Table 3.

Prediction of neonatal behaviour for high levels of Hb at the end of pregnancy in the sample of healthy and well-nourished pregnant women and their full-term, normal-weight newborns (n 210), Reus, Spain, 2004–2008

	Independent variables	B	P value	Model parameters
Third trimester
State regulation cluster	Unadjusted model
	Hb levels			F 2,203=3·8; P=0·024
	Normal v. haemoconcentration risk	−1·186	0·007
	Normal v. anaemia	−0·023	0·924
	Adjusted model
	Hb levels			F 2,189=3·8; P=0·018
	Normal v. haemoconcentration risk	−1·273	0·006
	Normal v. anaemia	−0·061	0·809
Alert quality	Unadjusted model
	Hb levels			F 2,203=2·6; P=0·075
	Normal v. haemoconcentration risk	−1·475	0·020
	Normal v. anaemia	−0·317	0·406
	Adjusted model
	Hb levels			F 3,189=3·7; P=0·020
	Normal v. haemoconcentration risk	−1·848	0·006
	Normal v. anaemia	−0·376	0·320
	Weight of the newborn (g)	0·001	0·027
Delivery
State regulation cluster	Unadjusted model
	Hb levels			F 2,203=3·0; P=0·052
	Normal v. haemoconcentration risk	−0·748	0·023
	Normal v. anaemia	−0·048	0·683
	Adjusted model
	Hb levels			F 2,189=2·7; P=0·019
	Normal v. haemoconcentration risk	−0·796	0·021
	Normal v. anaemia	−0·079	0·804
Robustness and endurance	Unadjusted model
	Hb levels			F 2,203=2·8; P=0·062
	Normal v. haemoconcentration risk	−1·153	0·023
	Normal v. anaemia	−0·667	0·172
	Adjusted model
	Hb levels			F 3,189=5·2; P=0·002
	Normal v. haemoconcentration risk	−0·921	0·005
	Normal v. anaemia	−0·492	0·304
	Weight of the newborn (g)	0·001	0·002

Candidate variables in the adjusted models: infant birth weight at delivery (grams); socio-economic status of the family; prenatal exposure to tobacco smoke (no, yes); infant gender (female, male); and maternal prenatal trait anxiety.