Table 5.

Mediation Effects of Bullying on the Association between Sexual Identity and Alcohol Use Outcomes, Bisexual vs. Heterosexual Females in the 2015 National YRBS.

	Electronic Bullying				In-School Bullying
Effects	Beta	S.E.a	95% CI value	p-value	Beta	S.E.a	95% CI value	p-value
From Sexual Identity to Ever Drank
Total effect	0.606	0.105	(0.405, 0.818)	<0.001	0.604	0.105	(0.404, 0.816)	<0.001
Indirect effect via bullying	0.047	0.011	(0.029, 0.070)	<0.001	0.059	0.015	(0.032, 0.090)	<0.001
Direct effect	0.559	0.108	(0.355, 0.776)	<0.001	0.545	0.103	(0.350, 0.751)	<0.001
From Sexual Identity to Age at First Drink (<13 vs 13+)
Total effect	0.300	0.094	(0.130, 0.495)	0.001	0.296	0.095	(0.127, 0.492)	0.002
Indirect effect via bullying	0.032	0.011	(0.011, 0.056)	0.005	0.013	0.008	(−0.001, 0.031)	0.102
Direct effect	0.032	0.011	(0.095, 0.466)	0.005	0.283	0.096	(0.111, 0.481)	0.003
From Sexual Identity to Drank Alcohol, Last 30 Days
Total effect	0.302	0.092	(0.126, 0.484)	0.001	0.301	0.092	(0.124, 0.480)	0.001
Indirect effect via bullying	0.043	0.009	(0.027, 0.063)	<0.001	0.049	0.120	(0.028, 0.074)	<0.001
Direct effect	0.260	0.094	(0.077, 0.446)	0.006	0.253	0.092	(0.073, 0.432)	0.006
From Sexual Identity to Binge Drank, Last 30 Days
Total effect	0.197	0.078	(0.037, 0.345)	0.012	0.196	0.078	(0.040, 0346)	0.012
Indirect effect via bullying	0.041	0.011	(0.023, 0.064)	<0.001	0.056	0.014	(0.031, 0.085)	<0.001
Direct effect	0.156	0.08	(−0.009, 0.307)	0.053	0.139	0.081	(−0.024, 0.294)	0.084

^aBootstrap derived standard errors (S.E.) and 95% confidence interval (CI); 10,000 bootstrap sample