Table 4.
Between-group differences in BMI, eating-related symptomatology, depression, anxiety, and body image at the different study time points.
| Adolescents staying in the day-hospital program for at least 5 months (n = 37) | Adolescents who did not enter the daycare program or did not stay in it for at least 5 months (n = 24) | Time*day-treatment interaction effect | Day-treatment main effect | Time main effect | |
|---|---|---|---|---|---|
|
BMI |
F(2, 59) = 1.432, p = 0.237 |
F(2, 59) = 0.045, p = 0.833 |
F(2, 59) = 58.051 p < 0.001 |
||
| Admission to inpatient treatment | M = 16.56, SD = 2.02 |
M = 16.97, SD = 3.05 |
|||
| Discharge from inpatient treatment | M = 20.12, SD = 0.81 |
M = 20.45, SD = 1.67 |
|||
| One-year follow-up | M = 19.82, SD = 1.61 |
M = 19.35, SD = 1.72 |
|||
| Eating attitudes test (EAT-26) |
F(1, 60) = 0.608, p = 0.440 |
F(1, 60) = 0.158, p = 0.693 |
F(1, 60) = 8.219 p = 0.006 |
||
| Admission to inpatient treatment | M = 43.19, SD = 18.64 |
M = 38.83, SD = 15.87 |
|||
| Discharge from inpatient treatment | M = 31.74, SD = 16.51 |
M = 32.28, SD = 27.06 |
|||
|
Depression (BDI) |
F(1, 60) = 0.094, p = 0.760 |
F(1, 60) = 1.024, p = 0.317 |
F(1, 60) = 9.970, p < 0.003 |
||
| Admission to inpatient treatment | M = 30.68, SD = 14.64 |
M = 27.24, SD = 13.03 |
|||
| Discharge from inpatient treatment | M = 24.97, SD = 14.18 |
M = 20.29, SD = 17.87 |
|||
|
State anxiety (STAI-State) |
F(1, 60) = 1.637, p = 0.207 |
F(1, 60) =.176, p = 0.677 |
F(1, 60) = 5.337 p = 0.025 |
||
| Admission to inpatient treatment | M = 57.29, SD = 10.82 |
M = 54.74, SD = 11.32 |
|||
| Discharge from inpatient treatment | M = 53.79, SD = 9.42 |
M = 49.68, SD = 14.15 |
|||
|
Trait anxiety (STAI-Trait) |
F(1, 60) = 1.003, p = 0.321 |
F(1, 60) =.394, p = 0.533 |
F(1, 60) = 6.223, p = 0.016 |
||
| Admission to inpatient treatment | M = 56.24, SD = 11.18 |
M = 56.58, SD = 9.83 |
|||
| Discharge from inpatient treatment | M = 53.47, SD = 9.74 |
M = 50.11, SD = 11.70 |
|||
|
Body investment scale (BIS) |
F(1, 60) = 1.155, p = 0.288 |
F(1, 60) = 0.653, p = 0.423 |
F(1, 60) = 0.000 p = 0.991 |
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| Admission to inpatient treatment | M = 11.90, SD = 2.51 |
M = 11.99, SD = 1.70 |
|||
| Discharge from inpatient treatment | M = 11.56, SD = 1.81 |
M = 12.33, SD = 2.44 |
BMI, body mass index; EAT-26, Eating Attitudes Test-26; BDI, Beck Depression Inventory, STAI, State Trait anxiety Inventory; BIS, Body Investment Scale.