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Table 1 Baseline characteristics of the study participants according to fatty liver index (n = 8,360)

From: Association between obesity phenotypes and non-alcoholic fatty liver: a large population- based study

Characteristic

Total

FLI < 60

FLI ≥ 60

P value *

Mean ± SD / n (%)

 

N (%)

8,360

5,053 (60.44)

3,307 (39.56)

-

Age (year)

47.60 ± 8.28

47.12 ± 8.41

48.34 ± 8.02

< 0.001

Sex

    

Men

3569 (42.69)

2226 (44.05)

1343 (40.61)

0.002

Women

4791 (57.31)

2827 (55.95)

1964 (59.36)

Residency

    

Urban

4954 (59.26)

2896 (57.31)

2058 (62.23)

0.001

Rural

3406 (40.74)

2157 (42.69)

1249 (37.77)

Socioeconomic status

    

Low

2871 (34.34)

1806 (35.74)

1065 (32.20)

0.004

Moderate

2796 (33.44)

1658 (32.81)

1138 (34.41)

High

2693 (32.21)

1589 (31.45)

1104 (33.38)

Physical activity

    

Low

2546 (30.45)

1367 (27.05)

1179 (35.65)

< 0.001

Moderate

4118 (49.26)

2487 (49.22)

1631 (49.32)

High

1696 (20.29)

1199 (23.73)

497 (15.03)

Smoking status

    

Current smoker

748 (8.95)

508 (10.05)

240 (7.26)

< 0.001

Former

645 (7.72)

350 (6.93)

295 (8.92)

Never

6967 (83.34)

4195 (83.02)

2772 (83.82)

Comorbidity

    

Dyslipidemia

3654 (43.71)

1676 (33.17)

1978 (59.51)

< 0.001

T2DM

740 (8.85)

274 (5.42)

466 (14.09)

< 0.001

CVD

1484 (17.75)

704 (13.93)

780 (23.59)

< 0.001

Hypertension

1357 (16.23)

663 (13.12)

694 (20.99)

< 0.001

Renal failure

85 (1.02)

40 (0.79)

45 (1.36)

0.011

Anthropometric indices

    

BMI (kg/m2)

27.69 ± 4.48

25.34 ± 3.04

31.28 ± 3.91

< 0.001

WHR

0.94 ± 0.06

0.92 ± 0.05

0.98 ± 0.05

< 0.001

BFM (kg)

25.62 ± 9.33

21.06 ± 6.61

32.60 ± 8.53

< 0.001

VFA (cm2)

125.72 ± 50.58

102.56 ± 39.48

161.11 ± 44.88

< 0.001

Liver enzymes

    

AST (mg/dl)

21.22 ± 8.79

20.50 ± 7.61

22.33 ± 10.25

< 0.001

ALT (mg/dl)

24.45 ± 14.27

21.78 ± 11.04

28.55 ± 17.34

< 0.001

GGT (mg/dl)

24.36 ± 19.74

19.10 ± 10.50

32.47 ± 26.60

< 0.001

Dietary intake

    

Energy intake (Kcal/day)

2508.48 ± 742.26

2494.52 ± 743.30

2529.82 ± 740.28

0.033

Whole grains (gr/day)

9.98 ± 0.85

9.57 ± 1.73

10.61 ± 0.22

< 0.001

Refined grains (gr/day)

502.17 ± 2.50

505.15 ± 2.10

497.61 ± 2.57

0.022

Dairy (gr/day)

442.05 ± 5.05

432.11 ± 4.87

457.24 ± 6.02

0.001

Vegetables (gr/day)

469.48 ± 3.5

455.12 ± 3.31

491.42 ± 4.10

0.001

Fruits (gr/day)

270.78 ± 2.84

261.13 ± 2.65

285.53 ± 3.28

< 0.001

Meat (gr/day)

72.96 ± 0.70

71.60 ± 0.66

75.04 ± 0.82

0.001

Egg (gr/day)

19.62 ± 0.27

20.43 ± 0.25

18.40 ± 0.31

< 0.001

Legumes (gr/day)

32.62 ± 0.30

32.88 ± 0.39

32.22 ± 0.48

0.288

Sweets and desserts (gr/day)

56.20 ± 0.52

58.03 ± 0.49

53.41 ± 0.61

< 0.001

  1. *P-values were obtained t-test and Chi square
  2. Abbreviation CVD cardiovascular disease; T2DM type 2 diabetes mellitus; ALT alanine aminotransferase; AST aspartate aminotransferase; GGT gamma-glutamyl transferase; BMI body mass index; WHR waist hip ratio; VFA visceral fat area; BFM Body fat mass; SES socioeconomic status