Table 5.

Hierarchical regression analyses predicting internalising behaviours across childhood

Step variables	β	ΔR2	ΔF	d.f.
Model 1: Internalising behaviours at 3 years
Step 1		0.02	2.42	1, 145
Child age at 3 years	0.13
Step 2		0.09	14.09***	1, 144
Child age at 3 years	0.06
Maternal mood at the third trimester	0.30***
Step 3		0.05	7.80**	1, 143
Child age at 3 years	0.02
Maternal mood at the third trimester	0.18*
Maternal mood at 3 years	0.25**
Step 4		0.00	0.04	1, 142
Child age at 3 years	0.02
Maternal mood at the third trimester	0.18
Maternal mood at 3 years	0.25**
SSRI exposure	0.02
Model 2: Internalising behaviours at 6 years
Step 1		0.04	5.86*	1, 139
Child age at 6 years	0.20*
Step 2		0.13	20.80***	1, 138
Child age at 6 years	0.22**
Maternal mood at the third trimester	0.36***
Step 3		0.00	0.26	1, 137
Child age at 6 years	0.21*
Maternal mood at the third trimester	0.33**
Maternal mood at 6 years	0.05
Step 4		0.00	0.05	1, 136
Child age at 6 years	0.20*
Maternal mood at the third trimester	0.32**
Maternal mood at 6 years	0.05
SSRI exposure	0.02
Model 3: Internalising behaviours at 12 years
Step 1		0.00	0.15	1, 108
Child age at 12 years	−0.04
Step 2		0.18	23.37***	1, 107
Child age at 12 years	0.02
Maternal mood at the third trimester	0.43***
Step 3		0.02	2.64	1, 106
Child age at 12 years	0.01
Maternal mood at the third trimester	0.36***
Maternal mood at 12 years	0.16
Step 4		0.01	1.27	1, 105
Child age at 12 years	−0.01
Maternal mood at the third trimester	0.30**
Maternal mood at 12 years	0.15
SSRI exposure	0.12

SSRI, selective serotonin reuptake inhibitor.

^*P < 0.05; **P < 0.01; ***P < 0.001.