Smoking topography in response to denicotinized and high-yield nicotine cigarettes in adolescent smokers
Smoking topography in response to denicotinized and high-yield nicotine cigarettes in adolescent smokers
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DOI：
10.1016/j.jadohealth.2006.08.006
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发表时间：
2007-01-01
影响因子：
7.6
通讯作者：
Eissenberg, Thomas
中科院分区：
文献类型：
--
作者：
Kassel, Jon. D.;Greenstein, Justin E.;Eissenberg, Thomas
目的：探讨青少年吸烟者的吸烟地形图。众所周知，大多数成年尼古丁依赖型吸烟者在青少年时期就开始吸烟。虽然最近在确定易患尼古丁依赖的因素方面取得了进展，但对青少年吸烟者的实际吸烟行为(例如，地形)或其与尼古丁依赖的关系知之甚少。相应地，青少年吸烟者吸烟以获得尼古丁的程度也是未知的。方法：在本研究中，我们评估了35名轻度青少年吸烟者的几个吸烟地形指数(例如，烟雾量、烟雾数)。此外，我们还检验了吸烟行为对吸烟的反应是否与吸烟量高的尼古丁香烟的反应不同。结果：所有参与者在吸烟后呼出空气中一氧化碳的显著增加。独立样本t检验的结果显示，吸低量尼古丁香烟的青少年每支烟的吸烟量明显多于那些吸高成品量香烟的青少年。结论：这些发现表明，青少年吸烟者确实会因为吸烟而滴定他们的尼古丁摄入量，但这不是通过吸更大的烟或更快地吸烟来实现的，而是通过简单地每支烟吸更多的烟来实现的。文中还讨论了研究结果的意义和对青少年进行这类研究的未来方向。(C)2007年青春期医学会。版权所有。
Purpose: The objective of this study was to explore the smoking topography of adolescent smokers. It is well established that the majority of adult nicotine-dependent smokers began smoking as adolescents. Whereas recent advances have been made with respect to identification of factors that predispose to nicotine dependence, very little is known about the actual smoking behavior (e.g., topography) of adolescent smokers, or its relationship to nicotine dependence. Correspondingly, the extent to which adolescent smokers smoke to obtain nicotine is also unknown.Methods: In the present study, we assessed several topographical indices of smoking (e.g., puff volume, puff number) in a sample of 35 light, adolescent smokers. Moreover, we examined whether smoking behavior is different in response to smoking a denicotinized relative to a high-yield, nicotine cigarette.Results: All participants evidenced a significant increase in expired air carbon monoxide after the smoking of a cigarette. Results of independent-sample t-tests revealed that adolescents who smoked a low-yield nicotine cigarette took significantly more puffs per cigarette than did those who smoked a high-yield cigarette.Conclusions: These findings suggest that adolescent smokers do titrate their nicotine intake in response to smoking denicotinized cigarettes, but do so not by taking larger puffs or smoking more quickly, but by simply taking more puffs per cigarette. Implications of the findings and future directions for this type of research with adolescents are discussed. (c) 2007 Society for Adolescent Medicine. All rights reserved.