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Table 2 Mean dietary salt and sodium intake estimated by food frequency questionnaire, 24-h dietary recalls and measured 24-h urinary sodium excretion

From: Validation and reproducibility of a semi-qualitative food frequency questionnaire for assessment of sodium intake in Iranian population

 

Adults

Children

FFQ

24DRs

P**

Overestimation (%)

24hUNa

P

Overestimation (%)

FFQ

24DRs

P

Overestimation (%)

Mean ± SDa

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

Time 1:

 Salt (r/d)

10.21 ± 1.51

9.13 ± 1.43

0.009

11.7

9.60 ± 1.45

0.081

6.3

9.30 ± 1.34

9.16 ± 1.34

0.002

1.5

 Sodium (mg/d)

4080.42 ± 602.34

3652.12 ± 578.65

0.008

11.7

3840.12 ± 580.56

0.084

6.3

3720.81 ± 1560.19

3662.32 ± 1559.87

< 0.001

1.5

Time 2:

 Salt (g/d)

10.32 ± 1.35

9.13 ± 1.43

0.003

13.00

9.12 ± 1.64

< 0.001

13.1

9.29 ± 1.33

9.16 ± 1.34

0.008

1.4

 Sodium (mg/d)

4128.45 ± 539.17

3652.12 ± 578.65

0.002

13.00

3647.29 ± 654.73

< 0.001

13.1

3716.50 ± 1320.37

3662.82 ± 1559.87

0.001

1.4

  1. FFQ Food frequency questionnaire, 24DRs 24-h dietary recalls, 24hUNa 24-h urinary sodium excretion
  2. **P P. value
  3. aSD Standard deviation
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Nutrition Journal

ISSN: 1475-2891

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