<p> Appendix 1. Socio-Demographic and Clinical Characteristics Survey</p><p>Age:…</p><p>Gender: □ Female □Male</p><p>Marital status: □Married □Single</p><p>Education status: □Primary □Secondary □University</p><p>Occupational status: □Full time indoor job □Part time indoor job □Full time outdoor job</p><p>Do you have a skin cancer history in the family: □ Yes □No</p><p>Smoking: □Yes □No </p><p>Do you have a history of sunburn in the previous year: □ Yes □No</p><p>Which skin type do you have:</p><p>□ I: Very light skin color, sensitive to sunlight, light color eye (blue, green), yellow or light brown color</p><p>□ II: Light skin color, light brown or brown hair color, light color eye</p><p>□ III: Light-wheat skin color, light or dark eye color, brown or black hair color</p><p>□ IV: Wheat skin color, dark eye color (brown, black), brown or black hair color</p><p>□ V: Dark brown skin, dark eye color (black), black hair</p><p>□ VI: Very dark skin color (like black), black eye color, black hair color</p><p>Which eye color do you have: □ Blue-Green □ Brown □ Black </p><p>Do you have freckles: □ Yes □ No</p><p>Do you have moles on upper limbs and face: □ Yes □No</p><p>Does sun exposure cause skin cancer: □ Yes □No □ I don’t know </p><p>Time of transplantation…</p><p>Does organ transplantation cause skin cancer risk: □ Yes □ No □ I don’t know</p><p>Did you take a training on post-transplant sun exposure: □ Yes (from who)… □No </p><p>Which immunosuppressive drug are you using: Appendix 2. Sun Protection Behavior Questionnaire</p><p> always often sometimes rarely never </p><p>1. Not being outside between 10 a.m. and 4 p.m. ( ) ( ) ( ) ( ) ( ) 2. Not swimming between 10 a.m. and 4 p.m. ( ) ( ) ( ) ( ) ( )</p><p>3. Not sunbathing between 10 a.m. and 4 p.m. ( ) ( ) ( ) ( ) ( ) 4. Wearing a hat ( ) ( ) ( ) ( ) ( )</p><p>5. Using an umbrella ( ) ( ) ( ) ( ) ( ) 6. Wearing sunglasses ( ) ( ) ( ) ( ) ( )</p><p>7. Wearing sunscreen with a sun protection factor (SPF) of ( ) ( ) ( ) ( ) ( ) 15 or higher before going outside 8. Wearing sunscreen at the beach or while swimming and ( ) ( ) ( ) ( ) ( ) doing physical activity outside and reapplying it every 2 hours 9. Staying in the shade when outdoors ( ) ( ) ( ) ( ) ( )</p><p>10. Wearing clothing that covers the skin ( ) ( ) ( ) ( ) ( ) 11. Avoiding solariums ( ) ( ) ( ) ( ) ( )</p><p>12. Going to the doctor to treat sunburn ( ) ( ) ( ) ( ) ( ) 13. Checking moles and unusual changes in the skin regularly ( ) ( ) ( ) ( ) ( )</p>