Table 1.
Participant demographics.
| Sample N = 71 |
FBT-BN N = 30 |
CBT-A N = 26 |
SPT N = 15 |
Test Statistic | |
|---|---|---|---|---|---|
| Age (years) | 15.69 ± 1.55 | 15.87 ± 1.61 | 15.81 ± 1.65 | 15.13 ± 1.19 | F = 1.24, p =.230 |
| Sex (female) | 66 (93%) | 28 (93%) | 26 (100%) | 12 (80%) | χ2 = 5.82, p =.054 |
| Ethnicity (% non-Hispanic) | 75% | 73% | 69% | 87% | χ2 = 1.58, p =.455 |
| Race (% Caucasian) | 80% | 83% | 77% | 80% | χ2 = 6.19, p =.626 |
| Duration of illness | 18.12 ± 17.85 | 16.38 ± 20.47 | 19.00 ± 16.49 | 20.21 ± 14.82 | F =.264; p =.769 |
| Binge eating episodes | 22.13 ± 23.17 | 26.33 ± 30.06 | 21.31 ± 16.52 | 15.13 ± 15.31 | F = 1.20, p =.307 |
| Purge episodes | 22.49 ± 22.21 | 21.10 ± 20.42 | 25.84 ± 23.79 | 19.67 ± 23.76 | F = 0.46; p =.635 |
| Session attendance | 13.6 ± 5.48 | 13.96 ± 5.86 | 14.1 ± 4.87 | 12.13 ± 6.09 | F =.709; p =.496 |
FBT-BN, family-based treatment for bulimia nervosa; CBT-A, cognitive behavioral therapy for adolescents; SPT, supportive psychotherapy.