Keyes Katherine M, Hamilton Ava, Kandel Denise B
Katherine M. Keyes and Ava Hamilton are with the Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY. Denise B. Kandel is with the College of Physicians and Surgeons, Columbia University, and the New York State Psychiatric Institute, New York.
Am J Public Health. 2016 Jun;106(6):1143-9. doi: 10.2105/AJPH.2016.303128. Epub 2016 Apr 14.
To examine whether the drug behavior of adults from different birth cohorts is shaped by adolescent drug experiences and whether adult prevalence of marijuana and cocaine use depends on adolescent cigarette or alcohol use prevalence.
We analyzed 18 birth cohorts comprising 8th, 10th, and 12th graders, sampled from 1991 to 2008, from Monitoring the Future, an annual nationally representative cross-sectional survey of high school students in the United States (n = 864 443).
Within cohorts, lifetime rates of 8th and 10th grade cigarette use were significantly associated with subsequent lifetime rates of marijuana and cocaine use, controlling for trends in use and social norms toward drug use. Each percent increase (or decrease) in 8th and 10th grade smoking was associated with an 8% increase (or decrease) in prevalence of later marijuana use and 14% to 23% increase (or decrease) in prevalence of later cocaine use. Relationships were consistent by gender and race/ethnicity.
Prevalences of smoking in 8th and 10th grade and of marijuana and cocaine use in 12th grade are associated. Public health campaigns should focus on early stages of adolescence, when drug use habits are forming.
探讨不同出生队列的成年人的药物使用行为是否受青少年药物使用经历的影响，以及成年人使用大麻和可卡因的流行率是否取决于青少年吸烟或饮酒的流行率。
我们分析了1991年至2008年从美国高中生年度全国代表性横断面调查“未来监测”中抽取的18个出生队列，包括八年级、十年级和十二年级学生（n = 864443）。
在各队列中，控制药物使用趋势和社会规范后，八年级和十年级学生的终生吸烟率与随后的终生大麻和可卡因使用率显著相关。八年级和十年级吸烟率每增加（或减少）1%，后期大麻使用流行率增加（或减少）8%，后期可卡因使用流行率增加（或减少）14%至23%。按性别和种族/族裔划分，这种关系是一致的。
八年级和十年级的吸烟率与十二年级的大麻和可卡因使用率相关。公共卫生运动应关注青少年早期，即药物使用习惯形成的阶段。
