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Table 3 Dietary characteristics of normal-weight and obese adequate reporter women according to TNFA -308 G/A genotype

From: The -308 G/A polymorphism of the tumour necrosis factor-α gene modifies the association between saturated fat intake and serum total cholesterol levels in white South African women

 

Normal-weight, n = 74

Obese, n = 47

P-valuesa

GG

GA + AA

GG

GA + AA

BMI group

n

41

33

24

23

 

Energy intake, kJ/d

8899 (7276–9446)

9305 (8087–10295)

8860 (8081–10511)

10604 (8323–11768)

0.007

Protein, %E

15.2 (13.5–16.9)

13.6 (11.0–15.8)

16.0 (14.4–18.1)

14.8 (13.2–16.6)

0.111

CHO, %E

50.5 (47.4–56.5)

52.1 (49.6–55.8)

50.5 (47.7–54.5)

48.5 (44.3–52.1)

0.332

Fat, %E

29.5 (26.1–32.5)

30.9 (26.1–34.0)

30.8 (27.2–33.2)

33.2 (30.0–36.6)

0.128

SFA, %E

9.5 (8.3–11.8)

10.1 (8.5–12.2)

11.3 (9.7–13.0)

11.6 (10.4–12.5)

0.089

MUFA, %E

10.5 (8.5–11.9)

10.1 (8.9–11.5)

9.9 (9.2–11.5)

11.6 (10.3–13.1)

0.564

PUFA, %E

5.7 (4.7–7.8)

6.4 (4.5–8.0)

6.0 (5.1–8.0)

6.6 (5.3–7.7)

0.150

P:S ratio

0.57 (0.46–0.74)

0.59 (0.42–0.82)

0.55 (0.47–0.79)

0.58 (0.50–0.67)

0.889

(n-3) PUFA. %E

0.33 (0.27–0.41)

0.32 (0.27–0.37)

0.31 (0.27–0.39)

0.33 (0.27–0.41)

0.292

(n-6) PUFA, %E

5.3 (4.1–7.5)

5.7 (4.0–7.6)

5.5 (4.6–7.6)

6.1 (4.8–7.3)

0.134

(n-6):(n-3) PUFA ratio

15.4 (11.7–20.6)

17.1 (12.4–25.0)

16.5 (13.2–29.1)

17.1 (12.9–24.9)

0.088

ALA, %E

0.25 (0.22–0.28)

0.26 (0.21–0.30)

0.24 (0.21–0.27)

0.26 (0.21–0.33)

0.503

LA, %E

5.3 (4.1–7.4)

5.7 (4.0–7.6)

5.4 (4.5–7.6)

6.1 (4.8–7.3)

0.139

AA, %E

0.030 (0.020–0.040)

0.020 (0.020–0.030)

0.035 (0.030–0.043)

0.030 (0.030–0.040)

0.020

  1. Values are median (interquartile range)
  2. %E percentage of total energy intake, CHO carbohydrate, SFA saturated fat, MUFA monounsaturated fat, PUFA polyunsaturated fat, P:S ratio polyunsaturated fat : saturated fat ratio, (n-3) PUFA omega-3 polyunsaturated fatty acid, (n-6) PUFA omega-6 polyunsaturated fatty acid, (n-6):(n-3) PUFA ratio omega-6 : omega-3 polyunsaturated fatty acid ratio, ALA α-linolenic acid, LA linoleic acid, AA arachidonic acid
  3. aP-values are from a linear model testing the association with BMI group, adjusted for age