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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
  1. Note: TCE = total cutaneous examination; SSE = skin self-examination.