TABLE 2—

Association Between State Indoor Tanning Laws and Indoor Tanning Among High School Students Younger Than 18 Years: National Youth Risk Behavioral Surveys, United States, 2009–2015

Variable	Females (n = 21 005), APR (95% CI)	Males (n = 20 308), APR (95% CI)
Law
Not affected by law (Ref)	1	1
Parental permission law	0.94 (0.80, 1.11)	0.95 (0.75, 1.21)
Age restriction law	0.53 (0.40, 0.71)	0.77 (0.54, 1.10)
Age group, y
≤ 14 (Ref)	1	1
15	1.27 (1.09, 1.48)	1.05 (0.80, 1.39)
16	1.87 (1.59, 2.19)	1.21 (0.90, 1.62)
17	2.24 (1.94, 2.60)	1.44 (1.09, 1.91)
Race/ethnicity
Non-Hispanic White (Ref)	1	1
Non-Hispanic Black	0.08 (0.06, 0.11)	0.88 (0.66, 1.17)
Hispanic	0.33 (0.28, 0.38)	0.98 (0.78, 1.21)
Non-Hispanic other	0.32 (0.25, 0.40)	1.05 (0.82, 1.34)
Year
2009 (Ref)	1	1
2011	0.81 (0.67, 0.97)	1.02 (0.76, 1.38)
2013	0.86 (0.71, 1.03)	0.77 (0.60, 1.00)
2015	0.54 (0.43, 0.67)	0.63 (0.43, 0.91)

Note. APR = adjusted prevalence ratio; CI = confidence interval. From a multivariable logistic regression model adjusting for student age, race/ethnicity, and survey year. Indoor tanning during the past 12 months before each survey.