Changes in puffing behavior among smokers who switched from tobacco to electronic cigarettes.
Changes in puffing behavior among smokers who switched from tobacco to electronic cigarettes.
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DOI：
10.1016/j.addbeh.2015.04.003
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发表时间：
2015-09
影响因子：
4.4
通讯作者：
Goniewicz, Maciej Lukasz
中科院分区：
文献类型：
--
作者：
Lee, Yong Hee;Gawron, Michal;Goniewicz, Maciej Lukasz
电子烟(电子烟)的尼古丁摄入量随着用户体验的增加而增加。这表明，从烟草转向电子烟的吸烟者会随着时间的推移对尼古丁进行补偿，以获得他们需要的尼古丁。吸烟者补偿尼古丁的机制之一是改变他们的吸食行为。这项研究的目的是评估经常吸烟的人从传统香烟转向电子烟后吸烟行为的变化。20名对电子烟天真的吸烟者(11名女性，年龄31±10岁，CPD 16±8岁，FTND 4±3岁，呼出CO 16±17(平均值±标准差))。他们被要求在两周内用第一代电子烟(标签为18毫克尼古丁)取代他们的普通烟草香烟。在最初使用时(基线)以及产品使用一周和两周后测量膨化地形(泡沫数、泡沫量、泡沫间间隔和平均泡沫流率)。我们使用重复测量方差分析来测试膨化地形结果的变化。我们发现，在使用电子烟一周后，参与者吸电子烟的平均时间显著增加，从2.2±0.1秒增加到3.1±0.3秒(p<；0.05)。使用电子烟一周后，平均吸烟量从30.6±2.3毫升/秒降至25.1±1.8毫升/秒(p<；0.05)。我们的数据显示，吸烟者在从烟草转向电子烟后，通过吸更长时间和更慢的烟来改变他们的吸烟行为。改变吸烟行为的潜在原因是为了弥补电子烟尼古丁传递效率较低的影响。
Nicotine intake from electronic cigarette (e-cigarettes) increases with user’s experience. This suggests that smokers who switched from tobacco to electronic cigarettes compensate for nicotine over the time to get as much nicotine as they need. One of the mechanism by which smokers may compensate for nicotine is by modifying their puffing behavior. The aim of the study was to assess the changes in puffing behavior after switching from conventional to electronic cigarettes among regular smokers. Twenty smokers (11 female, aged 31±10, CPD 16±8, FTND 4±3, and exhaled CO 16±17 (mean±SD)) who were naïve to e-cigarettes participated in this study. They were asked to substitute their regular tobacco cigarettes with first generation e-cigarettes (labelled 18 mg nicotine) for two weeks. Puffing topography (number of puffs, puff volume, intervals between puffs, and average puff flow rate) was measured at the initial use (baseline), as well as after one and two weeks of product use. We tested changes in puffing topography outcomes using repeated measures ANOVA. We found that after one week of using e-cigarettes, participants significantly increased the average time they puffed on e-cigarettes from 2.2±0.1 (mean±SEM) to 3.1±0.3 sec (p<0.05). The average puff flow rate decreased from 30.6±2.3 to 25.1±1.8 ml/sec after one week of e-cigarette use (p<0.05). Our data show that smokers modify their puffing behavior after switching from tobacco to electronic cigarettes by taking longer and slower puffs. The potential reason for changing puffing behavior is to compensate for less efficient nicotine delivery from e-cigarettes.
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