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Table 1 General information and scores of diet quality index-international (DQI-I) and its components among cases and controls

From: International diet quality index and revised diet quality index relationship with non-alcoholic fatty liver disease: a case-control study

Variables

Cases (n = 225)

Controls(n = 450)

P-value*

Demographic data

   

Age, (year)

38.3 ± 8.7

37.8 ± 8.9

0.296

Male, (%)

55.6

51.8

0.354

Body mass index (Kg/m2)

30.5 ± 4.0

25.0 ± 3.0

< 0.001

Physical activity (MET/min/week)

1119 ± 616

1590 ± 949

< 0.001

Smoking (yes, %)

7.1

2.7

0.006

Education level (Bachelor and higher, %)

44.9

47.8

0.478

Family size (> 4 member, %,)

85.5

57.3

< 0.001

House acquisition (yes, %)

61.8

71.8

0.008

Foreign travel (yes, %)

23.6

12.0

< 0.001

Income (high, %)

24.9

4.7

< 0.001

Socio economic status (%)

  

< 0.001

Low (%)

21.3

31.6

 

Middle (%)

33.8

40.4

 

High (%)

44.9

28.0

 

DQI-I components (per 1000 Kcal)

   

Variety score

7.51 ± 1.80

7.78 ± 2.00

0.105

Overall food group variety score

6.38 ± 1.62

6.80 ± 1.80

0.004

Variety for protein source score

1.13 ± 0.64

0.98 ± 0.68

0.007

Adequacy score

16.5 ± 3.7

17.8 ± 4.2

< 0.001

Vegetable group score

1.67 ± 0.64

1.98 ± 0.79

< 0.001

Fruit group score

1.86 ± 0.70

1.99 ± 0.72

0.019

Grain group score

2.11 ± 0.57

2.20 ± 0.66

0.087

Fiber score

2.21 ± 0.54

2.36 ± 0.64

0.002

Protein score

2.30 ± 0.65

2.50 ± 0.78

0.002

Iron score

2.23 ± 0.57

2.38 ± 0.70

0.006

Calcium score

2.08 ± 0.50

2.18 ± 0.52

0.014

Vitamin C score

2.04 ± 0.61

2.19 ± 0.63

0.004

Moderation score

5.7 ± 3.4

6.4 ± 3.8

0.020

Saturated fat score

0.96 (0.00–1.54)

0.00 (0.00–1.49)

0.517

Cholesterol score

2.51 ± 1.13

2.70 ± 1.29

0.044

Sodium score

0.00 (0.00–1.63)

0.00 (0.00–1.94)

0.093

free-calorie foods score

0.00 (0.00–1.15)

1.02 (0.00–1.44)

< 0.001

Overall balance score

0.81 (0.00–1.60)

0.66 (0.00–1.60)

0.699

Macronutrient ratio (carbohydrate:protein: fat) score

0.00 (0.00–1.23)

0.00 (0.00–1.18)

0.751

Fatty acid ratio (PUFA:MUFA: SFA) score

0.00 (0.00–0.69)

0.00 (0.00–0.00)

0.140

DQI-I score (per 1000 Kcal)

30.7 ± 8.3

33.0 ± 9.4

0.002

  1. Data are reported mean ± SD or median (25–75 interquartile range) for continuous variables and percentages for categorical variables
  2. *P-value was determined using the independent two-sample t-test and Chi-square test for continuous and categorical variables, respectively
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BMC Gastroenterology

ISSN: 1471-230X

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