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Table 3 GDQS and its sub-metrics means across sociodemographic categories, individuals aging 10 years or older, Brazilian national dietary survey, 2017–2018

From: The global diet quality score as an indicator of adequate nutrient intake and dietary quality – a nation-wide representative study

Characteristics

GDQS

Possible range:

0 to 49

Mean (SE)

GDQS + 

Possible range:

0 to 32

Mean (SE)

GDQS-

Possible range:

0 to 17

Mean (SE)

All

14.50 (0.04)

4.61 (0.03)

9.88 (0.02)

Household locality

 Urban

14.51 (0.04)

4.60 (0.04)

9.91 (0.03)

 Rural

14.43 (0.07)

4.69 (0.06)

9.74 (0.04)

P value

0.393

0.146

0.331

Brazilian region

 North

13.55 (0.10)a

3.74 (0.09)a

9.81 (0.06)c

 Northeast

14.36 (0.05)b

4.84 (0.04)e

9.51 (0.03)a

 Midwest

14.84 (0.09)d

4.66 (0.08)c

10.18 (0.06)d

 Southeast

14.80 (0.07)c

4.69 (0.07)d

10.11 (0.06)d

 South

14.20 (0.09)b

4.42 (0.08)b

9.78 (0.05)b

P value

< 0.001

< 0.001

< 0.001

Income

 < 1 MW

14.26 (0.05)

4.44 (0.04)

9.82 (0.03)

 1 – 2 MW

14.51 (0.06)

4.66 (0.06)

9.85 (0.04)

 2 – 3 MW

14.69 (0.13)

4.72 (0.10)

9.97 (0.08)

 3 – 5 MW

14.65 (0.15)

4.79 (0.14)

9.86 (0.12)

 5 – 10 MW

15.20 (0.24)

4.94 (0.17)

10.27 (0.12)

 > 10 MW

16.77 (0.55)

6.01 (0.48)

10.76 (0.28)

P-trend

< 0.001

< 0.001

< 0.001

  1. P values refer to comparison of means non-parametric tests (Mann–Whitney test for comparisons between two groups and Kruskall-Wallis for comparison between more than two groups). Different letters indicate statistically significant differences between groups, after Tukey HSD correction for multiple tests. P-trend refer to the linear increase across income categories and were estimated using a simple linear regression model
  2. GDQS Global diet quality score, MW Minimum wage