TABLE 3.

Standardized model coefficients predicting infant cognition

	Model 1 Direct effects		Model 2 Full model		Model 3 Trimmed model
Predictors	Bayley	Attention	Bayley	Attention	Bayley	Attention
Maternal education (Ed)
Prematurity	−0.19†	−0.14	−0.18	−0.11	−0.17	−0.11
Maternal Ed	0.01	0.28*	0.00	0.29**	0.01	0.29**
Sleep Con	0.01	−0.07	0.01	−0.16	0.01	−0.14
Sleep Reg	0.18	0.18	−0.11	0.18	−0.08	0.17
Maternal Education × Sleep Con			0.15	−0.03
Maternal Education × Sleep Reg			0.00	0.33**	0.07	0.31**
Model R2	0.03	0.13	0.06	0.23	0.04	0.22
Maternal depressive symptoms (MDS)
Prematurity	−0.18†	−0.16	−0.19†	−0.16.	−0.18†	−0.16
MDS	0.21†	0.24†	0.20†	0.26†	0.21†	0.24†
Sleep Con	−0.02	−0.05	0.01	−0.07	−0.02	−0.05
Sleep Reg	−0.06	0.09	−0.01	0.05	−0.06	0.09
MDS × Sleep Con			0.21	−0.18
MDS × Sleep Reg			0.13	−0.06
Model R2	0.08	0.10	0.13	0.13	0.08	0.10
Maternal sleep disturbance (MSD)
Prematurity	−0.18†	−0.15	−0.17†	−0.14	−0.17†	−0.14
MSD	0.05	0.30*	0.05	0.31*	0.05	0.33*
Sleep Con	0.00	−0.06	−0.01	−0.01	−0.04	−0.02
Sleep Reg	−0.07	0.10	0.02	0.15	0.01	0.12
MSD × Sleep Con			0.49***	0.40**	0.45**	0.39*
MSD × Sleep Reg			0.18	0.10
Model R2	0.04	0.13	0.28	0.24	0.22	0.24

Note: Con, Consolidation; Reg, Regulation.

^*p < .05,

^**p < .01,

^***p < .001,

^†p < .10.