Table 2.
Mean and (SE) | Analysis of Variance for Repeated Measures | Linear Mixed Model | ||||
---|---|---|---|---|---|---|
Baseline a | End-of-Treatment b | 20-Week Follow-Up c | Pairwise Comparisons * | Linear Growth | Quadratic Growth | |
z-BMI | −4.01 (0.20) | −0.43 (0.06) | −0.97 (0.45) | a < b,c | β = 13.26, t = 9.53, p < 0.001 |
β = −11.37, t = −5.56, p < 0.001 |
Eating Disorder Examination Questionnaire | ||||||
Restraint | 4.0 (0.2) | 0.9 (0.2) | 1.1 (0.5) | a < b,c | β = −10.4, t = −6.15, p < 0.001 |
β = 8.5, t = 4.19, p = 0.001 |
Eating concern | 3.3 (0.1) | 1.4 (0.1) | 1.5 (0.1) | a < b,c | β = −6.9, t = −12.56, p = 0.001 |
β = 5.7, t = 8.67, p = < 0.001 |
Weight concern | 3.9 (0.1) | 2.0 (0.1) | 1.7 (0.1) | a < b< c | β = −2.7, t = −12.39, p = 0.001 |
--- |
Shape concern | 4.6 (0.1) | 3.3 (0.1) | 2.7 (0.2) | a < b<c | β = −2.2, t = −9.78, p = 0.001 |
--- |
Global score | 3.9 (0.1) | 1.9 (0.1) | 1.7 (0.1) | a < b,c | β = −6.9, t = −12.0, p = 0.001 |
β = 5.1, t = 7.86, p < 0.001 |
Brief Symptom Inventory | ||||||
Global score | 2.0 (0.1) | 1.1 (0.1) | 1.1 (0.1) | a < b,c | β = −3.4, t = −9.49, p = 0.001 |
β = 2.8, t = 7.07, p = <0.001 |
Clinical Impairment Assessment | ||||||
Global score | 33.8 (1.0) | 16.4 (1.4) | 15.5 (1.9) | a < b,c | β = −62.7, t = −10.4, p = 0.001 |
β = 48.0, t = 6.55, p < 0.001 |
* Indicate significant differences (p < 0.05) between baseline (a), end-of-treatment (b) and 20-week follow-up (c).