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TABLE D-3 Mean and Percentiles for Usual Intake of Iron (mg/day) from Food, CSFII (1994–1996)

Sex/Age Categorya

Number of Persons Examined

Mean

Percentile

5th

10th

Both sexes, 0 to 6 mo

157

14.6

7.6

8.9

Standard error

 

0.6

0.8

0.8

Both sexes, 7 to 12 mo

112

17.3

9.2

10.6

Standard error

 

0.7

0.5

0.5

Both sexes, 1 to 3 y

1,791

10.9

5.6

6.5

Standard error

 

0.2

0.1

0.1

Both sexes, 4 to 8 y

1,650

13.5

7.6

8.6

Standard error

 

0.2

0.2

0.1

M,9 to 13 y

552

18.2

10.0

11.4

Standard error

 

0.5

0.4

0.4

M 14 to 18 y

446

20.7

10.6

12.2

Standard error

 

0.8

0.4

0.4

M 19 to 30 y

854

19.2

10.3

11.9

Standard error

 

0.6

0.4

0.4

M 31 to 50 y

1,684

19.1

10.2

11.5

Standard error

 

0.4

0.3

0.2

M 51 to 70 y

1,606

17.5

9.3

10.7

Standard error

 

0.4

0.2

0.2

M 71+ y

674

16.4

8.5

9.7

Standard error

 

0.4

0.2

0.2

F 9 to 13 y

560

14.3

8.2

9.2

Standard error

 

0.4

0.2

0.2

F 14 to 18 y

436

13.5

7.4

8.5

Standard error

 

0.6

0.4

0.4

F 19 to 30 y

760

13.1

6.9

7.9

Standard error

 

0.4

0.2

0.3

F 31 to 50 y

1,614

13.1

7.1

8.0

Standard error

 

0.2

0.1

0.2

F 51 to 70 y

1,539

12.5

7.1

8.0

Standard error

 

0.2

0.1

0.1

F 71+ y

623

12.4

6.8

7.7

Standard error

 

0.3

0.2

0.2

F Pregnant

71

14.3

8.0

9.1

Standard error

 

4.3

4.1

4.3

F Lactating

42

18.6

9.5

10.8

Standard error

 

2.5

1.0

1.2

All Individuals

15,058

15.3

7.4

8.6

Standard error

 

0.1

0.1

0.1

All Indiv (+P/L)

15,170

15.3

7.4

8.6

Standard error

 

0.1

0.1

0.1

NOTE: Data are limited to individuals who provided two 24-hour dietary recalls and were adjusted using the Iowa State University method. Mean, standard errors, and percentiles were obtained using C-Side. Standard errors were estimated via jackknife replication. Each standard error has 43 degrees of freedom. Infants and children fed human milk were excluded from all analyses. One female was pregnant and lactating and was included in both the Pregnant and Lactating categories. The sample sizes for the Pregnant and Lactating categories were very small so their estimates of usual intake distributions are not reliable.



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