Table 1

Internal reliability, sample items, and response options for multi-item scales

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


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

Coups et al. BMC Public Health 2011 11:866   doi:10.1186/1471-2458-11-866

Open Data