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. 2017 Jan 9;17:7. doi: 10.1186/s12888-016-1165-2

Table 3.

Summary of mediation analysis

Days abstinent (n = 124)
Coefficient T-score P-value
a coefficient 0.53 2.85 .005
b coeffient 1.96 2.17 .032
c coefficient without mediator 3.81 2.06 .042
c coefficient with mediator 2.77 1.74 .144
Preacher and Hayes indirect effect 1.037 (0.050–2.600)
Z-score
Sobel 1.04 1.73 .084