boys7482 {AGD} | R Documentation |
Growth of Dutch boys
Description
Height, weight, head circumference and puberty of 7482 Dutch boys.
Format
A data frame with 7482 rows on the following 9 variables:
- age
Decimal age (0-21 years)
- hgt
Height (cm)
- wgt
Weight (kg)
- bmi
Body mass index
- hc
Head circumference (cm)
- gen
Genital Tanner stage (G1-G5)
- phb
Pubic hair (Tanner P1-P6)
- tv
Testicular volume (ml)
- reg
Region (north, east, west, south, city)
Details
The complete sample of cross-sectional data from boys 0-21 years used to
construct the Dutch growth references 1997. Variables gen
and
phb
are ordered factors. reg
is a factor. Note: A 10% sample
from this data is available in data set boys
in the mice
package.
Author(s)
Stef van Buuren, 2012
Source
Fredriks, A.M,, van Buuren, S., Burgmeijer, R.J., Meulmeester JF, Beuker, R.J., Brugman, E., Roede, M.J., Verloove-Vanhorick, S.P., Wit, J.M. (2000) Continuing positive secular growth change in The Netherlands 1955-1997. Pediatric Research, 47, 316-323.
Fredriks, A.M., van Buuren, S., Wit, J.M., Verloove-Vanhorick, S.P. (2000). Body index measurements in 1996-7 compared with 1980. Archives of Disease in Childhood, 82, 107-112.