Table 4a.

Univariate linear regression for BPAQ total score

			95% CI for β
	β	SE	P value	Lower Bound	Upper Bound	R2
Age	-0.366	0.139	0.010*	-0.641	-0.091	0.065
Sex	2.957	3.810	0.440	-4.602	10.515	0.006
Education	0.588	1.385	0.672	-2.159	3.335	0.002
Marital status	1.100	2.183	0.615	-3.231	5.432	0.003
Age at onset of BD	-0.414	0.188	0.030*	-0.788	-0.041	0.046
Type of BD	6.044	5.321	0.259	-4.514	16.601	0.013
Number of past episodes	0.125	0.262	0.635	-0.395	0.644	0.002
Presence of lifetime suicide attempts	14.277	4.210	0.001**	5.924	22.630	0.103
EA	3.233	0.395	<0.001***	2.449	4.017	0.396
PA	2.299	0.725	0.002**	0.861	3.736	0.090
EN	1.153	0.322	0.001**	0.514	1.791	0.112
PN	1.024	0.524	0.053	-0.015	2.063	0.036
SA	2.457	0.614	<0.001***	1.239	3.674	0.136
CTQ total score	0.704	0.125	<0.001***	0.455	0.953	0.236

BD: Bipolar Disorder; BPAQ: Buss-Perry Aggression Questionnaire; CI: Confidence Interval; CTQ: Childhood Trauma Questionnaire; EA: Emotional abuse; EN: Emotional neglect; PA: Physical abuse; PN: Physical neglect; SA: Sexual Abuse; SE: Standard Error.

Statistical significance:

^*p<0.05;

^**p<0.01;

^***p<0.001.