Table 4.
Mediation model testing the direct and indirect effects of coping on HRQOL via mood
| Outcome | Predictor | Mediator | Path a | Path b | Path ab: indirect effect of coping on HRQOL | Path c’: Direct effect of coping on HRQOL | Path c: Total effect of coping on HRQOL | |
| Coef (SE) | Coef (SE) | Coef (SE) | 95% CI | Coef (SE) | Coef (SE) | |||
| HRQOL | Confrontation | Positive mood | 0.30** (0.09) | 0.04** (0.01) | 0.01 (0.01) | (0.003 to 0.03) | −0.03 (0.02) | −0.03 (0.02) |
| Negative mood | 0.17* (0.08) | −0.07*** (0.02) | −0.01 (0.01) | (−0.03 to 0.001) | ||||
| Resigned acceptance | Positive mood | −0.31*** (0.08) | −0.01 (0.01) | (−0.03 to 0.003) | −0.02 (0.02) | −0.07*** (0.02) | ||
| Negative mood | 0.54*** (0.07) | −0.04 (0.01) | (−0.06 to 0.02) | |||||
| Mobility | Confrontation | Positive mood | 0.30** (0.09) | 0.21* (0.08) | 0.06 (0.03) | (0.01 to 0.13) | −0.12 (0.13) | −0.10 (0.12) |
| Negative mood | 0.17* (0.08) | −0.28** (0.09) | −0.05 (0.03) | (−0.12 to 0.002) | ||||
| Resigned acceptance | Positive mood | −0.31*** (0.08) | −0.06 (0.03) | (−0.13 to 0.01) | −0.03 (0.11) | −0.25* (0.10) | ||
| Negative mood | 0.54*** (0.07) | −0.15 (0.06) | (−0.27 to 0.05) | |||||
| Self-care | Confrontation | Positive mood | 0.30** (0.09) | 0.13 (0.07) | 0.04 (0.03) | (−0.003 to 0.10) | −0.09 (0.11) | −0.09 (0.11) |
| Negative mood | 0.17* (0.08) | −0.23** (0.08) | −0.04 (0.03) | (−0.10 to 0.002) | ||||
| Resigned acceptance | Positive mood | −0.31*** (0.08) | −0.04 (0.03) | (−0.10 to 0.003) | −0.04 (0.10) | −0.21* (0.09) | ||
| Negative mood | 0.54*** (0.07) | −0.14 (0.05) | (−0.24 to 0.05) | |||||
| Usual activities | Confrontation | Positive mood | 0.30** (0.09) | 0.18* (0.08) | 0.05 (0.03) | (0.01 to 0.12) | −0.16 (0.12) | −0.14 (0.12) |
| Negative mood | 0.17* (0.08) | −0.22* (0.09) | −0.04 (0.02) | (−0.09 to 0.001) | ||||
| Resigned acceptance | Positive mood | −0.31*** (0.08) | −0.06 (0.03) | (−0.12 to 0.01) | −0.07 (0.11) | −0.25* (0.10) | ||
| Negative mood | 0.54*** (0.07) | −0.12 (0.05) | (−0.22 to 0.02) | |||||
| Pain/Discomfort | Confrontation | Positive mood | 0.30** (0.09) | 0.16* (0.07) | 0.05 (0.03) | (0.004 to 0.11) | −0.12 (0.11) | −0.12 (0.11) |
| Negative mood | 0.17* (0.08) | −0.23** (0.08) | −0.04 (0.02) | (−0.10 to 0.001) | ||||
| Resigned acceptance | Positive mood | −0.31*** (0.08) | −0.05 (0.03) | (−0.11 to 0.005) | −0.02 (0.10) | −0.19* (0.09) | ||
| Negative mood | 0.54*** (0.07) | −0.13 (0.05) | (−0.23 to 0.04) | |||||
| Anxiety / Depression | Confrontation | Positive mood | 0.30** (0.09) | 0.10 (0.05) | 0.03 (0.02) | (−0.003 to 0.74) | 0.01 (0.08) | −0.02 (0.08) |
| Negative mood | 0.17* (0.08) | −0.34*** (0.06) | −0.06 (0.03) | (−0.13 to 0.003) | ||||
| Resigned acceptance | Positive mood | −0.31*** (0.08) | −0.03 (0.02) | (−0.07 to 0.003) | −0.26** (0.07) | −0.48*** (0.07) | ||
| Negative mood | 0.54*** (0.07) | −0.18 (0.04) | (−0.27 to to 0.11) | |||||
Age, gender, financial burden, disease stage, lung cancer type and history of radiotherapy were controlled in the mediation model. All coefficients (a, b, c’, c) were unstandardised coefficients.
*p<0.05, **p<0.01, *** p<0.001.
HRQoL, health-related quality of life.