| 其他摘要 | In recent years, the number of e-cigarette users has increased year by year, and the rate of e-cigarette use has risen to 0.9%, which is about 10.35 million people. The variety of flavors in e-cigarettes is one of the main reasons for the increase in users, while the increased nicotine content in e-cigarettes is likely to trigger dependent behavior. As the number of people using e-cigarettes continues to rise, so do the health problems. In this context, China has issued and implemented e-cigarette related control policies. From May 1，2022, the Regulations on the Administration of e-cigarettes were officially implemented, stipulating that the sale of flavored e-cigarettes other than tobacco flavor and e-cigarettes that can add atomization by themselves are prohibited, followed by the official implementation of the Mandatory National Standard for e-Cigarettes (GB 41700一2022) on October 1，2022. "Aerosol should contain nicotine" and "aerosol nicotine concentration should not be higher than 20m1/g, total nicotine should not be higher than 200mg". After the implementation of this control policy, the change trend of adult e-cigarette use behavior and related factors need to be studied, in order to provide effective suggestions for adult e-cigarette use, improve the health level of the population and provide a basis for the implementation and revision of relevant policies.
In this study, three groups of different subjects were investigated before the release of e-cigarette Management Measures in October 2021，after the release of e-cigarette Management Measures in May 2022, and after the implementation of e-cigarette Management Measures in February 2023.To understand the changing trends of adult e-cigarette use behavior before and after the release of the new policy on e-cigarette, and to explore the changes of adult e-cigarette use behavior and the related factors of whether adults use e-cigarette. SPSS27 statistical software was used for descriptive statistics, Chi-square test and binary Logistic regression analysis.
Main findings: (1) Current e-cigarette use habits: Adults tend to use domestic, non-tobacco flavored e-cigarettes with 2% and 3% nicotine content. The number of days of use of e-cigarettes in the past 30 days is mainly 1 to 2 days, the first cigarette after waking up is a traditional cigarette, and the time to smoke their first e-cigarette is 16 to 30 minutes after waking up in the morning, preferring to use e-cigarettes in the morning. Use more than 1/4 e-cigarette per day; (2) After the release and implementation of the new policy on e-cigarettes: the proportion of users of tobacco-flavored e-cigarettes increased. Nicotine free, 2% nicotine, 4% nicotine concentration e-cigarette use increased, 3% nicotine and)5% nicotine concentration e-cigarette use decreased; (3) After the release and implementation of the new policy on e-cigarettes, the changes in the use/frequency of e-cigarettes have significant differences among adults with different degrees of dependence. Adults who did not rely on e-cigarettes were more likely to reduce their use than those with other levels of dependence; People with high dependency tend to use more e-cigarettes than other groups. (4) Factors associated with adult e-cigarette use. Research: On the one hand, the change of use behavior was taken as the dependent variable, and it was found that the nicotine concentration and taste control policy changed the previous use behavior. On the other hand, taking whether to smoke e-cigarettes as the dependent variable, the relevant factors are divided into individual factors and environmental factors. The demographic dimension of individual factors, the history of smoking traditional cigarettes, and the cognitive attitude towards e-cigarettes all influence whether adults use e-cigarettes. Cigarette smoking is positively predicting e-cigarette use in adults. Perception of addiction level negatively predicts adult e-cigarette use. Smoking cessation effectiveness of e-cigarettes is positively predictive of adult e-cigarette use. Environmental factors: The number of peers using e-cigarettes positively predicts vaping behavior. Knowledge of the taste of e-cigarettes and nicotine control policies influences vaping behavior.
Conclusions: (1) Before the introduction of the e-cigarette control policy, adults tend to use e-cigarettes with change-type, non-tobacco flavor and 3% nicotine content; (2) After the release of the new policy on e-cigarettes, the use of tobacco-flavored e-cigarettes increased, the use of high-nicotine e-cigarettes decreased, and the use of low-nicotine e-cigarettes increased. Adults who did not rely on e-cigarettes were more likely to reduce their use than those with other levels of dependence, and those with high levels of dependence were more likely to use e-cigarettes than those with other levels. (3) Both individual factors and environmental factors influence whether adults use e-cigarettes or governing nicotine not. Policy factors of environmental factors (that is, policies concentration and taste) are one of the relevant factors for whether people use e-cigarettes or not. Both policies (including both policies) are known to positively predict vaping behavior. |
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