TABLE F-1 Continued

Sexa and Age, y

Number of Persons Examined

Selected Percentiles

   

Mean

1st

5th

F, 9–13

1,045

1.0

0.24

0.4

Standard error

 

0.03

0.03

0.03

F, 14–18

906

0.9

0.15

0.3

Standard error

 

0.04

0.03

0.03

F, 19–30

1,973

0.7

0.11

0.2

Standard error

 

0.02

0.01

0.03

F, 31–50

2,778

0.8

0.09

0.2

Standard error

 

0.02

0.009

0.01

F, 51–70

1,907

0.9

0.12

0.3

Standard error

 

0.03

0.01

0.02

F, 71+

1,251

1.0

0.14

0.3

Standard error

 

0.02

0.02

0.02

All individuals

19,899

0.8

0.09

0.2

Standard error

 

0.01

0.006

0.01

a M = male, F = female.

SOURCE: Iowa State University Department of Statistics, 1999.



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement