The present study examined associations between parents' and their children's ages of onset of cannabis use using a data synthesis methodology to pool data from 3 similarly designed intergenerational studies. Regarding age of first use of cannabis, prospective data were collected at one or more assessments from early to late adolescence in each generation. The extent to which parent and offspring gender separately or jointly moderated intergenerational effects was examined. Data were harmonized from studies originating in the states of Washington (Bailey, Hill, Epstein, Steeger, & Hawkins, 2018), New York (Thornberry, Henry, Krohn, Lizotte, & Nadel, 2018), and Oregon (Capaldi, Kerr, & Tiberio, 2018) when the parents were in late childhood to early adolescence; analyses concerned 1,081 parents and their children from 971 unique families. Parents' and their children's age of cannabis use onset during adolescence were modeled using discrete-time survival analysis techniques. Although data were successfully synthesized across the studies, the primary hypothesis was not supported: parents' earlier age of first cannabis use during adolescence was not significantly associated with earlier onset of cannabis use in the offspring generation. Rather, parents' histories of any cannabis use in adolescence-regardless of timing-were linked with increased risk for early onset cannabis use by their children compared to parents with no history of use during adolescence. There were no significant parent, child, or parent-by-child gender moderation effects. Thus, prevention of adolescent onset of cannabis in one generation may have prevention benefits for the next. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

中文翻译：

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青春期开始使用大麻的代际关联：数据综合方法。

本研究使用数据合成方法来汇集来自 3 项类似设计的代际研究的数据，研究了父母和他们的孩子开始使用大麻的年龄之间的关联。关于首次使用大麻的年龄，在每一代从青春期早期到晚期的一次或多次评估中收集了前瞻性数据。检查了父母和后代性别分别或共同调节代际影响的程度。来自华盛顿州（Bailey、Hill、Epstein、Steeger 和 Hawkins，2018 年）、纽约州（Thornberry、Henry、Krohn、Lizotte 和 Nadel，2018 年）和俄勒冈州（Capaldi、Kerr， & Tiberio, 2018) 当父母在童年晚期到青春期早期；相关分析 1, 来自 971 个独特家庭的 081 位父母和他们的孩子。使用离散时间生存分析技术对父母及其子女在青春期开始使用大麻的年龄进行建模。尽管在这些研究中成功地综合了数据，但不支持主要假设：父母在青春期首次吸食大麻的年龄较早与后代较早开始吸食大麻没有显着相关性。相反，与青春期没有使用大麻史的父母相比，父母在青春期使用任何大麻的历史 - 无论时间如何 - 都与他们的孩子早发性使用大麻的风险增加有关。没有显着的父母、孩子或父母与孩子之间的性别调节效应。因此，在一代人中预防青少年吸食大麻可能对下一代有预防作用。（PsycInfo 数据库记录 (c) 2020 APA，保留所有权利）。