“College fields of study and substance use”

BMC Public Health

Table 4 Longitudinal Results of the Association Between College Fields of Study and Substance Use Behaviors from Multilevel Negative Binominal Regression (N = 1031)

	Full Sample (N = 1031)				Men (N = 428)			Women (N = 603)
	Coefficient	S.E.	95% C.I.		Coefficient	S.E.	95% C.I.		Coefficient	S.E.	95% C.I.
*Major (Ref: Arts & Humanities)*
STEM	0.138	0.673	−1.182	1.457	0.887	0.515	−0.122	1.896	−0.392	0.489	−1.350	0.567
Health	0.930	1.162	−1.349	3.208	−0.791	1.626	−3.977	2.396	0.531	0.602	−0.649	1.710
Education	0.945	0.925	−0.869	2.758	−0.352	0.951	−2.216	1.512	0.714	0.515	−0.295	1.724
Social Sciences	1.721*	0.672	0.403	3.039	2.233***	0.606	1.045	3.422	0.366	0.438	−0.493	1.224
Business	1.533*	0.747	0.069	2.998	1.721**	0.514	0.714	2.729	0.084	0.482	−0.861	1.030
Others	−0.045	1.311	−2.615	2.525	0.711	0.958	−1.167	2.589	−0.423	0.899	−2.186	1.340
Multiple Field	0.995	0.769	−0.513	2.503	1.605*	0.709	0.216	2.994	0.020	0.472	−0.905	0.945
*Age*	0.217***	0.049	0.120	0.313	0.285*	0.127	0.037	0.534	−0.017	0.103	−0.218	0.184
*Change in Substance Use by Major*
STEM × Age	−0.014	0.030	−0.072	0.044	−0.048*	0.022	−0.092	−0.004	0.017	0.022	−0.026	0.060
Health × Age	−0.046	0.051	−0.146	0.054	0.023	0.071	−0.117	0.163	−0.026	0.026	−0.077	0.026
Education × Age	−0.046	0.041	−0.126	0.034	0.018	0.041	−0.062	0.097	−0.033	0.023	−0.078	0.011
Social Sciences × Age	−0.079**	0.030	−0.137	−0.020	− 0.100***	0.026	− 0.151	−0.049	− 0.014	0.019	− 0.052	0.023
Business × Age	−0.063	0.033	−0.127	0.002	−0.074**	0.022	−0.118	−0.030	− 0.001	0.021	− 0.042	0.041
Others × Age	−0.004	0.057	−0.116	0.108	−0.036	0.041	−0.117	0.045	0.017	0.040	−0.061	0.094
Multiple Fields^a × Age	−0.040	0.034	−0.107	0.026	−0.080	0.031	−0.140	−0.019	0.005	0.021	−0.035	0.046

*** p < .001, **p < .01, *p < .05
Abbreviations: Ref. reference, S.E. standard error, C.I. confidence interval
Sample includes only those individuals who attained a bachelor’s degree. All models control for aforementioned covariates
^aMultiple Fields refers to individuals with a double major in different fields of college major only; individuals with a double major in the same field of college major are not categorized into Multiple Fields

ISSN: 1471-2458