TABLE 4.

Latent class multinomial logistic regression: predictors of latent class membership (n=26,348)

	Latent class
	Constant users				Interactive users				Television watchers				Infrequent users
	b	SE	OR	p	b	SE	OR	p	b	SE	OR	p
Intercepts	−1.43	0.13	0.24	.00	−.56	0.09	0.57	.00	−1.02	0.10	0.36	.00	Ref
Demographics
Male (vs. female)	−.83	0.07	0.44	.00	−.76	0.05	0.47	.00	−.04	0.06	0.96	.48	Ref
Race/ethnicity (vs. White)
Black	1.72	0.10	5.58	.00	.27	0.10	1.30	.01	.99	0.11	2.69	.00	Ref
Asian	−.76	0.28	0.47	.01	−.36	0.17	0.70	.03	−.53	0.17	0.59	.00	Ref
Hispanic	.39	0.12	1.48	.00	−.07	0.08	0.93	.39	.19	0.08	1.21	.02	Ref
Other	.77	0.10	2.17	.00	.27	0.09	1.30	.00	.37	0.10	1.44	.00	Ref
Grade 8 (vs. Grade 10)	.03	0.09	1.03	.76	−.32	0.06	0.73	.00	.07	0.07	1.07	.33	Ref
Parent ed. (college+ vs. < college)	−.43	0.07	0.65	.00	−.29	0.06	0.75	.00	−.35	0.07	0.70	.00	Ref
Academics
High grades	−.60	0.08	0.55	.00	−.22	0.07	0.80	.00	−.23	0.08	0.79	.00	Ref
5+ homework hr	−.03	0.08	0.97	.72	.06	0.05	1.06	.27	.02	0.06	1.02	.80	Ref
Participate in extracurricular activities	.11	0.08	1.11	.18	.12	0.06	1.13	.04	−.20	0.07	0.82	.00	Ref
Substance use
Alcohol use past 12 months	.82	0.08	2.28	.00	.63	0.06	1.88	.00	−.08	0.08	0.93	.33	Ref
Marijuana use past 12 months	.39	0.09	1.47	.00	.57	0.07	1.76	.00	−.17	0.10	0.84	.10	Ref

Note: Significance at p < .01.

Abbreviation: OR, odds ratio.