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Table 2 Total and component scores of the diet quality indices of the Chinese type 2 diabetic adults with and without obesity

From: Diet quality is inversely associated with obesity in Chinese adults with type 2 diabetes

Dietary component (score range)

All

(n = 211)

Non-obese T2D

(n = 105)

Obese T2D

(n = 106)

P-value

P-value adjusted for age and sex

AHEI-2010a

 Total score (0–110)

60.4 ± 12.0

63.1 ± 12.2

57.8 ± 11.3

0.001

< 0.001

 Component scores

  Vegetables (0–10)

4.4 ± 2.0

4.6 ± 2.1

4.2 ± 1.9

0.151

0.113

  Fruits (0–10)

3.2 ± 1.4

3.2 ± 1.4

3.1 ±1.4

0.598

0.625

  Whole grains (0–10)

3.9 ± 4.5

4.5 ± 4.5

3.3 ± 4.4

0.050

0.056

  Sugar-sweetened beverages and fruit juice (0–10)

7.1 ± 4.1

7.4 ± 3.8

6.9 ± 4.3

0.446

0.625

  Nuts and legumes (0–10)

7.3 ± 3.2

7.3 ± 3.1

7.4 ±3.5

0.889

0.536

  Red/processed meat (0–10)

3.1 ± 2.9

3.9 ± 2.8

2.4 ± 2.7

< 0.001

< 0.001

  Trans fat, % of total energy (0–10)

6.2 ± 3.4

6.4 ± 3.1

6.0 ± 3.6

0.373

0.604

  Long-chain omega-3 fats (EPA + DHA) (0–10)

9.2 ± 2.1

9.5 ± 1.5

8.9 ± 2.5

0.027

0.119

  PUFA, % of total energy (0–10)

7.9 ± 2.2

7.9 ± 2.1

7.9 ± 2.2

0.997

0.730

  Sodium (0–10)

5.3 ± 2.9

5.4 ± 3.1

5.1 ± 2.7

0.431

0.439

  Alcohol (0–10)

2.8 ± 1.5

3.0 ± 1.9

2.6 ±1.0

0.087

0.153

DQI-Ia

 Total score (0–94)

53.0 ± 7.5

54.3 ± 7.8

51.7 ± 7.0

0.012

< 0.001

 Component scores

  Variety (0–20)

18.3 ± 1.6

18.6 ± 1.5

17.9 ± 1.6

0.002

0.001

  Adequacy (0–30)

25.6 ± 5.3

25.6 ± 5.7

25.5 ± 5.0

0.882

0.948

  Moderation (0–24)

8.4 ± 4.9

9.3 ± 5.0

7.5 ± 4.6

0.010

0.029

  Overall balance (0–10)

0.7 ± 1.3

0.8 ± 1.4

0.7 ± 1.2

0.576

0.460

DASH scorea

 Total score (8–40)

22.6 ± 5.2

23.5 ±5.4

21.7 ± 4.8

0.016

0.044

 Component scores

  Fruits (1–5)

3.0 ± 1.4

3.0 ±1.4

3.0 ± 1.3

0.962

0.846

  Vegetables (1–5)

3.0 ± 1.4

3.1 ± 1.4

3.0 ± 1.4

0.626

0.638

  Nuts and legumes (1–5)

3.1 ± 1.4

3.0 ±1.4

3.1 ± 1.4

0.530

0.246

  Sodium (1–5)

3.1 ± 1.4

3.2 ± 1.5

3.0 ± 1.4

0.335

0.297

  Red and processed meat (1–5)

3.1 ± 1.4

3.5 ± 1.3

2.6 ± 1.4

< 0.001

< 0.001

  Whole grains (1–5)

2.3 ± 1.6

2.4 ± 1.6

2.1 ± 1.5

0.099

0.123

  Low-fat dairy (1–5)

1.8 ± 1.3

1.9 ± 1.4

1.7 ± 1.3

0.171

0.141

  Sweetened beverages (1–5)

3.5 ± 1.6

3.5 ± 1.6

3.4 ± 1.6

0.617

0.952

  1. Variables are presented as mean ± standard deviation
  2. aA higher total diet quality index score indicates a higher diet quality
  3. AHEI-2010 Alternate Healthy Eating Index-2010, DHA docosahexaenoic acid, DASH Dietary Approaches to Stop Hypertension score, DQI-I Diet Quality Index-International, EPA eicosapentaenoic acid, PUFA polyunsaturated fatty acids