Table 3 Influence of baseline BMI on overall symptom change from baseline to end of treatment in the G-CBT group

1.22 (0.67, 1.71)

0.77 (0.21, 1.43)

 − 1.452

.146

0.00 (− 2.20, 0.00)

 − 0.80 (− 3.20, − 0.20)

 − 1.857

.063

 − 0.10 (− 0.80, 0.00)

 − 2.00 (− 3.20, − 1.00)

 − 3.674

.000*

 − 0.50 (− 1.65, 0.00)

 − 0.80 (− 3.20, − 0.40)

 − 1.709

.087

 − 1.04 (− 1.94, 0.16)

 − 2.20 (− 3.50, − 0.61)

 − 2.065

.038*

 − 0.20 (− 1.69, 0.06)

 − 1.35 (− 3.10, − 0.61)

 − 2.527

.012*

 − 1.50 (− 8.25, 9.00)

 − 7.00 (− 8.00, − 3.50)

 − 1.375

.169

0.00 (− 2.25, 3.00)

 − 2.00 (− 7.50, 0.00)

 − 1.962

.053