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Table 6 Odds ratio (95% CI) for obesity according to tertiles (T) of DQI-I

From: The association between meal-based diet quality index-international (DQI-I) with obesity in adults

Variables

DQI-Ia (breakfast)

DQI-I (Lunch)

DQI-I (Dinner)

T1

T2

T3

p-trend

T1

T2

T3

p-trend

T1

T2

T3

p-trend

Women

N:254

N:231

N:211

 

N:237

N:231

N:225

 

N:253

N:232

N:212

 

Obesityb

 Crude

1

1.27(0.78–2.05)

1.10(0.71–1.70)

0.25

1

0.98(0.63–1.50)

1.18(0.78–1.78)

0.72

1

0.78(0.52–1.18)

0.77(0.50–1.17)

0.25

 Model Ic

1

1.30(0.84–2.02)

1.12(0.71–1.74)

0.22

1

0.90(0.58–1.40)

1.29(0.83–1.99)

0.61

1

0.78(0.51–1.20)

0.76(0.49–1.17)

0.29

 Model IId

1

1.28(0.83–1.99)

1.11 (0.71–1.73)

0.20

1

0.91(0.58–1.41)

1.29(0.84–1.99)

0.65

1

0.78(0.41–1.20)

0.76(0.49–1.17)

0.22

 Men

N:27

N:51

N:72

 

N:43

N:53

N:53

 

N:29

N:49

N:72

 

 Crude

1

1.52(0.56–4.16)

0.63(0.24–1.60)

0.66

1

1.62(0.59–4.42)

1.75(0.59–4.60)

0.45

1

0.62(0.18–2.07)

1.24(0.53–2.88)

0.63

 Model I

1

1.30(0.47–3.84)

0.91(0.34–2.44)

0.71

1

1.33(0.47–3.73)

1.24(0.45–3.32)

0.58

1

0.61(0.18–2.12)

1.22(0.51–2.91)

0.86

 Model II

1

1.18(0.39–3.58)

0.85(0.31–2.34)

0.84

1

1.47(0.51–4.19)

1.26(0.46–3.47)

0.46

1

0.72(0.20–2.60)

1.33(0.53–3.25)

0.82

  1. a DQI-I diet quality index-international
  2. b Obesity is defined as body mass index (BMI) ≥ 30 kg/m2
  3. c Model 1: adjusted for age, educational level, occupation, marriage, smoking status, physical activity and other meals (breakfast or lunch or dinner, where appropriate)
  4. d Model 2: adjusted for age, educational level, occupation, marriage, smoking status, physical activity, other meals (breakfast or lunch or dinner, where appropriate) and energy intake
  5. P value: less than 0.05 was considered significant
  6. e Results are presented as odds ratios (OR) and 95% confidence intervals (CI)