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Table 1 Comparison of dietary energy and nutrients intake estimated from two 24-h diet recalls and the culture-specific food frequency questionnaires among pastoralists (N = 130)

From: Design and validation of a food frequency questionnaire to assess the dietary intake for adults in pastoral settings in Northern Tanzania

Energy and nutrients

2R24

CFFQ

Spearman’s rank correlation

Median

IQR

Median

IQR

r

95% CI

Energy (kcal/d)

2005.5

2289.2–1446.9

2403.9

4682.3–1544.4

0.31***

0.15; 0.46

Macronutrients

 Carbohydrates (g/d)

331.2

390–253.6

370.4

686.4–252.1

0.33***

0.18; 0.48

 Carbohydrates (% of energy)

68.1

78.4–60.3

62.2

66.7–58.1

− 0.09

− 0.27; 0.07

 Fat (g/d)

43.3

74.4–20.7

63.7

147.2–41.5

0.19*

0.02; 0.35

 Fat (% of energy)

21.7

30.2–12.2

27.5

30.6–22.4

− 0.04

− 0.17; 0.13

 Protein (g/d)

44.1

54–34.5

67.9

150.1–45.3

0.16

− 0.02; 0.33

 Protein (% of energy)

9.4

10.9–8.5

12.6

13.8–11.4

− 0.24

− 0.41; 0.05

 Cholesterol (g/d)

14.1

37.6–0

61.5

125.4–37.1

− 0.12

− 0.3; 0.06

 Fiber (g/d)

29.5

39.8–20.9

40.5

99.8–29.7

0.26**

0.10; 0.44

Micronutrients

 Calcium (mg/d)

170.2

349.0–80.3

573.4

1416.6–290.8

− 0.07

− 0.25; 0.14

 Phosphorous (mg/d)

1052

1322.7–818.3

1703.4

3593.9–1097.4

0.28**

0.11; 0.44

 Magnesium (mg/d)

444.5

606.3–310.8

619.7

1122.5–394.4

0.37***

0.22; 0.51

 Potassium (mg/d)

1964.6

2615–1379.1

3443.6

6769.8–2315.7

0.22**

0.07; 0.39

 Sodium (mg/d)

417.4

756–166.8

625.9

1271.4–417.3

0.12

− 0.05; 0.29

 Iron (mg/d)

14.1

19.2–8.8

18.1

43.1–13.0

0.34***

0.18; 0.50

 Zinc (mg/d)

8.2

10.3–6.1

9.5

20.5–6.5

0.21*

− 0.01; 0.35

 Vitamin A (µg RE/d)

98.7

184.5–45.6

694.9

911.1–269.9

− 0.12

− 0.28; 0.05

 Vitamin E (µg/d)

2.4

3.4–1.4

7.7

11.7–4.6

0.16*

0.02; 0.35

 Vitamin C (mg/d)

10.1

43.6–5

75.6

100.0–49.6

− 0.06

− 0.23; 0.13

 Vitamin B2 (mg/d)

1.2

1.4–0.8

1.9

3.7–1.0

0.23*

0.07; 0.40

 Vitamin B6 (mg/d)

1.3

1.5–1

1.9

3.1–1.2

0.22*

0.03; 0.39

 Vitamin B12 (µg/d)

0.4

1.3–0

1.5

3.4–0.8

− 0.14

− 0.31; − 0.04

  1. IQR = Interquartile range; Spearman correlations were used to assess the relationship of energy and nutrient intakes; Correlation was significant at *P ≤ 0.05, **P < 0.01, **P < 0.01 (2-tailed)
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BMC Research Notes

ISSN: 1756-0500

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