医用大麻的可获得性、价格和品种多样性与青少年大麻使用的关系。
Medical Marijuana Availability, Price, and Product Variety, and Adolescents' Marijuana Use.
机构信息
Department of Family Medicine and Public Health, University of California, San Diego, California.
Department of Family Medicine and Public Health, University of California, San Diego, California.
出版信息
J Adolesc Health. 2018 Jul;63(1):88-93. doi: 10.1016/j.jadohealth.2018.01.008.
PURPOSE
We aimed to examine the availability of medical marijuana dispensaries, price of medical marijuana products, and variety of medical marijuana products in school neighborhoods and their associations with adolescents' use of marijuana and susceptibility to use marijuana in the future.
METHODS
A representative sample of 8th, 10th, and 12th graders (N = 46,646) from 117 randomly selected schools in California participated in the cross-sectional 2015-2016 California Student Tobacco Survey (CSTS). Characteristics of medical marijuana dispensaries in California were collected and combined with school locations to compute availability, price, and product variety of medical marijuana in school neighborhoods. Multilevel logistic regressions with random intercepts at school level were conducted to test the associations, accounting for individual and school socioeconomic characteristics.
RESULTS
The distance from school to the nearest medical marijuana dispensary (within 0- to 1-mi and 1- to 3-mi bands) was not associated with adolescents' use of marijuana in the past month or susceptibility to use marijuana in the future, nor was the weighted count of medical marijuana dispensaries within the 3-mi band of school. Neither the product price nor the product variety in the dispensary nearest to school was associated with marijuana use or susceptibility to use. The results were robust to different specifications of medical marijuana measures.
CONCLUSIONS
There was no evidence supporting the associations of medical marijuana availability, price, or product variety around school with adolescents' marijuana use and susceptibility to use.
目的
我们旨在研究医用大麻药房的供应情况、医用大麻产品的价格以及学校附近医用大麻产品的种类，并探讨这些因素与青少年当前使用大麻和未来使用大麻的易感性之间的关系。
方法
本研究采用横断面研究设计，选取了加利福尼亚州 117 所随机学校的 8 年级、10 年级和 12 年级学生（N=46646 人）作为研究对象，参与了 2015-2016 年加利福尼亚学生烟草调查（CSTS）。本研究收集了加利福尼亚医用大麻药房的特征，并将其与学校位置相结合，以计算学校附近医用大麻的供应情况、价格和种类。采用多水平逻辑回归模型，以学校为随机截距，对个体和学校社会经济特征进行了校正，以检验相关性。
结果
从学校到最近的医用大麻药房的距离（0-1 英里和 1-3 英里范围内）与青少年过去一个月内使用大麻或未来使用大麻的易感性无关，3 英里范围内医用大麻药房的加权数量也与大麻使用或易感性无关。离学校最近的药房的产品价格和产品种类均与大麻使用或易感性无关。不同医用大麻措施的结果均稳健。
结论
没有证据表明学校周围医用大麻的供应、价格或种类与青少年使用大麻和易感性之间存在关联。
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