Table 1. Univariate analyses comparing demographic and clinical characteristics of BP patients with and without BED, and with and without obesity.

Demographic	N	% or mean ± SD	No BED (N = 649)	BED (N = 68)	p-value	Non-obese (N = 409)	Obese (N = 308)	p-value
Age	714	42.1 ± 15.4	42.0 ± 15.6	42.4 ± 14.0	0.650	41.2 ± 15.9	43.2 ± 14.8	0.047
Male	301	43.6	45.8	22.7	< 0.001	47.5	38.4	0.018
BP I	547	76.3	75.3	85.3	0.160	76.1	76.6	0.741
BP II	163	22.7	23.7	14.7		22.7	22.7
Schizoaffective	7	1.0	1.1	0.0		1.2	0.7
BED	68	9.5	-	-	-	5.1	15.3	< 0.001
BMI	717	30.1 ± 7.1	29.7 ± 6.9	33.9 ± 8.3	< 0.001	25.3 ± 3.0	36.5 ± 5.8	-
< 25	175	24.4	25.6	13.2		42.8	0
25–29.9	236	32.8	34.2	17.7		57.2	0
30–39.9	236	32.8	31.6	45.6		0	76.6
40+	72	10.0	8.6	23.5		0	23.4
≥ 1 Suicide attempt	226	31.7	29.9	50.0	< 0.001	28.2	36.5	0.019
Psychosis	325	45.7	44.3	60.3	0.012	47.5	43.6	0.300
Mixed episodes	94	16.4	16.3	17.5	0.807	16.9	15.8	0.705
Rapid cycling	378	52.9	52.4	57.4	0.437	50.7	55.7	0.18
Ultra rapid/cycling	169	23.7	22.9	32.4	0.080	25.2	21.9	0.308
Cycle acceleration	177	24.8	23.5	38.8	0.006	24.2	25.7	0.684
Increased severity	234	32.7	31.9	40.3	0.162	32.4	33.0	0.871
Mood instability sum (0–5)	561	1.5 ± 1. 4	1.5 ± 1.4	1. 9 ± 1. 4	0. 018	1.5 ± 1.5	1. 6 ± 1.4	0.253
PTSD	179	25.1	23.1	44.8	< 0.001	22.9	28.2	0.108
GAD	343	48.6	47.6	59.1	0.075	48.9	48.3	0.881
SAD	192	27.2	25.2	47.7	< 0.001	25.7	29.3	0.281
OCD	115	16.2	15.1	26.9	0.013	17.9	13.9	0.145
Phobia	69	9.8	8.6	21.2	0.001	8.2	11.9	0.097
Panic	230	32.3	31.2	43.3	0.044	29.7	36.0	0.075
Anxiety disorder comorbidity sum (0–6)	715	1.6 ± 1. 5	1. 5 ± 1.4	2.4 ± 1. 6	< 0.001	1.5 ± 1.5	1. 7 ± 1.5	0.293
Alcohol dep/abuse	272	38.6	38.2	43.9	0.358	39.4	37.8	0.674
Nicotine dep	225	35.9	34.8	46.2	0.068	39.0	31.6	0.042
Drug dep/abuse	176	26.2	25.9	29.2	0.563	28.0	23.8	0.233
Substance abuse comorbidity sum (0–3)	716	1.0 ± 1. 0	1.0 ± 1.0	1. 2 ± 1.0	0.095	1.0 ±1.0	0.9 ± 1.0	0.056
CIRS score	636	4.0 ± 3.6	3.9 ± 3.6	4.9 ± 3.6	0.010	3.5 ± 3.3	4.6 ± 3.8	< 0.001