Table 2.
Adjusted prevalence and relative risk of engaging in eating disorders for overweight as compared to non-overweight adolescent girls by ethnicity/race.
| Dieting (n=1,190)
|
Unhealthy Weight-control Behaviors (n=1,187)
|
Overeating (n=1,182)
|
||||
|---|---|---|---|---|---|---|
| % (SE)
|
RR (95% CI)
|
% (SE)
|
RR (95% CI)
|
% (SE)
|
RR (95% CI)
|
|
| White | ||||||
| Total (n=247) | 43.5 (2.5) | 46.5 (4.4) | 20.0 (3.0) | |||
| Non-overweight (n= 173) | 28.4 (3.2) | 1.00 | 34.0 (3.8) | 1.00 | 14.9 (2.2) | 1.00 |
| Overweight (n=73) | 70.6 (4.9) | 2.5 (1.9–3.3) | 58.5 (5.6) | 1.7 (1.4–2.2) | 31.9 (4.4) | 2.1 (1.6–2.9) |
| Δ=42.1 | Δ=24.5 | Δ=17.0 | ||||
| Black | ||||||
| Total (n=416) | 36.2 (2.3) | 43.1 (2.5) | 14.8 (1.4) | |||
| Non-overweight (n=227) | 24.7 (2.0) | 1.00 | 30.3 (3.6) | 1.00 | 14.6 (2.1) | 1.00 |
| Overweight (n=189) | 55.6 (4.6) | 2.3 (1.8–2.8) | 64.8 (2.2) | 2.1 (1.7–2.6) | 16.1 (2.2) | 1.1 (0.7–1.7) |
| Δ=30.9 | Δ=34.5 | Δ=1.5 | ||||
| Hispanic | ||||||
| Total (n=) | 44.5 (2.7) | 44.8 (1.8) | 12.5 (2.8) | |||
| Non-overweight (n=144) | 28.0 (2.3) | 1.00 | 34.0 (2.4) | 1.00 | 9.7 (1.9) | 1.00 |
| Overweight (n=105) | 70.6 (6.3) | 2.5 (2.0–3.3) | 65.5 (5.3) | 1.9 (1.5–2.5) | 16.9 (4.7) | 1.8 (0.9–3.3) |
| Δ=42.6 | Δ=31.4 | Δ=7.2 | ||||
| Asian | ||||||
| Total (n=) | 65.1 (2.0) | 67.3 (3.0) | 22.5 (2.7) | |||
| Non-overweight (n=203) | 50.5 (2.1) | 1.00 | 56.4 (3.4) | 1.00 | 17.8 (2.8) | 1.00 |
| Overweight (n=76) | 83.8 (3.7) | 1.7 (1.5–1.9) | 83.7 (3.1) | 1.5 (1.3–1.7) | 30.9 (4.2) | 1.7 (1.3–2.4) |
| Δ=33.3 | Δ=27.3 | Δ=13.1 | ||||
| Ethnicity/Race X Weight Status Interaction | ||||||
| Multiplicative | p=.001 | p<.001 | p=.11 | |||
| Additive | p=.08 | p=.14 | p=.03 | |||
Models for each outcome were stratified by ethnicity/race and adjusted for age and socio-economic status; interaction p-value is joint/global p-value from full-model before stratification; bolded relative risks were significant at p<0.05