. Author manuscript; available in PMC: 2018 Feb 1.

Published in final edited form as: Int J Eat Disord. 2016 Nov 17;50(2):162–165. doi: 10.1002/eat.22645

Table 1.

Sample characteristics by the presence or absence of a lifetime suicidal ideation (SI) and history of a suicide attempt (SA)

	No SI or SA (N = 49)	SI but no SA (N = 41)	SA (N = 24)	Comparison
	N (%)	N	N
AN	4 (40.0)	4 (40.0)	2 (20.0)	Χ²(6) = 7.86, p < 0.26
BN	11 (45.8)	4 (16.7)	9 (37.5)
BED	10 (37.0)	12 (44.4)	5 (18.5)
EDNEC	24 (45.3)	21 (39.6)	8 (15.5)
	M (SD)	M (SD)	M (SD)
Age (years)	32.3 (11.9) ^a	33.3 (10.5) ^a	38.8 (14.0) ^a	F(2,111) = 2.86, p < 0.06
BMI (kg/m²)	27.6 (10.5) ^a	28.3 (10.2) ^a	28.9 (13.9) ^a	F (2, 109) = 0.13, p < 0.89
Binge Eating Episodes	6.2 (7.4) ^a	8.10 (11.1) ^a	11.4 (17.3) ^a	F (2, 109) = 1.69, p < 0.20
Self-Induced Vomiting	1.8 (4.7) ^a	2.0 (6.2) ^a	8.8 (17.9)^b	F (2, 111) = 5.14, p < 0.007
Laxative Abuse	1.1 (3.7) ^a	0.7 (3.2) ^a	0.6 (1.5) ^b	F (2, 111) = 0.34, p < 0.71
EDE-Q Global	3.8 (1.2) ^a,b	3.4 (1.3) ^a	4.14 (1.1) ^b	F (2, 106) = 3.20, p < 0.045
Perceived Burdensomeness	11.1 (7.8) ^a	13.6 (9.6) ^a	20.4 (11.4) ^b	F (2, 102) = 7.27, p < 0.001
Thwarted Belongingness	22.1 (11.5) ^a	28.9 (12.9) ^b	34.1 (12.6) ^b	F (2, 102) = 7.37, p < 0.001
Painful and Provocative Events	39.0 (8.8) ^a	40.9 (9.3) ^a	47.4 (11.0) ^b	F (2, 99) = 5.39, p < 0.006
Fearlessness about Death	18.6 (4.3) ^a	20.4 (5.3) ^a	22.0 (5.6) ^a	F (2, 101) = 1.30, p < 0.29

Note: Diagnoses and frequency of eating disorder behaviors in the past 28 days derived from the Eating Disorder Examination Questionnaire; Superscripts sharing a letter are not significantly different at the p < 0.05 level.