Table 4.
Test statistics and effect sizes of the differences in primary and secondary outcomes between the experimental group and the control group, from linear mixed model analyses
| t | P | Effect size | ||
|---|---|---|---|---|
| Primary outcomes | ||||
| Psychological distress (HADS total score) |
Condition*T13 | 1.40 | 0.16 | 0.28 |
| Condition*T30 | 0.47 | 0.64 | 0.10 | |
| Condition*T42 | 0.50 | 0.62 | 0.11 | |
| Depression (HADS subscale) |
Condition*T13 | 1.31 | 0.19 | 0.30 |
| Condition*T30 | −0.10 | 0.92 | −0.02 | |
| Condition*T42 | 0.05 | 0.96 | 0.01 | |
| Anxiety (HADS subscale) |
Condition*T13 | 0.90 | 0.37 | 0.18 |
| Condition*T30 | 0.97 | 0.33 | 0.21 | |
| Condition*T42 | 0.87 | 0.39 | 0.19 | |
| Physical functioning (EORTC QLQ-C30) |
Condition*T13 | −1.00 | 0.32 | −0.19 |
| Condition*T30 | −0.53 | 0.60 | −0.11 | |
| Condition*T42 | −0.12 | 0.91 | −0.02 | |
| Secondary outcomes | ||||
| Emotional functioning (EORTC QLQ-C30) |
Condition*T13 | −2.32 | 0.02* | −0.43 |
| Condition*T30 | −0.94 | 0.35 | −0.19 | |
| Condition*T42 | 0.12 | 0.91 | 0.02 | |
| Role functioning (EORTC QLQ-C30) |
Condition*T13 | −0.09 | 0.93 | −0.02 |
| Condition*T30 | −0.52 | 0.60 | −0.11 | |
| Condition*T42 | 0.15 | 0.89 | 0.03 | |
| Anxiety (STAI) |
Condition*T13 | 0.99 | 0.33 | 0.21 |
| Condition*T30 | −0.29 | 0.77 | −0.07 | |
| Condition*T42 | 0.16 | 0.87 | 0.04 | |
| Depression (PHQ) |
Condition*T13 | 0.09 | 0.93 | 0.02 |
| Condition*T30 | −1.32 | 0.19 | −0.31 | |
| Condition*T42 | −0.54 | 0.59 | −0.13 | |
| Problem-solving (SPSI-R) |
Condition*T13 | 1.59 | 0.11 | 0.29 |
| Condition*T30 | 1.02 | 0.31 | 0.20 | |
| Condition*T42 | 1.61 | 0.11 | 0.32 | |
| Self-efficacy (DGSS) |
Condition*T13 | 0.99 | 0.33 | 0.19 |
| Condition*T30 | 1.27 | 0.21 | 0.26 | |
| Condition*T42 | 1.40 | 0.16 | 0.29 | |
HADS Hospital Anxiety and Depression Scale, EORTC QLQ-C30 European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-C30, SPSI-R Social Problem Solving Inventory-Revised, DGSS Dutch General Self-efficacy Scale, PHQ Patient Health Questionnaire, STAI Spielberger State-Trait Anxiety Inventory
*P < 0.05