Table 1.

Baseline demographic and anthropometric characteristics of youth with and without loss of control eating

	Total Sample				LOC-only Sample

Variable	Loss of Control Eating^a	No Loss of Control Eating	t or χ²	P- Value	OBE ± SBE	SBE only	t or χ²	P-Value
N	150	179			70	80
Age (y)^b	14.8±1.6	14.8±1.5	0.35	0.73	15.2±1.5	14.5±1.7	2.49	0.015
Sex			10.56	0.001			3.72	0.05
%Female	94%	82%			90%	98%
Race (%)			30.72	<0.001			5.99	0.31
Non-Hispanic White	43%	23%			36%	49%
Non-Hispanic Black	33%	37%			34%	31%
Asian	7%	9%			9%	5%
Multiple or Other race/ethnicities	18%	31%			21%	15%
Socioeconomic Status (median)	2	3	7.86	0.17	3	2	4.75	0.32
BMI (kg/m²)^b,^c	28.0±5.3	26.2±7.9	2.05	0.04	27.7±6.5	28.2±4.2	0.54	0.59
BMI-z^b,^d	1.63±0.85	1.44±1.15	1.43	0.16	1.57±0.94	1.72±0.69	0.77	0.44
Height (cm)^b	163.4±7.9	164.2±7.9	0.40	0.37	163.7±7.7	163.0±8.1	0.59	0.56
Fat Mass (kg) ^b. ^e	31.1±13.0	31.2±17.4	0.06	0.96	31.9±16.2	30.4±9.3	0.65	0.51
Lean Mass (kg) ^b, ^f	48.8±8.1	50.3±10.3	1.51	0.13	50.3±8.5	47.5±7.6	2.09	0.04

LOC= Loss of Control Eating, defined as the presence of at least 1 episode, irrespective of size, in the month prior to assessment on the Eating Disorder Examination.

M ± SD

BMI= Body Mass Index

BMI-z= Body mass index standard deviation score for age and sex, calculated according to the Centers for Disease Control and Prevention 2000 growth charts.²²

Fat Mass, as measured by either by dual-energy x-ray absorptiometry (DXA) or air displacement plethysmography (Bod Pod). Measures of adiposity were adjusted to account for known differences between the different assessments.²³

Lean Mass, as measured by either by dual-energy x-ray absorptiometry (DXA) or air displacement plethysmography (Bod Pod). Measures of lean mass were adjusted to account for known differences between the different assessments.²³