Table 2 Testing the mediating effect of sense of coherence (SOC scale scores) in relationship between HRQoL dimensions at baseline (T1 scale scores) and the same dimensions 6 months later (T2 scale scores) in women with breast cancer (n = 162) by three steps of multiple linear regression analysis, Sobel test and Bootstrap

QoL-T1 → SOC-T2 → QoL-T2

.27^a

.24^b

.10

3.26^a

.45

.93

EF-T1 → SOC-T2 → EF-T2

.23^b

.27^b

.16^c

2.72^b

.11

.27

CF-T1 → SOC-T2 → CF-T2

.23^b

.16^c

.09

2.36^c

.19

.65

SF-T1 → SOC-T2 → SF-T2

.18^c

.19^c

.13

2.04^c

.36

.83

FA-T1 → SOC-T2 → FA-T2

-.17^c

.25^b

.19^b

2.03^c

-.93

-.42

FI-T1 → SOC-T2 → FI-T2

-.17^c

.32^a

.29^a

1.63

-.88

-.10

HI-T1 → SOC-T2 → HI-T2

.32^a

.48^a

.34^a

3.62^a

.11

.18

MCS-T1 → SOC-T2 → MCS-T2

.37^a

.42^a

.21^b

4.36^a

.37

.60