Table 5.

Birth order and childhood stature: Family fixed effects regression controlling for first born, sex, multiple birth, age in years

Sample restriction	Birth order co-efficient	z
All children (no restriction on n. measured kids)	−0.039	−3.68
Infants included, with dummy variable	−0.039	−3.65
Excluding infants	−0.048	−4.61
Children 2 and over	−0.060	−.4.61
Children in households with > 1 measured child	−0.035	−2.35
Infants included, with dummy variable	−0.036	−2.49
Excluding infants	−0.036	−2.38
Children 2 and over	−0.045	−5.30