Table 2.

Prediction of Cognitive Development from Prenatal, Obstetric, and Postnatal data.

	Model 1		Model 2
Predictor	B (SE)	β	B (SE)	β
Intercept	111.62(18.28)		125.12 (18.03)
Maternal age	.02 (.22)	.01	−.14 (.22)	−.06
Maternal education	1.69 (.58)	.23**	1.87 (.57)	.26**
Child age at postnatal visit	−.70 (.62)	−.10	−.68 (.59)	−.09
Child sex (1=F,2=M)	−2.69 (1.63)	−.13	−2.71 (1.56)	−.13
Collection time of amniotic	1.11 (.73)	.13	1.00 (.70)	.12
fluid
Gestational age at amniotic	.18 (.27)	.06	.08 (.26)	.02
clinic visit
Birthweight/gestational age	−1.50 (.78)	−.16	−1.52 (.75)	−.17*
(ratio)
Alcohol in pregnancy	−.33 (.57)	−.05	−.17 (.55)	−.03
Smoking in pregnancy	1.04 (1.51)	.06	1.51 (1.46)	.08
Amniotic fluid cortisol (ln)	−5.84 (1.55)	−.33***	−9.45 (2.15)	−.53***
State anxiety: prenatal	.00 (.06)	.01	.01 (.06)	−.02
State anxiety: postnatal	−.08 (.10)	−.07	−.04 (.09)	−.04
SLE: prenatal	−2.88 (.57)***	−.44	−2.60 (.55)	−.40***
SLE: postnatal	.48 (.43)	.10	.55 (.41)	.12
Secure attachment			−15.26 (8.11)	−.75
Amniotic fluid cortisol X			6.90 (2.85)	.99*
Secure attachment

Note: SLE = number of stressful life events.

^*p < .05,

^**p <.01,

^***p < .001.