identification number from 1 to 150
area
sex of father
age of father
height of father in inches
weight of father in pounds
fvc father
fev1father
sex of mother
age of mother
height of mother in inches
weight of mother in pounds
fvc mother
fev1 mother
sex, oldest child
age of oldest child
height of oldest child
weight of oldest child
fvc oldest child
fev1 oldest child
sex of middle child
age of middle child
height of middle child
weight of middle child
fvc middle child
fev1 middle child
sex of youngest child
age of youngest child
height of youngest child
weight of youngest child
fvc youngest child