Behavioral Health and Health Policy Practice, Westat, Rockville, MD, United States
Behavioral Health and Health Policy Practice, Westat, Rockville, MD, United States.
Tob Control. 2020 May;29(Suppl 3):s170-s177. doi: 10.1136/tobaccocontrol-2020-055628.
Use of smokeless tobacco (SLT) with other tobacco products is growing, yet gaps in understanding transitions among SLT and other product use remain. The aim of this study is to examine cross-sectional prevalence and longitudinal pathways of SLT use among US youth (12-17 years), young adults (18-24 years) and adults 25+ (25 years and older).
Data were drawn from the first three waves (2013-2016) of the Population Assessment of Tobacco and Health Study, a nationally representative, longitudinal cohort study of US youth and adults. Respondents with data at all three waves (youth, n=11 046; young adults, n=6478; adults 25+, n=17 188) were included in longitudinal analyses.
Young adults had the highest current SLT use compared with other age groups. Among Wave 1 (W1) past 30-day youth and young adult SLT users, most were SLT and cigarette polytobacco users compared with adults 25+, who more often used SLT exclusively. Among W1 exclusive SLT users, persistent exclusive use across all three waves was more common among adults 25+, while transitioning from exclusive SLT use to SLT polytobacco use at Wave 2 or Wave 3 was more common among youth and young adults. Among W1 SLT and cigarette polytobacco users, a common pathway was discontinuing SLT use but continuing other tobacco use.
Our results showed distinct longitudinal transitions among exclusive and SLT polytobacco users. Deeper understanding of these critical product transitions will allow for further assessment of population health impact of these products.
无烟烟草（SLT）与其他烟草制品的联合使用正在增加，但对 SLT 和其他产品使用之间的转变的理解仍存在差距。本研究旨在考察美国青少年（12-17 岁）、青年（18-24 岁）和成年人（25 岁及以上）中 SLT 使用的横断面流行率和纵向途径。
数据来自人口烟草和健康评估研究的前三个波次（2013-2016 年），这是一项针对美国青少年和成年人的全国代表性纵向队列研究。在所有三个波次（青少年，n=11046；青年，n=6478；成年人 25 岁及以上，n=17188）均有数据的受访者被纳入纵向分析。
与其他年龄组相比，青年成年人的当前 SLT 使用率最高。在第 1 波（W1）过去 30 天的青少年和青年 SLT 用户中，与成年人 25 岁及以上者相比，大多数是 SLT 和香烟多烟草使用者，后者更多地仅使用 SLT。在 W1 中仅使用 SLT 的用户中，在所有三个波次中持续仅使用 SLT 的情况在成年人 25 岁及以上者中更为常见，而从仅使用 SLT 转变为在第 2 波或第 3 波次同时使用 SLT 和香烟则在青少年和青年中更为常见。在 W1 中仅使用 SLT 和香烟多烟草的用户中，一种常见的途径是停止使用 SLT，但继续使用其他烟草制品。
我们的结果表明，在仅使用 SLT 和 SLT 多烟草使用者中存在明显的纵向转变。对这些关键产品转变的更深入了解将有助于进一步评估这些产品对人口健康的影响。
