Table 4.

Predictors of differential instability in structure of mothers of preterm and term infant.

	Step
	1		2
	B (SE)	β	B (SE)	β
Structure at 5 months
Structure at birth (centered)	0.70 (0.10)	0.66**	0.70 (0.11)	0.66**
Birth status (0 = term, 1 = preterm)	0.03 (0.06)	0.05	0.02 (0.06)	0.03
Structure at birth × birth status	−0.43 (0.20)	−0.21*	−0.40 (0.21)	−0.19a
Birth order			−0.02 (0.06)	−0.03
Family income			−0.03 (0.04)	−0.06
R2	0.34		0.34
F for change in R2	F(3, 98) = 16.72, p < 0.001		F(5, 96) = 10.03, p = 0.467

Note. Data were missing for 3 dyads for family income so there was a final sample of 40 preterm and 62 term infants.

^*p < 0.05.

^**p < 0.001.

^ap = 0.065.