Table 4.
Difference in BMI categories at the time of interview in lifetime prevalence of DSM-IV 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) | |
| Current BMI | |||||||||||||||
| < 18.5 | 15.6 | 5.6 | (0.9–33.4) | 3.5 | 1.0 | (0.2–5.3) | 0.0 | 0.0 | 0.8 | 0.4 | (0.1–1.7) | ||||
| 18.5–29.9 | 79.0 | 1.0 | 65.3 | 1.0 | 57.6 | 1.0^^ | 72.1 | 1.0^^ | 63.8 | 1.0 | |||||
| 30–39.9 | 5.3 | 0.3 ^ | (0.0–2.3) | 20.9 | 1.0 | (0.4–2.7) | 27.6 | 1.7 | (0.8–3.5) | 24.4 | 1.1 | (0.5–2.8) | 24.8 | 1.3 | (0.8–2.3) |
| > 40 | 0.0 | 10.3 | 2.6 | (0.8–8.3) | 14.8 | 4.9* | (2.2–11.0) | 3.5 | 1.0 | (0.3–3.9) | 10.7 | 3.1* | (1.6–5.8) | ||
| χ23 (p-value) | 3.6*(0.035) | 1.0 (0.412) | 8.1*(0.001) | 0.0 (0.966) | 4.7* (0.007) | ||||||||||
^^
BMI categories < 18.5 and 18.5–29.9 were collapsed
^
BMI categories > 40 and 30–39.9 were collapsed
*
Significant inter-cohort different based on a .05 level, two-sided test, controlling for age, sex and race-ethnicity.