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TABLE I-1 Estimated Average Requirements (EARs) for Schoolchildren and Reported Nutrient Intakes at the 5th Percentile and Median by Age-Grade Group and Gender

Nutrient

6–10 years

11–13 years

14–18 years

Males

(n=295)

Females

(n=317)

Males

(n=342)

Females

(n=342)

Males

(n=506)

Females

(n=512)

Protein (g/kg/d)

 

 

 

 

 

 

EAR

0.76

0.76

0.76

0.76

0.73

.71

Intake at 5th

1.5

1.5

1.1

0.7

0.9

0.5

Median Intake

2.4

2.3

1.8

1.4

1.5

1.1

Vitamin A (μg RAE/d)

 

 

 

 

 

 

EAR

343

333

445

445

630

485

Intake at 5th

352

367

373

236

280

175

Median Intake

631

614

689

529

635

439

Vitamin C (mg/d)

 

 

 

 

 

 

EAR

29

29

39

39

63

56

Intake at 5th

36

48

43

24

32

19

Median Intake

83

90

92

73

90

67

Vitamin E (mg αT/d)

 

 

 

 

 

 

EAR

7.2

7.2

9.0

9.0

12.0

12.0

Intake at 5th

4.9

3.4

4.1

2.6

4.2

2.6

Median Intake

6.0

5.2

6.5

5.4

7.2

5.3

Thiamin (mg/d)

 

 

 

 

 

 

EAR

0.6

0.6

0.7

0.7

1.0

0.9

Intake at 5th

1.0

1.0

1.2

0.7

1.1

0.7

Median Intake

1.6

1.5

1.7

1.4

1.9

1.3

Riboflavin (mg/d)

 

 

 

 

 

 

EAR

0.6

0.6

0.8

0.8

1.1

0.9

Intake at 5th

1.4

1.4

1.6

1.0

1.4

0.8

Median Intake

2.3

2.2

2.5

2.0

2.6

1.7

Niacin (mg/d)

 

 

 

 

 

 

EAR

7.2

7.2

9.0

9.0

12.0

11.0

Intake at 5th

13.9

12.9

15.1

10.8

18.1

9.6

Median Intake

20.5

19.9

22.5

19.6

27.1

18.2

Vitamin B6 (mg/d)

 

 

 

 

 

 

EAR

0.6

0.6

0.8

0.8

1.1

1.0

Intake at 5th

1.2

1.0

1.2

0.8

1.5

0.7

Median Intake

1.7

1.6

1.9

1.6

2.2

1.4

Folate (μg DFE/d)

 

 

 

 

 

 

EAR

196

196

250

250

330

330

Intake at 5th

310

322

415

228

361

219

Median Intake

553

536

640

477

647

442

Vitamin B12 (μg/d)

 

 

 

 

 

 

EAR

1.2

1.2

1.5

1.5

2.0

2.0

Intake at 5th

2.5

2.5

3.9

2.0

3.0

1.4

Median Intake

5.1

4.6

6.0

4.5

6.1

3.8

Iron (mg/d)

 

 

 

 

 

 

EAR

4.8

4.7

5.9

5.7a

7.7

7.9

Intake at 5th

8.5

8.6

10.9

6.9

10.6

6.0

Median Intake

14.6

13.9

16.2

13.3

17.9

11.8



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