Table 2.
Coping-Together study outcomes and measures
| Measures and psychometrics |
||
|---|---|---|
| Outcomes | Patients | Partners |
| Primary outcome | ||
| Anxiety | Main survey: 7-item HADS-Anxiety Subscale63 (α=0.68–0.93)91 | |
| Secondary outcome | ||
| Depression | Main survey: 7-item HADS Depression subscale63 (α=0.68–0.93)91 | |
| Distress | Main survey: Single-item Distress Thermometer17 | |
| Quality of life (QOL) | Main survey: 35-item Assessment of Quality of Life—8 Dimensions Scale75 (overall α=0.91, subscale α=0.64–0.87)92 | Main survey. 35-item Assessment of Quality of Life—8 Dimensions Scale75 (overall α=0.91, subscale α=0.64–0.87)92 Main survey. 35-item Caregiver's QOL Index-Cancer (α=0.91)76 |
| Relationship satisfaction | Main survey: 32-item Dyadic Adjustment scale77(α=0.89–0.95)31 | |
| Appraisal | Main survey: 28-item Kessler Cognitive Appraisal of Health Scale (α>0.70)67 Main survey: 33-item Mishel's Uncertainty scale (α=.64–0.91)68 |
Main survey. 28-item Kessler Cognitive Appraisal of Health Scale (adapted) (α>0.70)67 Main survey. 33-item Mishel's Uncertainty scale (α=0.64–0.91)68 Main survey. 27-item Appraisal of Caregiving Scale (α>0.85)69 70 |
| Self-efficacy | Main survey: 12-item Communication and Attitudinal Self-Efficacy Scale for cancer (CASE-Cancer; α=0.76–0.77)71 Main survey: 29-item Strategies Used by People to Promote Health (SUPPH, α=0.76–0.92)72 Main survey: 40-item Health Education Impact Questionnaire (heiQ, α=0.70–0.89)73 |
Main survey. 12-item Communication and Attitudinal Self-Efficacy Scale for cancer (CASE-Cancer (adapted); α=0.76–0.77)71 Main survey. 29-item Strategies Used by People to Promote Health (SUPPH, α=0.76–0.92)72 Main survey. 48-item Caregiver Empowerment Scale (α=0.76–0.92)74 Main survey. 40-item Health Education Impact Questionnaire (adaptation, heiQ)73 |
| Dyadic and individual coping | Main survey: 37-item Dyadic Coping Inventory (α=0.73–0.96)79 Main survey: 28-item Brief COPE measures 14 individual-level coping strategies (α=0.60–0.90)78 |
|
| Moderators | ||
| Information-seeking preferences | Resource evaluation survey: 45-item Profile of Preferences for Cancer Information (PPCI) (adapted for partners)81 82 | |
| Information needs | Main survey: 37-item Cancer Information Needs Survey designed for use in the current study to assess the importance of receiving information on a variety of cancer-related topics, and the participant's degree of satisfaction with the information received to date. | |
| Social support | Main survey: 19-item MOS Social Support Survey (α=0.91–0.97)80 | |
| Cancer-related challenges | Main survey (all groups) and monthly for the tailored group: 28-item Cancer-Related Challenge Scale, developed for use in the current study, aligns with the challenges presented in the Coping-Together intervention materials and will assist in assessing resource relevance | |
| Use and relevance of Material sent | Resource evaluation survey: Developed for use in the current study, and ascertains the extent to which participants used the material sent to them, including proportion of the material used and amount of time spent reading the material. Also examines the coping strategies learnt and the usefulness of the resource | |
| Economic evaluation | Main survey: 26-items developed for the current study assessing health service usage, hospital admissions, out-of-pocket expenses, medication usage, community and pastoral care services, disruption to work and usual activities | |