Table 5. Mean, standard deviations, and effect sizes for depressive symptoms, behavioral activation, and environmental reward from baseline to the end of treatment and at the 3-, 6-, and 12-month follow-ups.

	SCBSCT-BA			SCBSCT
	Mean	SD	Cohen’s dab	Mean	SD	Cohen’s dab
BDI-II
Pretreatment	10.27	8.41	—	10.73	9.69	—
End of treatment	8.02	6.80	0.29	7.32	7.37	0.37
3-month follow-up	7.78	9.16	0.28	6.77	9.03	0.40
6-month follow-up	6.34	6.08	0.52	9.95	10.23	0.06
12-month follow-up	7.05	7.98	0.39	8.96	10.99	0.16
EROS
Pretreatment	27.67	4.40	—	27.69	4.93	—
End of treatment	29.50	4.35	0.41	29.11	5.08	0.28
3-month follow-up	29.92	5.14	0.47	28.83	4.65	0.24
6-month follow-up	30.34	4.70	0.58	27.77	5.08	0.02
12-month follow-up	30.48	4.91	0.60	28.55	5.54	0.16
BADS
Pretreatment	104.58	20.77	—	102.00	25.50	—
End of treatment	108.80	20.92	0.20	106.29	24.50	0.17
3-month follow-up	107.63	24.36	0.13	103.71	24.67	0.07
6-month follow-up	109.14	22.89	0.21	101.77	25.09	0.01
12-month follow-up	110.01	23.65	0.24	102.42	28.43	0.01

Note. BDI-II: Beck Depression Inventory–Second edition; EROS = Environmental Reward Observation Scale; BADS = Behavioral Activation Depression Scale

^aThe effect size is the comparison of means at each time point with baseline data.

^bEach data is based on complete data of participants.