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TABLE E-8 Mean and Percentiles for Usual Intake of Silicon (mg/day) from Food, Total Diet Study (1991–1997)

Sex/Age Categorya

Number of Persons Examined

Mean

Percentile

1st

5th

Both sexes, 0 to 6 mo

204

51.33

0.13

0.73

Standard error

 

3.43

0.23

0.27

Both sexes, 7 to 12 mo

139

43.42

2.25

4.15

Standard error

 

3.37

0.00

0.43

Both sexes, 1 to 3 y

1,908

15.34

3.16

5.20

Standard error

 

0.26

0.18

0.09

Both sexes, 4 to 8 y

1,711

15.52

4.50

6.75

Standard error

 

0.15

0.27

0.08

M 9 to 13 y

574

20.13

5.75

8.10

Standard error

 

0.36

0.34

0.19

M 14 to 18 y

474

24.76

6.59

8.61

Standard error

 

0.70

0.49

0.17

M 19 to 30 y

920

41.87

4.31

7.64

Standard error

 

1.48

0.32

0.18

M 31 to 50 y

1,805

36.58

5.36

8.74

Standard error

 

0.80

0.26

0.12

M 51 to 70 y

1,680

30.58

4.86

8.27

Standard error

 

0.66

0.30

0.12

M 71+ y

722

24.46

3.28

6.23

Standard error

 

0.74

0.40

0.17

F 9 to 13 y

586

16.57

4.68

6.52

Standard error

 

0.29

0.31

0.17

F 14 to 18 y

455

17.10

3.85

5.59

Standard error

 

0.40

0.35

0.20

F 19 to 30 y

880

21.43

3.85

6.07

Standard error

 

0.60

0.29

0.14

F 31 to 50 y

1,733

20.63

4.12

6.32

Standard error

 

0.33

0.25

0.09

F 51 to 70 y

1,605

19.25

3.43

6.09

Standard error

 

0.26

0.20

0.12

F 71+ y

669

18.04

2.92

5.73

Standard error

 

0.35

0.29

0.19

F Pregnant

81

22.26

4.61

7.68

Standard error

 

1.26

0.00

0.61

F Lactating

44

26.77

0.00

8.75

Standard error

 

1.80

0.00

0.45

All Individuals

15,941

23.92

3.52

6.35

Standard error

 

0.19

0.08

0.03

All Indiv (+P/L)

16,065

23.92

3.53

6.36

Standard error

 

0.19

0.08

0.03

a M = male, F = female, P/L = pregnant and lactating.

SOURCE: Health Technomics, Inc., 2000.



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