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224 Piercing remains a significant risk factor for nickel contact dermatitis; preliminary results from an online survey

Purpose of study Survey prevalence and demographics of piercings and self-reported nickel sensitivity in the United States. Methods used The Nickel Contact Dermatitis Survey is a self-reporting, online questionnaire developed to gather information regarding the prevalence of nickel allergic dermatitis. Social media outlets such as Facebook, Twitter, Instagram, Reddit, and YouTube were utilised to broadcast an online version of the survey. Additionally, a paper version was distributed at local universities. Summary of results Between Jun 1- September 25, 462 respondents in the United States were indexed. A chi-squared test comparing pierced individuals (n=319) and those with a self-reported nickel sensitivity (n=198) reveals a statistically significant correlation (X-squared=70.49, df=1, p-value<2.2e-16), consistent with previous research in this area. Additional statistical analysis reveals attributable risk of 44% for piercing and nickel sensitivity. Conclusions The strong association between piercing and nickel sensitisation underscores the importance that health care practitioners and the public understand that piercing remains a risk factor for lifelong nickel sensitivity.