TABLE F-4 Serum β-Carotene (µg/dL) of Persons Aged 4 Years and Older: Mean and Selected Percentiles, United States, NHANES III, 1988–1994

Sexa and Age, y

Number of Persons Examined

Selected Percentiles

Mean

1st

5th

Both sexes, 4–8

2,834

18.7

6.0

8.2

Standard error

 

0.3

0.5

0.2

M, 9–13

1,072

16.7

4.5

6.3

Standard error

 

0.6

0.2

0.3

M, 14–18

816

12.4

3.8

5.1

Standard error

 

0.4

0.2

0.3

M, 19–30

1,782

12.9

2.4

4.0

Standard error

 

0.5

0.2

0.2

M, 31–50

2,388

16.2

2.2

4.1

Standard error

 

0.5

0.1

0.2

M, 51–70

1,892

19.5

2.3

4.7

Standard error

 

0.6

0.2

0.4

M, 71+

1,193

23.4

3.3

5.7

Standard error

 

0.9

0.5

0.2

F, 9–13

1,094

15.7

5.0

6.7

Standard error

 

0.4

0.2

0.2

F, 14–18

937

14.3

4.3

5.6

Standard error

 

0.6

0.2

0.2

F, 19–30

2,028

15.0

2.7

4.6

Standard error

 

0.4

0.2

0.1

F, 31–50

2,839

21.7

3.2

5.7

Standard error

 

0.5

0.2

0.2

F, 51–70

1,955

26.4

3.7

6.4

Standard error

 

0.8

0.4

0.3

F, 71+

1,289

31.1

5.4

8.4

Standard error

 

1.0

0.4

0.4

All individuals

22,119

18.9

3.0

5.2

Standard error

 

0.3

0.1

0.1

a M = male, F = female.

SOURCE: Iowa State University Department of Statistics, 1999.



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