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Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)
Published on: December 19, 2019
Skin Cancer Prevention Outreach for Agricultural Workers: A Farm Show Survey
Leah Naasz1, Kianna Thelen1, Emily Eisenbraun1
1University of South Dakota Sanford School of Medicine.
Background:
Agricultural workers are at increased risk for skin cancer due to prolonged ultraviolet (UV) exposure, yet many underutilize sun protection. Brief, community-based educational interventions may improve knowledge and preventive behaviors.
Objective:
To provide targeted skin cancer education and promote sun protection behaviors among agricultural workers in South Dakota.
Methods:
Twenty agricultural workers attending the Vermillion and Sioux Falls Farm Shows participated in a pre- and post-educational survey. Inclusion criteria included: ≥18 years old, English-speaking, and working in agriculture. Participants completed a seven-question pre-survey assessing sun exposure, sun protection habits, and knowledge of skin cancer. They then received a 10-minute tutorial on skin cancer risk factors, sun protection, and self-examinations. A post-survey assessed knowledge gained and intended behavior changes. Paired t-tests and Wilcoxon signed-rank tests evaluated pre- to post-intervention changes, with significance set at p < 0.05.
Results:
Post-intervention, participants showed significant improvements in recognizing melanoma warning signs (mean Δ = 0.90; p < 0.001) and identifying the most common type of skin cancer (mean Δ = 0.65; p < 0.001). Intent to use sunscreen increased significantly (mean Δ = 0.38; p = 0.009), though no meaningful changes were observed for wide-brim hat or protective clothing use. Participants reported a high likelihood of engaging in sun protection behaviors (mean 4.38/5).
Conclusion:
Brief, targeted educational sessions at farm shows effectively increase skin cancer awareness and self-reported intent to adopt sun-protective behaviors among South Dakota agricultural workers.
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