TABLE 2.

Changes in Reported Sexual Orientation Identity Over Time: 2009–2017

	Sexual Orientation Identity
	Heterosexual	Gay or Lesbian	Bisexual	Not Sure	Any Sexual Minority (Gay, Lesbian, Bisexual, or Not Sure)
	% (95% CI)	% (95% CI)	% (95% CI)	% (95% CI)	% (95% CI)
All adolescents (N = 110 243)
2009	92.7 (92.0 to 93.5)	1.4 (1.1 to 1.7)	3.9 (3.4 to 4.4)	2.0 (1.6 to 2.3)	7.3 (6.5 to 8.0)
2011	91.3 (90.2 to 92.3)	1.9 (1.5 to 2.3)	4.1 (3.3 to 4.9)	2.8 (2.4 to 3.2)	8.7 (7.7 to 9.8)
2013	89.8 (88.5 to 91.0)	2.0 (1.6 to 2.5)	4.9 (4.0 to 5.8)	3.3 (2.7 to 3.9)	10.2 (9.0 to 11.5)
2015	88.2 (87.0 to 89.4)	2.1 (1.7 to 2.4)	6.3 (5.4 to 7.2)	3.4 (2.8 to 4.1)	11.8 (10.6 to 13.0)
2017	85.7 (84.4 to 87.1)	2.8 (2.3 to 3.3)	7.2 (6.5 to 7.9)	4.3 (3.9 to 4.8)	14.3 (12.9 to 15.6)
Female students (N = 54 035)
2009	90.8 (89.7 to 91.9)	1.1 (0.7 to 1.5)	5.9 (5.2 to 6.7)	2.2 (1.7 to 2.7)	9.2 (8.1 to 10.3)
2011	88.4 (87.0 to 90.0)	1.7 (1.2 to 2.2)	6.4 (5.2 to 7.5)	3.5 (2.8 to 4.2)	11.6 (10.1 to 13.0)
2013	87.0 (85.3 to 88.7)	1.7 (1.2 to 2.3)	7.9 (6.4 to 9.3)	3.4 (2.7 to 4.1)	13.0 (11.3 to 14.7)
2015	85.1 (83.3 to 87.0)	1.9 (1.3 to 2.5)	9.1 (7.9 to 10.3)	3.8 (2.9 to 4.7)	14.9 (13.0 to 16.7)
2017	80.4 (78.7 to 82.0)	2.9 (2.3 to 3.5)	11.3 (10.2 to 12.5)	5.4 (4.7 to 6.2)	19.6 (18.0 to 21.3)
Male students (N = 56 208)
2009	94.6 (93.7 to 95.6)	1.7 (1.3 to 2.1)	1.9 (1.4 to 2.4)	1.8 (1.1 to 2.4)	5.4 (4.4 to 6.3)
2011	94.1 (93.1 to 95.1)	2.1 (1.4 to 2.7)	1.8 (1.3 to 2.4)	2.1 (1.6 to 2.5)	5.9 (4.9 to 6.9)
2013	92.4 (91.2 to 93.6)	2.3 (1.7 to 3.0)	2.0 (1.5 to 2.6)	3.2 (2.4 to 4.0)	7.6 (6.4 to 8.8)
2015	91.2 (90.1 to 92.4)	2.2 (1.7 to 2.7)	3.5 (2.7 to 4.4)	3.1 (2.3 to 3.8)	8.8 (7.6 to 9.9)
2017	91.1 (89.9 to 92.2)	2.6 (2.0 to 3.3)	3.1 (2.6 to 3.5)	3.2 (2.6 to 3.8)	8.9 (7.8 to 10.1)

Sample A: sexual orientation identity among adolescents from 6 states with data on sexual orientation identity, 2009–2017.