Division of Epidemiology, Services, and Prevention Research, National Institute on Drug Abuse, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA.
J Adolesc Health. 2013 Jun;52(6):716-23. doi: 10.1016/j.jadohealth.2012.12.006. Epub 2013 Feb 25.
The current study examines the prevalence and demographic correlates of self-reported substance use and identifies subgroups of polysubstance users among a cohort of United States 10th-grade students.
A nationally representative school-based cohort of United States 10th-grade students completed the NEXT Generation Health Study baseline survey in spring 2010 (N = 2,524).
Past-year use of marijuana was most common among illicit drugs (26%), followed by misuse of medication (9%) and use of other illicit drugs (8%). During the past month, alcohol use was reported by more than one third (35%), binge drinking by 27%, and cigarette smoking by 19%. Results further show that substance use varied somewhat by demographic characteristics. Results from the latent class analysis of polysubstance use indicated a four-class solution as the best-fitting model; class 1 (59%) included the nonuser group; class 2 (23%) comprised the predominant alcohol user group; class 3 (11%) formed the predominant marijuana user group; and class 4 (8%) was characterized as the predominant polysubstance user group. Somatic and depressive symptoms varied significantly by class membership, with predominant polysubstance users reporting elevated levels of somatic and depressive symptoms.
The findings from this national study of 10th-grade students indicate high rates of substance and polysubstance use. The high level of depressive and somatic symptoms among polysubstance users indicates the need for mental health screening and referral.
本研究调查了自我报告的物质使用的流行率和人口统计学相关性，并确定了美国十年级学生队列中多种物质使用者的亚组。
一个具有全国代表性的美国十年级学生的学校队列在 2010 年春季完成了下一代健康研究基线调查（N=2524）。
过去一年中，大麻是最常见的非法药物（26%），其次是药物滥用（9%）和其他非法药物使用（8%）。在过去的一个月中，超过三分之一的人（35%）报告饮酒，27%的人 binge drinking，19%的人吸烟。结果还表明，物质使用在一定程度上因人口统计学特征而异。多元物质使用的潜在类别分析结果表明，四分类模型是最佳拟合模型；第 1 类（59%）包括非使用者群体；第 2 类（23%）包括主要的酒精使用者群体；第 3 类（11%）形成了主要的大麻使用者群体；第 4 类（8%）的特点是主要的多种物质使用者群体。躯体和抑郁症状在分类成员中差异显著，主要的多种物质使用者报告的躯体和抑郁症状水平较高。
这项针对十年级学生的全国性研究的结果表明，物质和多种物质的使用率很高。多种物质使用者的抑郁和躯体症状水平较高表明需要进行心理健康筛查和转介。
