Table 1 Item total correlation, fit statistics and item difficulty for the 10-item skin self-examination attitude scale

SSE_1

It is important to check my skin for skin cancer even if I have no symptoms

0.457

0.92

1.03

- 0.58 (0.07)

SSE_2*

I think checking my skin would make me anxious*

0.081

-

-

-

SSE_3

Checking my skin regularly is a priority for me

0.526

1.05

1.25

0.54 (0.05)

SSE_4

I think I could find something suspicious on my skin if it was there

0.495

0.99

1.06

0.23 (0.06)

SSE_5

If I saw something suspicious on my skin, I’d go to the doctor straight away

0.446

1.03

1.06

-0.36 (0.06)

SSE_6

I am confident in a doctor’s ability to diagnose skin cancer

0.373

1.20

1.32

-0.07 (0.06)

SSE_7**

I have made plans on when to examine my own skin*

0.461

-

-

-

SSE_8

I am confident that I can take up examining my own skin again even if I have not looked at my skin in the past few months

0.579

0.82

0.81

0.18 (0.06)

SSE_9

I am able to keep examining my own skin regularly, even if I have no one to help me

0.474

1.03

1.34

0.53 (0.06)

SSE_10

If I regularly examine my skin, then I am helping to look after my own health

0.582

0.75

0.67

-0.46 (0.07)