 7.92 54.16 ± 7.42 52.64 ± 8.81
Body fat percentage (%)* 51.62 ± 5.18 50.56 ± 5.11 51.54 ± 4.70 52.63 ± 5.60
Lean mass (kg)* 51.07 ± 7.93 51.07 ± 7.81 51.84 ± 7.5 50.33 ± 8.60
Fasting glucose (mg/dL) 109.95 ± 45.24 104.44 ± 29.03 107.43 ± 35.15 117.94 ± 63.45
Fasting insulin (μU/mL) 23.42 ± 14.86 25.24 ± 17.74 24.40 ± 14.64 20.65 ± 11.39
HOMA-IR 6.40 ± 4.89 6.78 ± 5.87 6.68 ± 4.76 5.75 ± 3.87
HbA1c (%) 6.30 ± 1.43 6.13 ± 1.27 6.26 ± 1.42 6.52 ± 1.58
Total cholesterol (mg/dL) 189.12 ± 38.10 187.74 ± 37.59 184.31 ± 33.40 195.22 ± 42.61
HDL cholesterol (mg/dL) 47.62 ± 11.35 47.18 ± 10.32 48.45 ± 10.51 47.26 ± 13.16
LDL cholesterol, (mg/dL) 109.44 ± 35.48 106.94 ± 29.96 106.40 ± 32.56 114.76 ± 42.51
Triglyceride (mg/dL) 160.31 ± 78.40 160.46 ± 79.86 154.76 ± 87.76 165.6 ± 67.72
MVPA (min/week) 44.29 ± 61.11 46.85 ± 56.89 49.10 ± 69.57 37.04 ± 56.83
Sedentary time (min/d) 1176.85 ± 83.28 1171.35 ± 73.25 1171.24 ± 81.74 1187.85 ± 8.12
Pro12Ala polymorphism
 ProPro 126 (86.9) 43 (43.4) 41 (40.8) 42 (41.7)
 ProAla+AlaAla 19 (13.1) 7 (6.6) 6 (6.2) 6 (6.3)
 Pro alelle 270 (93.1) 92 (92.0) 88 (93.6) 90 (93.8)
 Ala alelle 20 (6.9) 8 (8.0) 6 (6.4) 6 (6.2)
-174G > C polymorphism§
 GG 96 (65.3) 38 (39.6) 29 (30.2) 29 (30.2)
 CG + CC 51 (34.7) 12 (23.5) 18 (35.3) 21 (41.2)
 G alelle 238 (81.0) 87 (87.0) 75 (79.8) 76 (76.0)
 C alelle 56 (19.0) 13 (13.0) 19 (20.2) 24 (24.0)
  1. There was no difference among the groups for any variable. Data are shown as absolute means ± SD or N (%). OO: olive oil group, DieTBra: traditional Brazilian diet group, DieTBra+OO: traditional Brazilian diet plus olive oil group, BMI: Body Mass Index, HOMA-IR: homeostatic model assessment for insulin resistance, HbA1c haemoglobin A1c, HDL high-density lipoprotein, LDL low-density lipoprotein, MVPA moderate-to-vigorous physical activity
  2. *n = 111, OO: n = 34, DieTBra: n = 38, DieTBra+OO: n = 39, n =140, OO: n = 47, BraDiet: n = 46, BraDiet+OO: n = 47, n = 145, §n = 147