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Table 2 Summary statistics for the ACAES FFQ2, the average of ACAES FFQ1 and ACAES FFQ2 and the average of (3 or 4) assisted food records (FRs)

From: Reproducibility and comparative validity of a food frequency questionnaire for Australian children and adolescents

Nutrient

Average of ACAES FFQ1 & ACAES FFQ2

(n = 101)

ACAES FFQ2

(n = 113)

Assisted FRs

(n = 113)

 

Median

Interquartile range

Median

Interquartile range

Median

Interquartile range

Energy (kJ)

10,483

7,500 - 12,711

10,001

6,611 - 13,056

9,272

8,031 - 10,388

Protein (g)

96

63 - 118

91

60 - 119

80

66 - 94

Total fat (g)

88

65 - 110

86

57 - 110

83

71 - 98

Saturated fat (g)

43

28 - 52

42

26 - 52

37

31 - 46

Polyunsaturated fat (g)

8

7 - 11

8

5 - 11

9

8 - 11

Monounsaturated fat (g)

30

22 - 38

29

19 - 37

29

25 - 34

Carbohydrate (g)

323

227 - 393

278

200 - 410

279

234 - 319

Sugars (g)

188

135 - 251

176

108 - 238

139

109 - 165

Fibre (g)

26

17 - 34

22

15 - 32

18

15 - 23

Thiamin (mg)

1.8

1.3 - 2.6

1.8

1.2 - 2.4

1.9

1.4 - 2.4

Riboflavin (mg)

2.7

1.9 - 3.6

2.4

1.8 - 3.3

2.2

1.5 - 3.1

Niacin (mg)

23

16 - 29

20

14 - 30

21

17 - 25

Niacin Eqv (mg)

41

28 - 52

38

26 - 55

38

30 - 43

Vitamin C (mg)

112

83 - 183

104

72 - 158

119

70 - 176

Folate (μg)

294

230 - 431

277

189 - 381

277

219 - 345

Vitamin A (μg)

1,262

913 - 1756

1,196

794 - 1838

779

576 - 1132

Retinol (μg)

616

411 - 1,127

618

364 - 1120

440

328 - 563

Betacarotene (μg)

3,044

2,087 - 4,606

2,800

1,651 - 4,770

1,679

945 - 3504

Magnesium (mg)

360

262 - 461

329

232 - 428

254

220 - 313

Calcium (mg)

1,078

779 - 1,476

1,077

721 - 1,383

809

642 - 1043

Iron (mg)

14

10 - 17

12

8 - 17

12

9 - 14

Zinc (mg)

13

9 - 16

12

8 - 16

11

9 - 12