Table 3.

Outcome analyses, including the effect sizes for and between-group differences in the outcome measures between the baseline (t₀) and 2-week post-treatment (t₁) assessments in the complete-cases group.

	Effect size (d)			Between-group differencesa
	iBAb	iMBIc	CAUd	Statistic	Effect size (ηp2)	90% CI	P value
PHQ-9e	–0.23	–0.31	–0.35	F(2,84)=0.29	.007	0.000- 0.041	.75 (81f)
BADSg	0.96	0.25	0.30	F(2,84)=2.73	.061	0.000-0.145	.07h (.09f)
KIMSi	0.27	0.31	–0.19	F(2,84)=3.00	.067	0.000-0.152	.06j (.03f)
DAS-18Bk	–0.37	–0.37	–0.14	F(2,84)=1.11	.026	0.000-0.088	.34 (.14f)
WHOQOLl	0.31	0.16	0.26	F(2,84)=0.56	.013	0.000-0.061	.57 (.56f)

^aAssessed using analyses of covariance (ANCOVA) with baseline scores as covariates and uncorrected t tests for post-hoc tests.

^biBA: internet-based behavioral activation.

^ciMBI: internet-based mindfulness intervention.

^dCAU: care as usual.

^ePHQ-9: Patient Health Questionnaire-9.

^fIntention-to-treat analyses based on multiple imputation.

^gBADS: Behavioral Activation for Depression Scale.

^hBA>iMBI.

ⁱKIMS: Kentucky Inventory of Mindfulness Skills.

^jiBA>CAU.

^kDAS-18B: German 18-item version of the Dysfunctional Attitude Scale form B.

^lWHOQOL: World Health Organization Quality of Life Scale (global item).