Table 2.
CancerSupportSource®: exploratory factor analysis of 25 items
| Item | EFA of 25-item CancerSupportSource | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| F1 | F2 | F3 | F4 | F5 | IDI | Factor # | Item–factor correlation | Action for short form | |
| Emotional well-being | |||||||||
| Feeling nervous or afraid† | 0.82 | 0.66 | 1 | 0.82 | Retained | ||||
| Feeling sad or depressed‡ | 0.77 | 0.77 | 1 | 0.82 | Retained | ||||
| Worrying about the future and what lies ahead† | 0.77 | 0.85 | 1 | 0.81 | Retained | ||||
| Feeling lonely or isolated‡ | 0.71 | 0.71 | 1 | 0.81 | Retained | ||||
| Finding meaning and purpose in life | 0.56 | 0.70 | 1 | 0.75 | Dropped | ||||
| Worrying about family, children, and/or friends | 0.43 | 0.72 | 1 | 0.66 | Dropped | ||||
| Health insurance or money worries | 0.39 | 0.69 | 1 | 0.60 | Retained | ||||
| Feeling irritable | 0.34 | 0.66 | 1 | 0.65 | Dropped | ||||
| Symptom burden and impact | |||||||||
| Pain and/or physical discomfort | 0.77 | 0.70 | 2 | 0.77 | Retained | ||||
| Moving around (walking, climbing stairs, lifting, etc.) | 0.74 | 0.69 | 2 | 0.70 | Dropped | ||||
| Feeling too tired to do the things that you need or want to do | 0.69 | 0.87 | 2 | 0.81 | Retained | ||||
| Managing side effects of treatment (nausea, swelling, etc.) | 0.55 | 0.66 | 2 | 0.70 | Dropped | ||||
| Changes or disruptions in work, school, or home life | 0.45 | 0.83 | 2 | 0.73 | Retained | ||||
| Thinking clearly (e.g., “chemo brain,” “brain fog”) | 0.39 | 0.67 | 2 | 0.61 | Retained | ||||
| Sleep problems | 0.30 | 0.70 | 2 | 0.59 | Dropped | ||||
| Transportation to treatment and appointments | 0.30 | 0.30 | 2 | 0.51 | Dropped | ||||
| Body image and healthy lifestyle | |||||||||
| Exercising and being physically active | 0.61 | 0.80 | 3 | 0.72 | Retained | ||||
| Recent weight change (gain or loss) | 0.60 | 0.62 | 3 | 0.71 | Dropped | ||||
| Body image and feelings about how you look | 0.53 | 0.73 | 3 | 0.69 | Retained | ||||
| Eating and nutrition | 0.49 | 0.55 | 3 | 0.51 | Dropped | ||||
| Health care team communication | |||||||||
| Communicating with your doctor | 0.48 | 0.47 | 4 | 0.58 | Retained | ||||
| Making a treatment decision | 0.43 | 0.61 | 4 | 0.58 | Retained | ||||
| Relationships and intimacy | |||||||||
| Problems in your relationship with your spouse/partner | 0.82 | 0.49 | 5 | 0.63 | Retained | ||||
| Intimacy, sexual function, and/or fertility | 0.54 | 0.59 | 5 | 0.63 | Retained | ||||
| Additional items | |||||||||
| Tobacco or substance use—by you or someone in your household | 0.16 | N/A | N/A | Retained | |||||
† indicates item is part of anxiety risk screening subscale; ‡ indicates item is part of depression risk screening subscale; IDI item discrimination index between upper and lower quartiles, based on total distress score