. 2018 Sep 1;5(6):359–367. doi: 10.1089/lgbt.2017.0212

Table 2.

Trends in Prevalence of Lifetime Alcohol Use, Early Onset Use, Past 30-Day Use, and Past 30-Day Heavy Episodic Drinking, Across Years, Within Sexual Identity Groups: Youth Risk Behavior Survey (2007–2015)

						Linear trend comparison
	Unadjusted prevalence (%)					Change 2007–2015
	2007	2009	2011	2013	2015	F	p
Boys
Lifetime alcohol use
Heterosexual	70.32	68.06	66.40	61.26	52.32	85.28^a	<0.001
Bisexual	89.20	90.99	74.89	83.61	79.85	5.42	0.020
Gay	71.31	85.74	78.31	79.71	77.07	0.04	0.843
Unsure	71.38	36.14	48.93	61.83	57.81	0.12	0.724
Early onset use
Heterosexual	20.84	23.08	19.32	18.19	15.97	32.74	<0.001
Bisexual	45.79	47.00	32.11	31.66	28.87	1.71	0.191
Gay	39.81	19.76	31.23	28.96	24.71	2.78	0.096
Unsure	36.71	11.60	22.07	27.02	25.99	0.01	0.909
Past 30-day use
Heterosexual	40.12	39.79	36.81	32.63	27.96	66.18	<0.001
Bisexual	58.37	44.60	55.32	45.64	37.89	6.63	0.010
Gay	36.02	54.30	56.03	46.91	43.16	0.18	0.671
Unsure	55.34	15.03	28.02	43.88	34.21	0.70	0.404
Past 30-day HED
Heterosexual	25.03	26.65	23.21	18.27	14.06	87.72	<0.001
Bisexual	23.75	23.74	32.48	27.21	19.70	0.18	0.667
Gay	20.45	31.69	38.29	25.89	20.28	0.02	0.886
Unsure	35.07	5.61	26.29	31.71	24.32	0.30	0.582
Girls
Lifetime alcohol use
Heterosexual	73.88	70.30	70.47	65.57	60.43	55.74	<0.001
Bisexual	87.89	87.18	85.04	84.55	73.40	9.99	0.002
Lesbian	86.04	87.52	83.57	86.26	66.67	3.50	0.061
Unsure	72.03	71.34	65.50	67.60	58.64	3.86	0.050
Early onset use
Heterosexual	15.45	15.38	14.17	12.53	11.14	24.08	<0.001
Bisexual	27.32	33.99	30.31	27.77	22.39	2.18	0.134
Lesbian	20.81	30.76	53.04	27.97	24.41	0.23	0.634
Unsure	28.86	16.70	19.83	22.89	15.45	1.19	0.276
Past 30-day use
Heterosexual	41.49	37.68	37.68	32.93	30.63	35.48	<0.001
Bisexual	66.92	41.97	51.49	52.03	43.58	8.40	0.004
Lesbian	38.53	74.29	47.57	50.81	34.62	2.94	0.086
Unsure	39.25	35.33	40.20	34.83	27.43	2.74	0.098
Past 30-day HED
Heterosexual	21.57	21.72	19.80	15.00	13.59	34.47	<0.001
Bisexual	35.24	26.15	27.37	22.89	21.47	3.12	0.078
Lesbian	14.53	44.48	17.26	26.96	13.20	0.24	0.625
Unsure	29.87	18.08	18.58	18.91	15.82	2.15	0.143

Data were weighted and design adjusted. Linear trend comparisons were adjusted for age, race/ethnicity, and state. F-values in bold indicate p < 0.05.

^{^a}

Quadratic models indicated a significant change from 2007 to 2009, 2011 to 2013, and 2013 to 2015.

HED, heavy episodic drinking.