Table 3. Bivariate analysis of demographic, clinical and psychological variables associated with frequency of clinical skin examination in the past 12 months.
Test statistics
|
||||
---|---|---|---|---|
Variable | Mean CSE (s.d.) | Z | df | P |
Demographic variables | ||||
Sex | ||||
Male | 0.74 (1.00) | 0.92 | 0.36 | |
Female | 0.56 (1.81) | |||
Marital status | ||||
Currently married | 0.68 (0.96) | 0.26 | 0.80 | |
Not married | 0.56 (0.76) | |||
Education level | ||||
University degree | 1.00 (1.16) | 1.20 | 0.23 | |
No university degree | 0.61 (0.87) | |||
Agea | 0.54 | 1 | 0.46 | |
Occupational environmentb | ||||
Indoors | 0.69 (0.92) | 4.24 | 2 | 0.12 |
Outdoors | 0.36 (0.68) | |||
Even time indoors and outdoors | 0.74 (0.86) | |||
Clinical variables | ||||
Personal history of melanoma | ||||
Previous diagnosis | 1.03 (0.85) | 3.86 | <0.0001 | |
No previous diagnosis | 0.48 (0.89) | |||
Number of FDRs and SDRs affected by melanomaa | 2.92 | 1 | 0.09 | |
Number of FDRs and SDRs deceased owing to melanomaa | 0.40 | 1 | 0.53 | |
Objective CDKN2A mutation carrier riskb | ||||
100% | 1.03 (0.85) | 16.07 | 2 | <0.0001 |
50% | 0.53 (0.86) | |||
25% or less | 0.41 (0.95) | |||
Doctor recommendation for CSE | ||||
Yes | 1.14 (0.99) | 6.69 | <0.0001 | |
No | 0.14 (0.39) | |||
Psychological variables | r s | P | ||
Perceived risk | 0.16 | 0.08 | ||
Causal attributions | ||||
Sun exposure | 0.11 | 0.22 | ||
Genetics | 0.12 | 0.22 | ||
Uncontrollable factors | 0.04 | 0.65 | ||
Perceived efficacy of CSE | −0.21 | 0.02 | ||
Perceived efficacy of melanoma treatment | −0.13 | 0.17 | ||
Behavioral intention to perform CSE | 0.54 | <0.0001 | ||
Melanoma-specific distress | 0.16 | 0.08 | ||
General anxiety | −0.06 | 0.53 | ||
General depression | −0.09 | 0.33 | ||
Information-seeking stylec | Z | P | ||
High monitor | 0.62 (0.84) | 0.24 | 0.81 | |
Low monitor | 0.70 (0.99) |
Abbreviations: CSE=clinical skin examination; FDR=first-degree relatives; SDR=second-degree relatives.
Linear-by-linear association test.
Kruskall–Wallis.
Mann–Whitney U. Bold type is used to indicate statistical significance at the P<0.05 level.