Child body mass index data

A simulated dataset

Usage

bmi

Format

bmi A data frame with 1000 rows and 6 columns:

bmi7

Child's body mass index at age 7 years

matage

Mother's age at first pregnancy, standardised relative to a mean age of 30 years

mated

Mother's educational level: post-16 years qualification or not

pregsize

Mother's pregnancy size: singleton or twins

bwt

Child's birth weight in kilograms

r

Missingness indicator: whether bmi7 is reported or not