Table 3. Putamen Volume Moderates The Relationship Between Peer Feedback And Anhedonia Severity At The 3-Month Follow-Up Assessment (n=37).

	b (SE)	t	p	CI95
Left putamen model: F(7,29)=7.66, p<0.001; R2=0.59
Baseline anhedonia	0.40 (0.14)	2.87	0.01	0.11, 0.68
Baseline depression	−0.04 (0.07)	−0.50	0.62	−0.18, 0.11
Baseline anxiety	−0.001 (0.06)	−0.01	0.99	−0.12, 0.12
Total intracranial volumea	1.74 (0.92)	1.89	0.07	−0.15, 3.62
Accept	−0.06 (0.06)	−0.95	0.35	−0.18, 0.07
Left putamena	−2.97 (0.84)	−3.55	0.001	−4.68, −1.26
Accept × left putamena	0.16 (0.07)	2.21	0.03	0.01, 0.30
Right putamen model: F(7,29)=13.78, p<0.001; R2=0.57
Baseline anhedonia	0.36 (0.14)	2.63	0.01	0.08, 0.64
Baseline depression	−0.03 (0.06)	−0.50	0.62	−0.16, 0.10
Baseline anxiety	−0.01 (0.05)	−0.11	0.91	−0.11, 0.10
Total intracranial volumea	1.52 (0.85)	1.80	0.08	−0.21, 3.26
Accept	−0.05 (0.06)	−0.90	0.38	−0.18, 0.07
Right putamena	−2.82 (0.65)	−4.32	0.0002	−4.15, −1.48
Accept × right putamena	0.14 (0.06)	2.27	0.03	0.01, 0.27

Note: accept/reject=subjective rating on the chatroom task after peer feedback (0–100); Mood and Feelings Questionnaire=Depression; Multidimensional Anxiety Scale for Children=Anxiety; Snaith-Hamilton Pleasure Scale=anhedonia.

^aIncluded standardized values as variables.