Table 7.
Change in outcome measures between baseline and follow-up
| Control | Intervention | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | Follow-up | Unadjusted | Adjusted | Baseline | Follow-up | Unadjusted | Adjusted | |||
| Outcome Measures | Mean (SD) | Mean (SD) | n | Sig | Sig | Mean (SD) | Mean (SD) | n | Sig | Sig |
| Sunscreen Use Intention and Planning Behaviour | ||||||||||
| Intention to use sunscreen | 3.61 (1.203) | 3.37 (1.341) | 79 | 0.015* | 0.388 | 3.67 (1.177) | 3.88 (1.099) | 360 | < 0.001*** | 0.186 |
| Plan WHAT sunscreen intend to use | 2.47 (1.440) | 2.44 (1.366) | 79 | 0.443 | 0.773 | 2.64 (1.353) | 3.33 (1.268) | 369 | < 0.001*** | 0.261 |
| Plan WHEN to use sunscreen | 2.52 (1.376) | 2.44 (1.366) | 79 | 0.533 | 0.803 | 3.01 (1.378) | 3.33 (1.268) | 369 | < 0.001*** | 0.817 |
| Plan WHERE to get it | 2.43 (1.420) | 2.29 (1.360) | 79 | 0.237 | 0.965 | 2.81 (1.479) | 3.17 (1.358) | 369 | < 0.001*** | 0.779 |
| Plan HOW to get it | 2.27 (1.288) | 2.10 (1.257) | 79 | 0.198 | 0.952 | 2.52 (1.365) | 2.93 (1.259) | 368 | < 0.001*** | 0.196 |
| COPING Plan | 2.11 (1.368) | 2.04 (1.203) | 79 | 0.513 | 0.479 | 2.32 (1.309) | 2.91 (1.337) | 366 | < 0.001*** | 0.915 |
| Skin Self Examination Intention and Planning Behaviour | ||||||||||
| Intention to examine skin for possible signs of skin cancer on a regular basis | 2.71 (0.865) | 2.49 (0.932) | 79 | 0.035* | 0.456 | 2.62 (0.976) | 3.04 0.978 | 375 | < 0.001*** | 0.051 |
| I have made a detailed plan regarding WHEN | 1.47 (0.875) | 1.49 (0.799) | 79 | 0.300 | 0.125 | 1.48 (0.842) | 2.21 (1.103) | 376 | < 0.001*** | 0.718 |
| I have made a detailed plan regarding WHERE | 1.56 (0.920) | 1.56 (0.877) | 78 | 0.991 | 0.569 | 1.61 (0.945) | 2.62 (1.221) | 374 | < 0.001*** | 0.192 |
| I have made a detailed plan regarding HOW | 1.55 (0.935) | 1.62 (0.901) | 78 | 0.744 | 0.996 | 1.55 (0.858) | 2.72 (1.213) | 374 | < 0.001*** | 0.022* |
| I have made a detailed plan for COPING | 1.48 (0.830) | 1.76 (0.950) | 79 | 0.017* | 0.672 | 1.65 (0.915) | 2.37 (1.166) | 372 | < 0.001*** | 0.426 |
| Skin cancer risk representations | ||||||||||
| Identity: How much skin cancer would affect your life | 7.70 (2.084) | 7.71 (2.316) | 77 | 0.729 | 0.888 | 8.22 (1.806) | 8.26 (1.943) | 375 | 0.215 | 0.474 |
| Control: How much control you feel you have to prevent skin cancer | 5.29 (2.251) | 5.05 (2.197) | 78 | 0.834 | 0.990 | 5.90 (2.254) | 6.62 (1.893) | 376 | < 0.001*** | 0.029* |
| Timeline: Given you age, how relevant to conduct SSE | 4.81 (2.391) | 4.59 (2.265) | 78 | 0.767 | 0.104 | 5.23 (2.308) | 7.14 (2.068) | 372 | < 0.001*** | 0.873 |
| Consequences: How painful the effects of skin cancer would be | 6.74 (2.002) | 6.21 (2.223) | 76 | 0.053 | 0.869 | 7.05 (2.036) | 6.96 (2.200) | 369 | 0.524 | < 0.001*** |
| % (n) | % (n) | % (n) | % (n) | |||||||
| Skin Self Examination in past month | ||||||||||
| (% Yes) | 8.7 (8) | 12.5 (13) | 0.337(+) | 0.599(+) | 5.6 (30) | 32.6 (143) | < 0.001*** (+) | < 0.001*** (+) | ||
| (% No) | 85.9 (79) | 82.7 (86) | 90.8 (486) | 65.1 (286) | ||||||
| (% Don’t know) | 5.4 (5) | 4.8 (5) | 3.6 (19) | 2.3 (10) | ||||||
| Talk about skin cancer in the past month | ||||||||||
| (% Yes) | 8.7 (8) | 14.6 (15) | 0.866(+) | 0.888(+) | 9.2 (49) | 53.5 (234) | < 0.001***(+) | < 0.001***(+) | ||
| (% No) | 91.3 (84) | 85.4 (88) | 90.8 (481) | 46.5 (203) | ||||||
Note:*p < 0.05, ***p < 0.001
(+) p-values refer to the comparison between control and intervention for baseline and follow-up separately. Logistic regression model was applied to take into account confounder ‘Age’