Table 1 Internal reliability, sample items, and response options for multi-item scales
From: Skin surveillance intentions among family members of patients with melanoma
Scale | Number of items | α | Sample item | Response options |
|---|---|---|---|---|
Psychological factors | ||||
   Fear of TCE | 3 | .73 | I am afraid of having a total skin examination by a doctor or other health professional. | 1 = strongly disagree to 6 = strongly agree |
   TCE benefits | 12 | .90 | Having a total skin examination is part of good health care. | 1 = strongly disagree to 6 = strongly agree |
   TCE barriers | 7 | .68 | It would be embarrassing to have a doctor or other health care professional look at my entire body. | 1 = strongly disagree to 6 = strongly agree |
   SSE benefits | 8 | .87 | Skin self-examination is very important for people with my history of cancer in the family. | 1 = strongly disagree to 6 = strongly agree |
   SSE barriers | 10 | .70 | I do not feel confident performing skin self-examination. | 1 = strongly disagree to 6 = strongly agree |
   Melanoma comparative perceived risk | 3 | .67 | How would you rate your chances of developing melanoma compared with other people with a similar family history of melanoma? | 1 = much lower to 5 = much higher |
   Perceived severity of melanoma | 6 | .81 | How severely would developing melanoma disrupt your personal health and physical comfort? | 1 = not at all disruptive to 6 = extremely disruptive |
Physician/Family support | ||||
   TCE physician support | 3 | .83 | I think my doctor's support for having a total skin examination regularly is ... | 1 = no support to 4 = a lot of support |
   TCE family support | 2 | .70 | My family member with melanoma wants me to have a total skin examination by a doctor or other health care professional | 1 = strongly disagree to 4 = strongly agree |
   SSE family support | 2 | .75 | My family member with melanoma wants me to do a skin self-examination | 1 = strongly disagree to 4 = strongly agree |
Outcome variables | ||||
   TCE intentions | 4 | .92 | How likely is it that you will ask your doctor (or other health care professional) to do a total skin examination in the next year? | 1 = not at all likely to 7 = extremely likely |
   SSE intentions | 3 | .72 | How likely are you to begin doing skin self-examination in the next year? | 1 = not at all likely to 7 = extremely likely |