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Table 4 Test-retest change in knowledge related to sun exposure

From: Sensitivity to change of the Beach Questionnaire to behaviour, attitudes and knowledge related to sun exposure: quasi-experimental before-after study

Item N Pre-test success rate Post-test success rate p
n % n %
1: Sun protection creams prevent the aging of the skin caused by the sun’s rays 226 174 77.0 185 81.9 0.20
2: The sun is the main cause of skin cancer 226 213 94.2 219 96.9 0.18
3: The sun causes skin blemishes 225 219 97.3 221 98.2 0.73
4: If I use sunblock cream I can sunbathe without risk 227 156 68.7 209 92.1 <0.001
5: Avoiding the sun at the hours of peak intensity (12.00-5.00 pm) is the most effective way to protect the skin from the sun 225 197 87.6 205 91.1 0.20
6: Avoiding sun exposure at an early age (under 18) decreases the risk of skin cancer by 80% 225 116 51.6 158 70.2 <0.001
7: Once my skin is brown, I don’t need to continue using sunscreen 227 199 87.7 220 96.9 <0.001