Table 3.

Comparison of estimated mean EDE-Q, SDQ and BMI percentile for the three time points

	M1	M2	Estimated diff	Effect size	95% CI	t (df)	p
EDE-Q
SOT–EOT	3.5	2.5	− 1.0	1.00	1.24 to  0.77	8.5 (236)	< 0.001
EOT–FU	2.5	2.2	0.3	0.32	0.62 to  0.03	2.2 (247)	0.032
SOT–FU	3.5	2.2	1.3	1.32	1.64 to  1.01	8.4 (128)	< 0.001
SDQ
SOT–EOT	17.2	15.7	− 1.45	− 0.51	− 2.13 to − 0.76	− 4.2 (234)	< 0.001
EOT–FU	15.7	14.0	− 1.75	− 0.61	− 2.64 to − 0.86	− 3.9 (243)	< 0.001
SOT–FU	17.2	14.0	− 3.20	− 1.12	− 4.17 to − 2.22	− 6.5 (128)	< 0.001
BMI percentile
SOT–EOT	19.7	32.7	13.1	0.91	10.02 to 16.11	− 8.4 (290)	< 0.001
EOT–FU	32.7	33.6	0.9	0.06	2.95 to 4.66	− 0.4 (313)	0.659
SOT–FU	19.7	33.6	13.9	0.97	10.24 to 17.59	− 7.4 (331)	< 0.001

EDE-Q eating disorder examination questionnaire global score, EOT end-of-treatment, FU follow-up, SDQ strengths and difficulties questionnaire total score, SOT start-of-treatment

For BMI percentile, the pairwise comparisons were based on a model without the interaction term included in the LMM