borderline significantp = 0.051
At the 10-year follow-up, a borderline significant 50% reduction in melanoma incidence was observed among daily sunscreen users (HR 0.50; 95% CI, 0.24–1.02; p = 0.051), with a 73% reduction in invasive melanomas across all body sites (HR 0.27; 95% CI, 0.08–0.97; p = 0.045) and a lower mean Breslow thickness compared with discretionary users (0.53 vs. 1.2 mm) [ 10 ].