Impulsivity and impulse control disorders in pregnancy

Figures & data

Table 1. Presence and rates of lifetime impulse control disorder.

		n	%
Lifetime ICD	Absent	134	88.2
	Present	18	11.8
Lifetime ICD type	Compulsive buying	5	3.3
	Pyromania	1	0.7
	Intermittent explosive disorder	3	2.0
	Skin picking	4	2.6
	Self-mutilation	3	2.0
	Trichotillomania + intermittent explosive disorder	1	0.7
	Compulsive buying + intermittent explosive disorder	1	0.7

Note: ICD: impulse control disorder.

Table 2. Relationship between BIS scores, gestation week, and gestation number.

		Gestation week	Gestation number
BISnp	r	0.012	0.128
	n	152	152
	p	.886	.117
BISm	r	−0.154	0.013
	n	152	152
	p	.059	.874
BISa	r	−0.106	−0.029
	n	152	152
	p	.194	.727
BISt	r	−0.126	0.088
	n	152	152
	p	.123	.283

Notes: BISt: Barratt Impulsivity Scale total score; BISnp: Barratt Impulsivity Scale non-planning score; BISa: Barratt Impulsivity Scale attention score; BISm: Barratt Impulsivity Scale motor score. Spearman’s rho p < .05.

Table 3. BIS scores with respect to pregnancy trimester.

	First trimester (n = 41)	Second trimester (n = 47)	Third trimester (n = 64)	p
BISnp	25.3 ± 3.7	25.8 ± 3.5	25.4 ± 4.6	.809
BISm	22.1 ± 4.1	21.0 ± 5.3	20.6 ± 4.1	.125
BISa	18.9 ± 3.9	19.4 ± 2.9	18.4 ± 3.2	.138
BISt	66.3 ± 7.5	66.0 ± 8.6	64.3 ± 9.4	.262

Notes: BISt: Barratt Impulsivity Scale total score; BISnp: Barratt Impulsivity Scale non-planning score; BISa: Barratt Impulsivity Scale attention score; BISm: Barratt Impulsivity Scale motor score. ANOVA p < .05.

Table 4. Relationship between pregnancy plan and BIS scores.

	Planned pregnancy (n = 104)	Unplanned pregnancy (n = 48)	p
BISnp	25.3 ± 3.7	25.8 ± 4.7	.647
BISm	20.9 ± 4.3	21.6 ± 4.9	.460
BISa	18.9 ± 3.3	18.6 ± 3.3	.352
BISt	65.1 ± 8.4	65.9 ± 9.2	.479

Notes: BISt: Barratt Impulsivity Scaletotal score, BISnp: Barratt Impulsivity Scale non-planning score; BISa: Barratt Impulsivity Scale attention score; BISm: Barratt Impulsivity Scalemotor score. Mann–Whitney U p < .05.