提高酒精税对马里兰州大学生酒精相关后果的影响。
Impact of Alcohol Tax Increase on Maryland College Students' Alcohol-Related Outcomes.
机构信息
a Department of Epidemiology and Biostatistics , Michigan State University College of Human Medicine , Flint , Michigan , USA.
b University of The West Indies St. Augustine , Trinidad and Tobago.
出版信息
Subst Use Misuse. 2018 May 12;53(6):1015-1020. doi: 10.1080/10826084.2017.1392978. Epub 2017 Dec 1.
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.
目的
本研究 A）评估了在 2011 年马里兰州（MD）州将酒精税从 6%提高到 9%后，MD 大学生的与酒精相关的纪律处分水平是否发生了变化，B）确定了哪些学校层面的因素影响了检测到的变化幅度。
方法
对包含 2006-2013 年 33 所 MD 大学校园内与酒精相关的纪律处分的面板数据进行了准实验性中断时间序列（ITS）分析。使用负二项回归模型来检查在税收增加前后，与酒精相关的纪律处分的数量是否存在统计学上的显著差异。
结果
ITS 分析显示，与酒精相关的纪律处分与税收实施之间没有显著关系（β=-.27；p=.257），但表明在研究期间，与酒精相关的纪律处分显著减少（β=-.05；p=.022）。
讨论
在研究期间，与酒精相关的纪律处分随着时间的推移而减少，这种关系与学校价格、学校资金类型、授予学位的类型以及专业等学校层面的几个特征相关。学校价格可能是时间对纪律处分的影响的中介或混杂因素。
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