Table 3 The analysis of α-tocopherol levels on risk factors

TC level

 Hypercholesterolemia (total cholesterol ≥ 5.2 mmol/L)

155 (18.32%)

84 (54.19%)

51 (43–57)

32.5 (26.00–39.74)

5.65 (4.58–6.93)

4.36 (3.60–5.16)

 Normal (total cholesterol < 5.2 mmol/L)

691 (81.68%)

387 (56.01%)

45 (34–56)

26.7 (22.45–31.58)

6.35 (5.46–7.55)

4.91 (4.22–5.73)

 P

0.681

 < 0.001

 < 0.001

 < 0.001

 < 0.001

Blood pressure

 High blood pressure (≥ 140/90 mmHg)

210 (24.82%)

145 (69.05%)

56 (46–70)

28.32 (22.92–34.48)

6.36 (5.29–7.80)

4.72 (3.90–5.46)

 Normal (< 140/90 mmHg)

636 (75.18%)

326 (51.25%)

44 (33–53)

27.16 (22.89–32.50)

6.16 (5.32–7.37)

4.90 (4.16–5.70)

 P

 < 0.001

 < 0.001

0.105

0.560

0.020

BMI

  < 18.5 (under weight)

23 (2.72%)

4 (17.39%)

27 (21–29)

24.61 (21.41–28.32)

6.48 (5.42–8.12)

5.35 (4.51–6.13)

 18.5–24.9 (normal weight)

488 (57.68%)

223 (45.70%)

47 (35–56)

27.40 (22.62–33.20

6.18 (5.37–7.42)

4.96 (4.22–5.87)

 25.0–29.9 (over weight)

303 (35.82%)

222 (73.27%)

49 (40–57)

27.40 (23.45–33.20)

6.26 (5.26–7.61)

4.64 (3.88–5.45)

  ≥ 30.0 (obese)

32 (3.78%)

22 (68.75%)

41 (32–62)

28.32 (22.54–32.97)

6.26 (4.89–7.02)

4.48 (3.78–5.30)

 P

 < 0.001

 < 0.001

0.128

0.576

0.094