Association between indoor tanning and sunburn among adults, National Health Interview, 2015. Indoor tanning defined as using an indoor tanning device (such as a sunlamp, sunbed, or tanning booth) ≥1 times during the 12 months before the survey. Does not include getting a spray-on tan. Sunburns include burns from the sun and from indoor tanning. Bars represent 95% confidence intervals. Differences are statistically significant across all 4 groups (P <.05) after controlling for age, sex, and race/ethnicity among all adults; age and race/ethnicity among sex-stratified analyses; and age among nonHispanic white (NHW) women.