Impact of Alcohol Tax Increase on Maryland College Students' Alcohol-Related Outcomes. Smart, M. J., Yearwood, S. S., Hwang, S., Thorpe, R. J., & Furr-Holden, C. D. Substance Use & Misuse, December, 2017.
doi  abstract   bibtex   
OBJECTIVE: This study A) assessed whether levels of alcohol-related disciplinary actions on college campuses changed among MD college students after the 2011 Maryland (MD) state alcohol tax increase from 6% to 9%, and B) determined which school-level factors impacted the magnitude of changes detected. METHOD: A quasi-experimental interrupted time series (ITS) analysis of panel data containing alcohol-related disciplinary actions on 33 MD college campuses in years 2006-2013. Negative binomial regression models were used to examine whether there was a statistically significant difference in counts of alcohol-related disciplinary actions comparing time before and after the tax increase. RESULTS: The ITS anaysis showed an insignificant relationship between alcohol-related disciplinary actions and tax implementation (β = -.27; p =.257) but indicated that alcohol-related disciplinary actions decreased significantly over the time under study (β = -.05; p =.022). DISCUSSION: Alcohol related disciplinary actions did decrease over time in the years of study, and this relationship was correlated with several school-level characteristics, including school price, school funding type, types of degrees awarded, and specialty. School price may serve as a proxy mediator or confounder of the effect of time on disciplinary actions.
@article{smart_impact_2017,
	title = {Impact of {Alcohol} {Tax} {Increase} on {Maryland} {College} {Students}' {Alcohol}-{Related} {Outcomes}},
	issn = {1532-2491},
	doi = {10.1080/10826084.2017.1392978},
	abstract = {OBJECTIVE: This study A) assessed whether levels of alcohol-related disciplinary actions on college campuses changed among MD college students after the 2011 Maryland (MD) state alcohol tax increase from 6\% to 9\%, and B) determined which school-level factors impacted the magnitude of changes detected.
METHOD: A quasi-experimental interrupted time series (ITS) analysis of panel data containing alcohol-related disciplinary actions on 33 MD college campuses in years 2006-2013. Negative binomial regression models were used to examine whether there was a statistically significant difference in counts of alcohol-related disciplinary actions comparing time before and after the tax increase.
RESULTS: The ITS anaysis showed an insignificant relationship between alcohol-related disciplinary actions and tax implementation (β = -.27; p =.257) but indicated that alcohol-related disciplinary actions decreased significantly over the time under study (β = -.05; p =.022).
DISCUSSION: Alcohol related disciplinary actions did decrease over time in the years of study, and this relationship was correlated with several school-level characteristics, including school price, school funding type, types of degrees awarded, and specialty. School price may serve as a proxy mediator or confounder of the effect of time on disciplinary actions.},
	language = {eng},
	journal = {Substance Use \& Misuse},
	author = {Smart, Mieka J. and Yearwood, Safiya S. and Hwang, Seungyoung and Thorpe, Roland J. and Furr-Holden, C. Debra},
	month = dec,
	year = {2017},
	pmid = {29192806},
	keywords = {Tax, alcohol, campus, college, disciplinary action, students},
	pages = {1--6}
}

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