Table 2 Statistical results relative to the BUT, which is the main outcome of BI
T0 | T1 | Statistical results Main effect time | Statistical results Covariate ΔBMI | |
|---|---|---|---|---|
BUT-A | ||||
Global Severity Index | M = 3.05 SD = 1.03 Min–max = .44–4.79 | M = 2.55 SD = .99 Min–max = 0.9–4.38 | F(1,70) = 20.40; p < .001*; η2 = .23 | F(1,70) = 4.46; p = .038*; η2 = .06 |
Weight phobia | M = 3.54 SD = 1.09 Min–max = .25–5 | M = 3.08 SD = 1.12 Min–max = .13–4.88 | F(1,70) = 11.33; p = .001*; η2 = .14 | F(1,70) = 5.35; p = .024*; η2 = .07 |
Body image concern | M = 3.44 SD = 1.17 Min–max = .22–5 | M = 2.85 SD = 1.19 Min–max = 0–5 | F(1,70) = 21.45; p < .001*; η2 = .23 | F(1,70) = 3.59; p = .062; η2 = .05 |
Avoidance | M = 2.32 SD = 1.15 Min–max = 0–4.67 | M = 1.98 SD = 1.16 Min–max = 0–4.83 | F(1,70) = 6.47; p = .013*; η2 = .08 | F(1,70) = 2.03; p = .158; η2 = .03 |
Compulsive self-monitoring | M = 2.84 SD = 1.32 Min–max = 0–5 | M = 2.36 SD = 1.13 Min–max = 0–5 | F(1,70) = 15.36; p < .001*; η2 = .18 | F(1,70) = 2.04; p = .158; η2 = .03 |
Depersonalization | M = 2.77 SD = 1.42 Min–max = 0–6.4 | M = 2.09 SD = 1.24 Min–max = 0–4.8 | F(1,70) = 22.56; p < .001*; η2 = .24 | F(1,70) = 2.78; p = .100; η2 = .04 |
BUT-B | ||||
Positive Symptom Total | M = 21.25 SD = 9.65 Min–max = 2–37 | M = 20.86 SD = 10.53 Min–max = 0–37 | F(1,70) = .84; p = .363; η2 = .01 | F(1,70) = .47; p = .493; η2 = .01 |
Positive Symptom Distress Index | M = 3.10 SD = .72 Min–max = 1.46–5 | M = 3.22 SD = 3.82 Min–max = 0–34.43 | F(1,70) = .001; p = .972; η2 < .001 | F(1,70) = .16; p = .688 η2 = .002 |