ID
Childs's head circumference (inches)
Child's length (inches)
Child's birth weight (lbs)
Gestation (weeks)
Maternal age (years)
Maternal smoking (cig./day)
Maternal height (in.)
Maternal pre-pregnancy weight (lb)
Paternal age (yrs)
Paternal education (yrs)
Paternal smoking (cig/day)
Paternal height (in)