Effect of viewing smoking in movies on adolescent smoking initiation: a cohort study
Effect of viewing smoking in movies on adolescent smoking initiation: a cohort study
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DOI：
10.1016/s0140-6736(03)13970-0
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发表时间：
2003-07-26
期刊：
影响因子：
168.9
通讯作者：
Heatherton, TF
中科院分区：
文献类型：
--
作者：
Dalton, MA;Sargent, JD;Heatherton, TF
背景在横断面研究中，电影中的吸烟暴露与青少年开始吸烟有关。我们进行了一项前瞻性研究，以确定是否暴露在电影中吸烟预测smokinginitiation.Method我们评估暴露在电影中显示的吸烟3547青少年，年龄在10-14岁，谁在基线调查报告，他们从来没有尝试过吸烟。根据从当代流行电影的较大样本池中随机选择的50部电影中观看的吸烟事件数量，估计了个人受访者在电影中的吸烟暴露。我们成功地重新联系了2603（73%）学生13-26个月后的后续采访，以确定他们是否已经开始smoking.Findings总体而言，10%（n = 259）的学生开始吸烟在后续期间。在接触电影吸烟的最高四分位数中，17%（107）的学生开始吸烟，而在最低四分位数中只有3%（22）。在控制基线特征后，接触电影吸烟的最高四分位数的青少年开始吸烟的可能性是最低四分位数的2.71倍（95%CI 1.73-4-25）。父母不吸烟的青少年接触电影吸烟的影响比父母吸烟的青少年更强。在这个队列中，52.2%（30.0-67-3）的吸烟开始可以归因于暴露于电影中的吸烟。解释我们的研究结果提供了强有力的证据表明，观看电影中的吸烟促进青少年吸烟开始。
Background Exposure to smoking in movies has been linked with adolescent smoking initiation in cross-sectional studies. We undertook a prospective study to ascertain whether exposure to smoking in movies predicts smoking initiation.Method We assessed exposure to smoking shown in movies in 3547 adolescents, aged 10-14 years, who reported in a baseline survey that they had never tried smoking. Exposure to smoking in movies was estimated for individual respondents on the basis of the number of smoking occurrences viewed in unique samples of 50 movies, which were randomly selected from a larger sample pool of popular contemporary movies. We successfully re-contacted 2603 (73%) students 13-26 months later for a follow-up interview to determine whether they had initiated smoking.Findings Overall, 10% (n = 259) of students initiated smoking during the follow-up period. In the highest quartile of exposure to movie smoking, 17% (107) of students had initiated smoking, compared with only 3% (22) in the lowest quartile. After controlling for baseline characteristics, adolescents in the highest quartile of exposure to movie smoking were 2.71 (95% Cl 1.73-4-25) times more likely to initiate smoking compared with those in the lowest quartile. The effect of exposure to movie smoking was stronger in adolescents with non-smoking parents than in those whose parent smoked. In this cohort, 52.2% (30.0-67-3) of smoking initiation can be attributed to exposure to smoking in movies.Interpretation Our results provide strong evidence that viewing smoking in movies promotes smoking initiation among adolescents.