A mediation model of mindfulness and decentering: sequential psychological constructs or one and the same?

BMC Psychology

Table 3 Classification of the mediation and R ² effect-size measures

Type of Mediation	Overall R ²	R ² _med ^a	r ² _{XY .M} ^b	r ² _{MY .X} ^c	Effect-ratio
Complementary mediation
Specific indirect
AWJ→ASP→DEP	.307	.098	.161	.099	.319
AWJ→DP→DEP	.298	.100	.158	.087	.336
DES→ASP→DEP	.201	.056	.032	.129	.279
DES→DP→DEP	.209	.040	.050	.138	.191
Total indirect
AWJ→ASP, DP→DEP	.339	.137	.125	.140	.403
DES→ASP, DP→DEP	.264	.063	.026	.198	.238
Indirect-only mediation
Specific indirect
AWA→ASP→DEP	.174	.007	.000	.168	.040
AWA→DP→DEP	.167	.007	.000	.161	.042
OBS-IN→ASP→DEP	.176	-.001	.002	.176	-.006
Total indirect
AWA→ASP, DP→DEP	.245	.007	.001	.239	.028

Note. ^a Variance explained by the mediated effect; ^b squared partial correlation of Y and X partialed for mediator M; ^c squared partialed correlation of Y and M partialed for X; symptoms of depression (DEP); Accepting Self-Perception (ASP); Distanced Perspective (DP); Describing (DES); Accepting without Judgment (AWJ); Acting with Awareness (AWA); Observing of internal phenomena (OBS-IN); Observing of external phenomena (OBS-OUT).

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