Table 7.

Differences in Current BMI and BMI Categories in Lifetime and 12-month ED Groups

	AN		BN		BED
Current BMI by Lifetime ED diagnosis
Mean (SE)	24.1 (0.42)		27.7 (0.75) ^a		33.9 (0.64) ^{a, b}
Median (IQR)	22.2 (20.0–26.7)		27.2 (22.9–30.8)		32.6 (27.3–38.4)
Current BMI Group by Lifetime ED diagnosis	%	AOR (95% CI)	%	AOR (95% CI)	%	AOR (95% CI)
< 18.5	3.19 (1.03)	2.71 (1.57–4.68) ^‡	0.40	--- ¹	0.52	0.22 (0.03–1.58)
	15		(0.40)		(0.41)
			1		2
18.5–24.9	1.40 (0.14)	2.29 (1.80–2.92) ^‡	0.36	0.94 (0.59–1.49)	0.53	0.29 (0.20–0.41) ^‡
	161		(0.07)		(0.08)
			38		63
25–29.9	0.42 (0.06)	0.61 (0.45–0.82) ^‡	0.23	0.87 (0.52–1.46)	0.55	0.70 (0.52–0.95) ^†
	55		(0.06)		(0.08)
			22		74
30–39.9	0.43 (0.09)	0.49 (0.35–0.70) ^‡	0.25	1.31 (0.82–2.08)	1.38	2.09 (1.61–2.70) ^‡
	37		(0.06)		(0.16)
			28		125
≥ 40	0.31 (0.21)	0.28 (0.10–0.74) ^†	0.10	---- ²	2.82	4.61 (3.34–6.37) ^‡
	4		(0.06)		(0.47)
			3		51
Current BMI by 12 months ED diagnosis
Mean (SE)	17.4 (0.39)		27.1 (0.82) ^a		34.9 (0.84) ^{a, b}
Median (IQR)	18.0 (16.6–18.1)		26.8 (22.8–29.1)		34.3 (29.0–39.0)
Current BMI Group by 12-month ED diagnosis	%	AOR (95% CI)	%	AOR (95% CI)	%	AOR (95% CI)
< 18.5	2.91 (1.02)	---³	0.40 (0.40)	---¹	0.12 (0.12)	---¹
< 18.5	13		1		1
18.5–24.9	---	---	0.15 (0.15)	0.88 (0.49–1.60)	0.10 (0.03)	0.15 (0.09–0.26) ^‡
18.5–24.9			16		14
25–29.9	---	---	0.15 (0.05)	1.24 (0.65–2.40)	0.28 (0.06)	0.65 (0.45–0.95) ^†
25–29.9			14		37
30–39.9	---	---	0.12 (0.04)	0.99 (0.52–1.88)	0.86 (0.12)	2.58 (1.88–3.54) ^‡
30–39.9			12		76
≥40	---	---	0.03 (0.03)	---²	1.95 (0.43)	5.36 (3.67–7.83) ^‡
≥40			1		36

Notes. AN = anorexia nervosa; BN = bulimia nervosa; BED = binge eating disorder; SE = standard error; IQR = interquartile range. AOR = adjusted odds ratios, adjusting for sociodemographic variables.

collapsed with BMI=18.5–24.5;

collapsed with BMI=30–39.9;

the model was not valid due to low positive response frequencies. In all analyses, a reference group was individuals without lifetime history of any ED. All analyses were adjusted for the NESARC complex survey design.

^†

significant at p < .05;

^‡

significant at p < .01.