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Table 1 Characteristics* of study participants

From: Plasma metabolomic profiling of amino acids and polar lipids in Iranian obese adults

Charactristics*

Total (n = 300)

Control (n = 200)

Case (n = 100)

p †

Gender

 Female [n(%)]

171 (57)

113 (56.5)

58 (58)

0.710

Age (y)

36 (31–42)

36 (31–42)

36 (31.8–42)

0.620

BMI (kg/m2)

32.4 (24.7–35.9)

23.1 (21.8–24.3)

34.1 (32.1–37.2)

<0.001

Education (y)

14 (12–16)

16 (12–18)

12 (12–16)

<0.001

DBP (mmHg)

80 (75–85)

71 (70–80)

80 (80–90)

<0.001

SBP (mmHg)

120 (110–125)

110 (100–118)

120 (115–130)

<0.001

Diet and Physical Activity

 Carbohydrate intake (g/day)

282.9 (227.6–348)

257.6 (207.3–307.2)

298.4 (235.7–362.4)

<0.001

 Fat intake (g/day)

81.5 (62.7–102.7)

77.7 (60.2–96.4)

83.1 (63.1–104.4)

0.137

 Protein intake (g/day)

72.2 (57.8–89.8)

72.2 (56.9–87.7)

72.495 (59–89.9)

0.472

 Total caloric intake (kcal/d)

2128 (1773–2584)

2027 (1699–2306)

2197 (1807–2652)

0.007

 Total physical activity (MET-hours/week)

422.2 (51.1–993)

495 (222.7–911.5)

396 (0–1070)

0.095

  1. *Median(IQRs) or n (%)
  2. †Comparison across cases (obese adults) and controls (lean adults). Wilcoxon signed rank test and Chi-square tests were used for continuous and categorical variables, respectively
  3. Abbreviations: BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure