Table 3.

Inter-cohort differences in lifetime risk of DSM-IV eating disorders and related behavior

	Anorexia Nervosa		Bulimia Nervosa		Binge-eating Disorder		Subthreshold Binge-eating		Any binge-eating behavior
	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)
Age (year of birth)
18–29 (1972–85)	2.0^{^}	(0.7–5.3)	16.8^*	(3.0–95.6)	4.9^*	(2.1–11.5)	4.5^*	(1.8–11.2)	4.5^*	(2.6–8.0)
30–44 (1957–73)	1.8	(0.4–8.2)	11.8^*	(1.9–72.6)	3.1	(1.3–7.2)	2.2	(0.8–6.4)	3.0^*	(1.7–5.4)
45–59 (1942–58)	0.6	(0.1–4.5)	13.4^*	(2.2–82.2)	2.3^*	(1.1–4.9)	1.2	(0.3–4.3)	2.0^*	(1.1–3.8)
60+ (<1944)	1.0		1.0		1.0		1.0		1.0
χ²₃ (p-value)	2.2 (.104)		3.8^* (.018)		6.5^* (.001)		4.4^* (.009)		11.3^* (.000)

Significant inter-cohort different based on a .05 level, two-sided test, controlling for sex and race-ethnicity.

^{^}

Collapsing age categories 18–29 and 30–44 (left out category: 35 years or older) results in OR= 2.1 (.9-4.9), χ²_1=3.2 (p-value=0.082).