Research Letter
November 2015

Recent Changes in the Prevalence of and Factors Associated With Frequency of Indoor Tanning Among US Adults

Author Affiliations
  • 1Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia
  • 2Division of Cancer Control and Population Sciences, National Cancer Institute, National Institutes of Health, Bethesda, Maryland

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JAMA Dermatol. 2015;151(11):1256-1259. doi:10.1001/jamadermatol.2015.1568

Reducing indoor tanning is a Healthy People 2020 objective and an important strategy for preventing skin cancer.1 We examined changes in the prevalence and frequency of indoor tanning factors associated with frequency of indoor tanning among US adults.

We analyzed data collected from the 2010 and 2013 National Health Interview Survey, a nationally representative sample of the US civilian, noninstitutionalized population 18 years or older (N = 59 145). The data were collected from January 1st to December 31st for each survey year. The final response rates were 60.8% in 2010 and 61.2% in 2013.2 Our analysis was exempted from Centers for Disease Control and Prevention Institutional Review Board approval. Indoor tanning was defined as using an indoor tanning device 1 or more times during the 12 months before each survey. We calculated the prevalence of indoor tanning in 2010 and 2013 and used log-linear regression to examine the factors associated with indoor tanning frequency among indoor tanners using pooled data from both years. Differences between categories within a variable were assessed with linear contrasts. Sample weights were applied to account for the complex study design and provide nationally representative estimates. P < .05 was considered statistically significant; all P values were 2-sided. Data were analyzed using SUDAAN, version 10.1 (RTI International).

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