Table I.
2010
|
2013
|
2015
|
P value* | |||||||
---|---|---|---|---|---|---|---|---|---|---|
n = 25,233
|
n = 33,912
|
n = 31,518
|
||||||||
% | 95% CI | % | 95% CI | % | 95% CI | |||||
Total | 5.5 | 5.1 | 6.0 | 4.2 | 3.9 | 4.5 | 3.5 | 3.2 | 3.8 | <.001 |
Sex | ||||||||||
Male | 2.2 | 1.9 | 2.6 | 1.7 | 1.5 | 2.0 | 1.6 | 1.3 | 1.9 | .004 |
Female | 8.6 | 7.9 | 9.3 | 6.5 | 6.0 | 7.0 | 5.2 | 4.8 | 5.8 | <.001 |
Age, y | ||||||||||
18–29 | 11.3 | 10.1 | 12.6 | 8.6 | 7.7 | 9.5 | 6.0 | 5.1 | 6.9 | <.001 |
30–39 | 5.9 | 5.2 | 6.8 | 5.5 | 4.8 | 6.3 | 4.4 | 3.8 | 5.2 | .004 |
40–49 | 5.9 | 5.1 | 6.9 | 4.3 | 3.6 | 5.1 | 3.8 | 3.1 | 4.7 | <.001 |
50+ | 2.1 | 1.7 | 2.5 | 1.5 | 1.3 | 1.8 | 1.8 | 1.5 | 2.2 | .287 |
Race/Ethnicity | ||||||||||
NonHispanic white | 7.4 | 6.9 | 8.0 | 5.7 | 5.3 | 6.2 | 4.9 | 4.4 | 5.4 | <.001 |
Black | 0.3† | 0.1 | 0.5 | 0.2† | 0.1 | 0.4 | 0.2† | 0.1 | 0.5 | .507 |
Hispanic | 1.8 | 1.4 | 2.4 | 1.7 | 1.3 | 2.3 | 1.2 | 0.9 | 1.7 | .063 |
Other | 2.0 | 1.2 | 3.3 | 1.2 | 0.8 | 1.7 | 0.8 | 0.5 | 1.3 | .033 |
US census region‡ | ||||||||||
Northeast | 4.1 | 3.3 | 5.1 | 3.7 | 3.1 | 4.5 | 3.1 | 2.4 | 4.0 | .080 |
Midwest | 8.6 | 7.6 | 9.7 | 7.3 | 6.5 | 8.1 | 5.3 | 4.5 | 6.2 | <.001 |
South | 5.4 | 4.8 | 6.2 | 3.2 | 2.8 | 3.7 | 3.4 | 3.0 | 4.0 | <.001 |
West | 3.7 | 3.0 | 4.6 | 3.1 | 2.6 | 3.7 | 2.1 | 1.7 | 2.7 | <.001 |
Most common users | ||||||||||
NonHispanic white females by age, y | ||||||||||
18–21 | 31.8 | 25.7 | 38.7 | 21.6 | 17.4 | 26.5 | 20.4 | 15.4 | 26.5 | .011 |
22–25 | 29.6 | 24.6 | 35.1 | 27.0 | 22.4 | 32.2 | 13.9 | 10.7 | 18.0 | <.001 |
26–29 | 22.1 | 18.1 | 26.8 | 17.3 | 14.0 | 21.1 | 13.8 | 10.0 | 18.8 | .009 |
Indoor tanning is 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. Estimates based on weighted data. Sample sizes (n) are unweighted. Percentages and 95% CI are based on weighted population estimates.
CI, Confidence interval.
P value based on linear contrast for trend among the estimates over the 3 years.
Estimates based on fewer than 30 observations or with a relative standard error >0.30 are considered unreliable by the standards of the National Center for Health Statistics.
Northeast: Connecticut, Maine, Massachusetts, New Jersey, New Hampshire, New York, Pennsylvania, Rhode Island, and Vermont; Midwest: Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and Wisconsin; South: Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, and West Virginia; West: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington, and Wyoming.