Research Article

Diet Quality Indices and Their Correlation with Glycemic Status and Lipid Profile in Patients with Type 2 Diabetes

Table 3

DQI-International (DQI-I) components and criteria used for maximum score and zero score (n = 235).

ComponentsScoreScoring criteriaMean ± SD

DQI-I, total0–10058.2 ± 7.34

Variety0–2019.77 ± 0.77
Overall food group variety0–15≥1 serving from each food group/d = 1514.88 ± 0.64
Any 1 food group missing/d = 12
Any 2 food groups missing/d = 9
Any 3 food groups missing/d = 6
≥4 food groups missing/d = 3; none = 0

Within-group variety for protein source0–5≥3 different sources/d = 5; 2 different sources/d = 3; from 1 source/d = 1; none = 04.88 ± 0.46

Adequacy0–4025.98 ± 5.53
Vegetable group0–5≥3–5 servings/d = 5; 0 servings/d = 01.42 ± 2.26
Fruit group0–5≥2–4 servings/d = 5; 0 servings/d = 01.00 ± 2.01
Grain group0–5≥6–11 servings/d = 5; 0 servings/d = 04.03 ± 1.98
Fiber0–5≥20–30 g/d = 5; 0 g/d = 03.53 ± 2.28
Protein0–5≥10% of energy/d = 5; 0% of energy/d = 04.90 ± 0.10
Iron0–5≥100% of RDA(AI)/d = 5; 0% of RDA(AI)/d = 04.98 ± 0.26
Calcium0–5≥10% of AI/d = 5; 0% of AI/d = 04.97 ± 0.32
Vitamin C0–5≥100% of RDA(RNI)/d = 5; 0% of RDA(RNI)/d = 04.70 ± 0.80

Moderation0–3012.45 ± 4.35
Total fat0–6≤20% of total energy (TE)/d = 6; >20–30% of TE/d = 3; >30% of TE/d = 03.13 ± 2.09
Saturated fat0–6≤7% of TE/d = 6; >7–10% of TE/d = 3; >10% of TE/d = 01.06 ± 0.71
Cholesterol0–6≤300 mg/d = 6; >300–400 mg/d = 3; >400 mg/d = 05.41 ± 1.48
Sodium0–6≤2,400 mg/d = 6; >2,400–3,400 mg/d = 3; >3,400 mg/d = 00.87 ± 1.80
Empty calorie foods0–63% of TE/d = 6; >3–10% of TE/d = 3; >10% of TE/d = 03.04 ± 2.47

Overall balance0–100.61 ± 1.71
Macronutrient ratio0–655–65 : 10–15 : 15–25 = 6; 52–68:9–16 : 13–27 = 4; 50–70:8–17 : 12–30 = 2; otherwise = 00.25 ± 1.21
Fatty acid ratio0–4P/S = 1–1.5 and M/S = 1–1.5 = 4; else if P/S = 0.8–1.7 and M/S = 0.8–1.7 = 2; otherwise = 00.36 ± 1.11

AI, adequate intake; d, day; M, monounsaturated fatty acid; P, polyunsaturated fatty acid, RDA, Recommended Dietary Allowances; S, saturated fatty acid; TE, total energy.